General

Standard ceiling height UK

The Standard Ceiling Height UK and Why It Matters

In the UK, the standard ceiling height for most modern homes is approximately 2.4 metres (8 feet). This floor to ceiling height is considered optimal as it strikes a balance between construction costs, energy efficiency, and creating a comfortable living space. Standardising ceiling heights ensures homes feel spacious yet practical while adhering to national guidelines. This is why plasterboard and other sheet materials come in 2.4metre sizes. Please note after new 2025 legislation, London has a new standard ceiling height set by the mayor, the new minimum celling height for new housing in London is now 2.5metres.

These standard heights will differ in regional locations and older properties, where ceilings often reach up to 3 meters (10 feet) or higher, reflecting historical architectural trends. Understanding these standards helps homeowners, designers, and builders make informed decisions about renovation and construction projects. In this article we will cover topics based around ceiling heights in the UK , building regulations, minimum room above stairs, loft conversions and explain the differences between residential and commercial buildings.

ceiling height

Building Regulations in Minimum Ceiling Heights

There is no building legislation that sets the minimum ceiling height of a habitable room, however, for habitable spaces like living rooms, bedrooms, and kitchens, building regulations suggest a minimum floor to ceiling height of 2.1 meters (6 feet 11 inches). While this is technically permissible, it is far below what most people consider comfortable for a habitable room. According to the UK’s national space standard, at least 75% of the gross internal area should have a minimum floor-to-ceiling height of 2.3 meters.

For bathrooms, utility rooms, and hallways, the average height is often slightly lower due to less frequent use when compared to living areas with more space. Ensuring compliance with your local regulations is vital for planning approvals and creating functional living environments.

Minimum Ceiling Heights Above Stairs

Ceiling height in the UK above stairs is a crucial factor often overlooked. According to UK regulations, the minimum height in terms of headroom above a staircase should be 2 meters (6 feet 6 inches) to ensure safe movement and adequate head height. House designers and architects must also consider sloping ceilings or bulkheads, which can encroach on this space. Failure to meet building regulations could lead to safety hazards and non-compliance with building regs. Find more information on the costs involved with building reg drawings here.

eco-friendly home rainwater gutters

How Ceiling Height Affects Design and Space Perception

Ceiling height significantly impacts the perception of space and interior design. Higher ceilings create an open, airy feel, making smaller rooms appear larger and more luxurious. They also provide flexibility for features like statement lighting, decorative molding, or mezzanine levels in larger spaces.

Conversely, lower ceiling heights can make spaces feel cozy but risk feeling cramped if not designed thoughtfully especially in loft conversions. Incorporating light colours, vertical patterns, and strategic lighting can mitigate the effects of slightly lower ceilings, ensuring the space feels inviting.

Loft Conversion Heights: What You Need to Know

Loft conversions are a fantastic way to maximise space, by adding a guest bed it will increase the value of your house, but ensuring adequate height is critical for comfort and compliance in loft conversions and all other rooms. According to UK Building Regulations, the minimum standard ceiling height when were looking at headroom for a loft conversion is 2.2 meters (7 feet 2 inches) at its highest point. This measurement is taken from the existing floor to the ridge beam before any work begins.

However, after insulation and flooring are added, the usable height will decrease slightly, so careful planning is essential. For pitched roofs, the central section of the room should meet or exceed the average height requirement of 2.2-metres in UK homes, while sloping areas can be creatively utilised for storage or seating.

If your loft space falls short of this height, there are still options. Lowering the ceiling of the room below or raising the roof (subject to planning permission) are potential solutions, although they may involve additional costs and structural considerations. Proper planning and expert advice are key to ensuring your loft conversion is both practical and comfortable.

 

eco-friendly home rainwater gutters

Our Approach to Ceiling Height

At Lilly Lewarne architects, we believe ceiling height is more than just a measurement, it’s a fundamental part of a home’s design and functionality. Our design philosophy focuses on creating spaces that are tailored to your lifestyle and aesthetic preferences while adhering to building regulations. Whether working with minimum ceiling heights because of existing ceiling joists or customising a new design to achieve a unique vision, we approach each project with creativity and attention to detail. Get in touch to discuss your next project.

For renovations or new builds, we carefully assess how height interacts with natural light, ventilation, and floor area proportions to deliver an optimal design for your building type.

Why Would You Raise Ceiling Heights Higher?

Raising ceiling heights above set minimum heights is a popular choice for those seeking a touch of grandeur or to enhance natural light flow. Taller ceilings provide opportunities for large windows, which can flood a room with sunlight, reducing the need for artificial lighting. High ceilings also allow for creative interior elements like exposed beams, feature walls, or hanging plants.

High ceilings are particularly beneficial in smaller homes or apartments, as they create an illusion of extra space, making the property feel larger and more open. While raising average ceiling heights above 2.4 metres may involve higher construction costs, the aesthetic and functional benefits often outweigh the investment. Remember that when raising the ceilings the rooms energy efficiency may be compromised with larger heating and cooling costs.

smart technology

Ceiling Heights For Residential and Commercial Spaces

Standard ceiling heights for residential properties are typically around 8 feet (2.4 meters),In contrast, commercial spaces often feature taller ceilings, usually ranging between 10 and 12 feet (3 to 3.6 meters) to accommodate different business needs. Retail spaces and industrial buildings, in particular, tend to have the highest average ceiling heights to support larger equipment, better air circulation and ventilation, plus a more aesthetic appeal. Retail stores with good ceiling heights will have advanced heating solutions to keep up with its functional requirements and energy efficiency.

Conclusion

The 2.4 metre standard ceiling height UK plays a pivotal role in house design, affecting everything from compliance with regulations to the overall ambiance of a space. Whether sticking to standard heights or opting for something more bespoke to keep historical perspective, understanding the implications and possibilities of room height can transform your living spaces into something extraordinary, giving a comfortable sense of space. At Lilly Lewarne, we’re here to guide you every step of the way from planning permission to choosing an optimal ceiling height for your house, ensuring your new home reflects your style, has a spacious feel and meets legal requirements.

2025-07-03T11:18:02+00:00January 26th, 2025|Categories: General|

How much does an orangery cost?

How much does an orangery cost?

Orangeries are often associated with luxury and grandeur, but are they a worthwhile investment for your home? In this blog, we’ll explore how much an orangery costs, from materials and labour to planning permission and design. We’ll give you an idea of the potential return on investment and how an they can add value to your property. Whether you’re considering an orangery for its aesthetic appeal, to add extra space for a growing family or its purely to increase your home’s resale value, this blog will provide you with the information you need to make an informed decision and start planning your new orangery.

What is an orangery?

An orangery is a type of home extension that blends the characteristics of a conservatory and a traditional extension. Originating in the 17th century as a space to grow citrus trees, hence the name! They were a symbol of wealth and prestige, in modern times these extensions have evolved into stylish and versatile way to add space and value to your home. Typically orangery extensions feature large windows, brick or stone pillars, and a fully or partially glazed roof, offering a balance between natural light and structural solidity.

eco-friendly home

How much does an orangery cost?

Orangery costs can vary widely depending on its size, materials, and complexity of design. As a guide, an orangery costs between £1,500 and £2,500 per square metre (m2) the cost of an average orangery around 15m2-20m2 is between £20,000 and £35,000, with larger or more elaborate designs with sizes over 35m2 you can expect to pay £65,000 and beyond. Custom features, high-quality products, roof lanterns and additional fittings can further increase the overall orangery cost. Keep in mind that as the size of your extension increases, labour costs and the need for more materials will escalate the overall price rapidly.

Orangery costs explained

The cost of an orangery extension is influenced by several key factors, starting with its size. Larger extensions naturally require more resources and labour, driving up the overall expense. The choice of materials also plays a crucial role, uPVC orangeries are typically the most budget-friendly option, whereas aluminum and hardwood timber frame options are more premium choices. Bespoke designs with intricate features, such as custom glazing or elaborate roofing details, can and will add to the project price. Site-specific conditions, like the need for extensive groundwork or tricky access, usually increase costs as well. Don’t overlook ongoing expenses either; high-quality insulation and energy-efficient glazing may require a higher upfront investment but can save money in heating and cooling in the long run.

You’ll also need to think about plumbing and electrics for the type of room you need, for example large kitchens will need more amenities than a small sized home office. To get an accurate estimate, it’s best to obtain quotes from multiple contractors and weigh up your options carefully.

eco-friendly home rainwater gutters

What are orangery rooms suitable for?

Even small orangeries are incredibly versatile and can be used for a variety of purposes. They often serve less as garden rooms but are more suited to modern dining rooms, living spaces, home offices, or even kitchens. Their design allows for plenty of natural all day light, making them ideal for spaces where you want to enjoy a connection to the outdoors while remaining comfortable indoors.

 

Different types of orangery design

Orangeries come in several styles to suit different tastes and home designs, the main 3 types are:

  • Traditional : These feature classic designs with exposed brick pillars, ornate detailing, and timber frames.
  • Contemporary : Sleek and modern, they often incorporate minimalist aluminum frames , flat roofs and large expanses of glass.
  • Bespoke : Custom-designed to your specifications, these can include unique shapes, layouts, and premium materials.

 

Is an orangery cheaper than an extension or conservatory?

Orangeries typically fall in the middle of the cost spectrum between conservatories and traditional extensions of the same size. While conservatories are often cheaper due to their lighter structures and higher use of uPVC, standard extensions can be more expensive as they require more brickwork and insulation. Orangeries provide a balance, offering a more solid structure than a conservatory but at a slightly lower cost than a full extension.

eco-friendly home rainwater gutters

Do you need building regulations or planning permission for an orangery?

In most cases, you won’t need planning permission for an orangery, as they often fall under permitted development rights. However, there are exceptions, where you will need planning permission such as:

  • If the orangery design exceeds 50% of the land surrounding your home.
  • If it’s higher than 4 meters or extends more than 6 meters from the rear wall (for detached houses).
  • If the top point of the extension roof extends higher than your houses roof
  • If your home is in a conservation area or is a listed building.

It’s always crucial to check with your local planning authority before your start designing and definitely before you start any construction work.

 

How much value can an orangery extension add to your home?

An orangery can significantly increase the value of your home, making it a worthwhile investment beyond its aesthetic appeal. In the UK, a well-designed orangery can add anywhere from 5% to 20% to your property’s price. For example, a £500,000 house could see an average cost uplift of £25,000 to £100,000 with a high-quality finish. This increase is driven by several factors, mainly because it creates additional living space, often extending the usable area of your home such as bedrooms, which is highly sought-after by buyers. It enhances the property’s curb appeal and overall desirability, making it stand out in the market.

smart technology

How long does it take to build an orangery?

The construction of an orangery extension typically takes between 4 to 6 weeks, depending on the project size and complexity of course. This timeline includes site preparation, foundation trench footings, and building the structure itself. If bespoke features or additional elements are included, the building work timeline will extend further.

Construction time for an orangery roof also varies depending on the type (flat, pitched, lantern) and complexity of the design. Generally, flat roofs take the shortest time (2-3 days), followed by pitched roofs (4-7 days), and lantern roofs (expect 5-8 days).

 

How can you make an orangery more affordable?

If you’re looking to make your orangery more cost effective, consider the following tips to lower the overall cost:

Choose simpler designs: Opting for a straightforward design can save on supplies and more labour costs, this can have a significant impact on the time to complete finishing touches and therefore the final cost. An experienced architect can help with this.

Use cost-effective materials: uPVC door frames and standard windows are more affordable than wood or triple glazing.

Limit customisation: While features like bespoke roof lanterns, custom made hardwood windows, add charm, they will also heavily increase your orangery budget.

Plan for efficiency: Proper organisation and coordination with contractors can help avoid delays and extra expenses that you should factor into the final orangery cost. Time is money after al!

Compare quotes: Get multiple quotes from reputable builders to ensure you’re getting the best quality of finish for your money.

By balancing quality with cost-saving measures, you can create an orangery that enhances your home without exceeding your budget. Remember to check your chosen contractors previous experience to avoid poor quality workmanship and have a detailed understanding of what is included in the quoted cost.

smart technology

FAQ

Can I use an orangery all year round? Yes, with proper insulation and heating, your new orangery can be used throughout the year, regardless of the season.

What is the difference between an orangery and a conservatory? The primary difference lies in the structure: orangeries typically have more brickwork, timber frame and a partially or fully glazed roof, making them feel more like a permanent extension, whereas conservatories are predominantly glass structures.

Will an orangery add value to my home? Yes, adding an extension such as wrap around or an orangery can increase the equity in your home’s by providing additional living space and enhancing its overall aesthetic appeal. This will usually outweigh the initial orangery cost.

Can I build it myself? While DIY kits can help reduce the initial cost of an orangery extension, it may be a better idea to engage professional builders and architects for your project. This ensures structural integrity and guarantees compliance with building regulations, ultimately minimising potential risks and costly repairs in the long run.

Are orangeries energy-efficient? Modern orangeries can be highly energy-efficient if constructed with insulated materials, underfloor heating, double or triple glazing, and great air tightness.

What orangery roof design options are there? A popular choice is roof lanterns, which bring an elegant, classic touch to the new room by allowing ample natural light to flood in. Many homeowners opt for a sleek and contemporary look, a flat roof design is another excellent option, often complemented by skylights or integrated lighting to create a bright and modern aesthetic.

Do orangeries need roof vents? Yes, orangeries need roof vents. They are essential for maintaining a comfortable and healthy environment. Vents help with air circulation and reduce moisture buildup, which can cause mould and structural damage.

 

Head back to our blog homepage for more architecture articles or contact us to discuss design plans for your orangery extension project!

2025-04-02T10:23:10+00:00January 25th, 2025|Categories: General|

Understanding the building regulations 10-year rule

Understanding The Building Regulations 10 Year Rule: What You Need to Know

Starting from April 25, 2024, the building regulations 10-year rule allows unauthorised changes to buildings without needing retrospective planning permission if they’ve been there for a decade (10 years). This change from the previous 4-year rule affects how property developers handle planning and compliance. Dive into this article to understand the 10-year rule, some highlights include how it impacts your developments, the time limits on enforcement notices and common misconceptions about the 10-year rule.

Building Regulations 10 Year Rule explained

The 10-year rule in building regulations is a significant shift that allows unauthorised changes to avoid the need for retrospective planning permission if they have been in place for at least a decade.

Grasping the implications of the 10-year rule is vital for anyone in property development. It affects the perception of unauthorised changes and shapes long-term planning and compliance strategies. Staying in touch with local authorities and keeping abreast of these regulatory updates can help mitigate risks and ensure ongoing compliance.

What is retrospective planning?

Retrospective planning permission allows you to obtain approval for work already completed on a property without having obtained prior consent from the local planning authority. Get in touch with a local architect to find out more about retrospective planning for your property.

 

eco-friendly home

What is a Breach of Building Control?

A breach of building control occurs when unauthorised development that requires planning permission is undertaken without approval. These breaches can involve violations of national and local planning rules, triggering enforcement actions from the local planning authority. For instance, construction that deviates from approved plans or unauthorised use of a property can both constitute a breach.

When a breach is identified, an Enforcement Notice is issued, typically giving 28 days to appeal or address the breaches, the notice outlines the necessary remedial actions to address the violation. Failure to appeal an enforcement notice means compliance with its demands is mandatory, which may involve drastic measures such as demolishing unauthorised structures. Compliance with these notices is crucial to prevent severe repercussions, including criminal prosecution and potential unlimited fines.

The enforcement period for different types of breaches varies. For unauthorised construction works, the enforcement period is generally four years, while other planning control breaches typically fall under a ten-year timeframe. Properties classified under Use Class C3, which includes single dwelling houses, have a four-year enforcement period for changes, highlighting the importance of understanding specific regulations that apply to different property types.

Time Limits for Enforcement Action

Local authorities have the power to enforce against breaches of building regulations within certain timeframes, governed primarily by the building regulations 10-year rule. Planning enforcement actions typically commence when unauthorised developments lack the necessary planning permissions. However, actions can extend beyond these limits if breaches have been deliberately concealed or obtained under false pretenses, in accordance with local council regulations.

A common misconception is that enforcement actions cannot be taken after 12 months. In reality, planning authorities can initiate actions at any time, particularly in cases of concealment or through high court injunctions. Understanding this helps property owners and developers prepare for potential legal proceedings and ensure compliance with prescribed timeframes.

Formal enforcement action can lead to serious consequences, including unlimited fines for non-compliance. Following the ten-year rules and understanding the time limits for enforcement action is crucial for maintaining legal compliance and avoiding costly penalties.

eco-friendly home rainwater gutters

How to Prove Continuous Use or Development

To claim immunity from enforcement action under the 10-year rule, proving continuous use or development is essential. This can be achieved through various forms of evidence, including tenancy agreements, utility bills, and electoral roll documents, which collectively demonstrate that the use or development has been ongoing without interruption for the required period.

For non-residential properties, alternative evidence like satellite imagery can help to substantiate claims of long-term usage. Presenting strong and convincing evidence is crucial for adhering to operational development rules and avoiding a enforcement notice. Operational development rules are guidelines that regulate activities such as construction, engineering, and land excavation. These rules ensure that all work is carried out legally and with due regard for environmental impacts.

 

Applying for a Lawful Development Certificate

A Lawful Development Certificate (LDC) serves as a legal document confirming the lawfulness of a change of use or development that has not already faced an enforcement notice. This certificate is crucial for providing legal assurance against future enforcement notices.

To apply for an LDC, the site owner must provide substantial evidence demonstrating that the development has been lawful for the required period. Along with the supporting evidence mentioned above, a Detailed Design and Access Statement can also support the application by proving continuous use. Clear and convincing evidence may negate the need for independent verification.

If a Certificate of Lawfulness application is refused, the site owner can reapply with additional evidence or appeal the decision, working with a planning consultant may be a good idea when reapplying. Requesting a postponement of enforcement action while the application is under review is also advisable. Notably, neighbors cannot formally object to an Lawful Development Certificate application, which can be beneficial for contentious developments.

When can I apply for a Lawful Development Certificate?

You can apply for a Certificate of Lawful Development if there has been a change of use or breach of planning rules without enforcement action from the local authority.

The eligibility to apply for an LDC arises after a 10-year period for breaches occurring on or after 25 April 2024, or a 4-year period for breaches that occurred before this date. The duration required to demonstrate lawful use varies, with a four-year enforcement period for changes to a single dwelling house and a ten-year period for other breaches of planning control.

smart technology

Retrospective Planning Permission vs. Lawful Development Certificate

Retrospective planning permission and a Lawful Development Certificate (LDC) are two separate approaches to legalising completed building developments without prior consent.

Retrospective planning applications are required when a development or construction work has been carried out without prior approval from the local planning authority. It seeks to legitimise the work by obtaining formal permission after completion.

Lawful Development Certificates on the other hand, do not grant permission to the proposed development but instead provides legal confirmation that an existing use, operation, or building is lawful and immune from enforcement action. While retrospective planning applications focuses on securing approval for developments without planning consent, an LDC is often used to confirm lawfulness under permitted development rights or the 4-year and 10-year rules. Choosing the correct approach depends on the nature and circumstances of the development.

Common Misconceptions About the 10 Year Rule

There are several common misconceptions about the ten year rule.

  • A major misunderstanding is that the rule prevents enforcement actions in all cases. In reality, enforcement can still occur, especially in cases of deliberate concealment or false pretenses.
  • Another misconception is that the 10-year rule applies universally within the UK. However, it does not affect developments in Wales, which follow different regulations.
  • If a previous stage of development is deemed unlawful, it can reset the 10-year rule’s time limit.

Understanding these nuances helps property owners and developers navigate the complexities of regulations more effectively, your planning consultants can help explain these misconceptions in more detail.

smart eco home appliances

Strategic Planning Solutions for Long-Term Compliance

Strategic planning solutions are essential for ensuring long-term compliance with planning conditions and regulations. Obtaining a Certificate of Lawfulness can offer legal assurance against future enforcement actions regarding the development.

Consulting with planing specialists is essential for navigating changes in planning legislation effectively. We are experienced planning consultants who can help you stay informed and proactive in understanding planning requirements, which can prevent breaches and ensure ongoing compliance, get in touch to discuss planning compliance on your development.

 

Conclusion

Understanding the building regulations 10-year rule and its implications is crucial for property owners and developers. This rule provides a framework for legalising developments without prior permission, helping avoid potential legal pitfalls and ensuring compliance with building regulations. By proving continuous use, applying for Lawful Development Certificates, and understanding enforcement actions and appeals, you can navigate the complexities of building regulations more effectively.

In conclusion, staying informed and proactive in understanding planning requirements is key to maintaining compliance. Engage with local authorities, seek professional advice, and leverage strategic planning strategies to ensure your developments remain compliant over the long term. Head back to our blog homepage for more architecture articles!

2025-07-03T11:15:37+00:00January 24th, 2025|Categories: General|

PCC Certificates vs Structural Warranties

PCC Certificates vs Structural Warranties

The construction industry often involves different levels of insurances, certificates and protections for all parties involved especially those undertaking self builds. Two important documents that arise in this space are Professional Consultants Certificate (PCC) and Structural Warranties. While both aim to provide assurance, they serve different purposes and cater to different needs before and after the construction process. In this blog, we’ll explain the key differences of PCC certificates vs structural warranties, including do mortgage lenders require them, can they be attained retrospectively, what they cover and when they should be obtained. We’ll also discuss who typically requires these certificates, the costs involved, and other essential FAQs, such as whether it’s possible to secure a mortgage without them. By the end, you’ll have a clear understanding of these documents and how they might apply to your project.

What is a Professional Consultant Certificate (PCC)?

A Professional Consultants Certificate (PCC) also known as a ‘architects certificate’ is an essential verification tool in the construction industry. It is issued by a qualified professional, such as a surveyor or architect, who inspects the construction work to confirm it meets the required standards and regulations. These architects certificates ensure legal liability, backed by professional indemnity insurance.

What is covered by a professional consultants certificate

This certificate covers various aspects, including building safety, compliance with local regulations, and adherence to design specifications. Obtaining a PCC is usually essential not only for regulatory purposes but also for ensuring that buyers and financial institutions feel confident in the quality and safety of the newly converted residential property. They may also be need if you intend to rent your property with a buy-to-let mortgage.

Typically, a PCC certificate can cover a 6 year period or a 10 year period, although you may not have a choice here as what coverage you need depends on your requirements for selling the property or possibly what’s required by the bank before a lender accepts the application to finance the building.

 

What is a Structural Warranty?

A structural warranty is an insurance policy that protects against structural defects in a building after construction is completed, usually for 10 years. This warranty will cover key structural elements like foundations, walls, roofs, floors, and load-bearing components, ensuring the stability and integrity of the property.

What is covered by a structural warranty?

Coverage is often divided into two phases: the first two years cover defects from poor workmanship or materials, while years 3–10 focus on structural issues.

A structural warranty is essential for self-builders, developers, and homebuyers, as it provides reassurance about the quality and durability of a property. Many mortgage lenders require a structural certificate for financing new builds or conversions. It also offers buyers confidence in their investment by safeguarding against unexpected repair costs for major defects.

Costs for a 10-year warranty vary based on project size, type, and provider. We go over the actual costs in more details below but unfortunately you won’t be looking at just a few hundred pounds here. Ultimately, it acts as a vital safety net, ensuring peace of mind for all parties involved in the property’s construction or purchase. Be sure to read the structural policy small print before signing any contracts.

 

eco-friendly home

 

Who needs Professional Consultants Certificates and Structural Warranties?

Professional consultants certificates and structural warranties are not merely optional enhancements but often necessities in the construction industry. Homeowners looking to build or purchase new properties should be aware of these documents and understand their value. Having PCC certificates assures buyers that the construction was done according to established guidelines, while a structural warranty protects them from future risks.

Builders, developers and contractors also require these certifications as they illustrate compliance with local building regulations and industry standards. Banks may also require them as they can be essential for securing financing or insurance, lenders often want to see such protections in place before approving a mortgage, they will also need to see the certificates ave been issued by a qualified consultant on the ‘architects registration board’.

 

eco-friendly home spray insulation

The role of Structural Warranties in construction projects

Structural warranties play a crucial role throughout various stages of construction projects. Initially, they can influence the design phase by encouraging builders to adhere to high construction standards.

During ongoing construction, the presence of a warranty can help ensure that all work is done correctly, as builders will want to avoid potential claims related to structural failures. Finally, when the project wraps up, having a structural certificate in place not only reassures homeowners but also can be a key selling feature should the owner choose to sell the property at some point in the future.

 

eco-friendly home rainwater gutters

 

Which is better PCC or Structural Warranty?

The debate over whether a Professional Consultants Certificate (architects certificate) or a structural warranty is better is subjective and largely dependent on the specific needs and circumstances of the project. For any newly converted property a PCC provides assurance regarding the adherence to construction standards during the build, while a structural warranty offers protection against future structural failures.

For homeowners, ideally having both offers the most comprehensive protection and peace of mind. If forced to choose, those concerned about potential future issues may favour a structural warranty, while those focused on the immediate assurance of construction quality may lean towards acquiring a PCC, remember a lender may require either or both documents for financing.

 

eco-friendly home solar panels

How much do Professional Consultants Certificates (PCC) and Structural Warranties cost?

Ok we won’t sugar coat this, they can cost thousands of pounds, as a example a 6 year PCC certificate can cost around £900, 10 year PCC certificates can cost around £1800 and a 10 year structural warranty can be anywhere between £2000 and £4000! Please bear in mind the costs associated with Professional Consultants Certificates and structural warranties can vary considerably depending on several factors, including the size of the project, location, and the professionals or companies involved.

In general a PCC may cost anywhere from a few hundred to thousands of pounds, as mentioned structural warranties can range broadly as well, however, these warranties are often structured as a percentage of the total construction costs. Homeowners can expect to pay anywhere from 0.5% to 1% of the total construction cost for a warranty. It’s crucial for both homeowners and builders to shop around and compare quotes to ensure they receive the best coverage at a reasonable price. Find out more about warranty costs here.

smart technology

Can you get a retrospective PCC or Structural Warranty?

The good news is yes! In most cases you can retrospectively acquire both PCC architects certificates and structural warranties after building completion, the bad news is you can expect to pay double the prices quoted above, for a large complex build expect quotes upwards of £5000 for structural warranties! Retrospective acquisition of a professional consultants certificate or structural warranty is typically more complicated than obtaining them prior to or during construction. For a PCC, a qualified professional may need to review the completed structure to ensure it meets current standards, which may have changed since the original construction, they check the structure and complete a post completion inspection.

In terms of a structural warranty, some providers allow homeowners to purchase coverage even after completion, but this often comes with higher premiums and additional prerequisites. The insurance company will conduct a thorough inspection of the property to assess any existing issues before granting warranty coverage.

glazing inside eco property

Do mortgage lenders release funds without a Structural Warranty or Professional Consultants Certificate?

In short yes you can get a mortgage without either however, obtaining a mortgage without a Professional Consultants Certificate or structural warranty can and probably will be challenging. Most mainstream residential mortgage lenders prefer or even require these documents to ensure they are making a sound investment, you or your mortgage advisor should contact the lenders direct to discuss the application.

Without PCC certificates, uk finance mortgage lenders may be wary of potential issues arising from the construction process.

Similarly, the absence of a structural warranty may discourage lenders since it signifies a lack of protection against future structural failures. However, it is not impossible. Some lenders accept specific circumstances and might still offer financing, but the terms and interest rates may be less favourable. In many cases, potential homeowners may find it significantly advantageous to obtain these documents before seeking a mortgage as it is likely to slow the mortgage application process and limit financing options. To summarise having these protections can significantly simplify the mortgage process, as mortgage lenders get more selective with who they lend to these documents offer a bit more peace of mind for banks or building societies.

 

smart eco home appliances

For more information and to start a quote for Professional consultants certificates and structural warranties head to Architects Warranties or Build Warranty websites to get started.

Feel free to contact us with any questions or head back to our blog home page for more articles on architecture and design tips!

 

2025-07-03T11:20:06+00:00December 29th, 2024|Categories: General|

7 Efficient ways to build an eco-friendly home

Building an eco-frienldy home

Building an eco-friendly home isn’t just a trend; it’s a meaningful commitment to reducing environmental impact, conserving resources, and creating a healthier living space. Here are seven practical, impactful ways to make your home sustainable and energy-efficient from the ground up.

Choose eco-friendly building materials

Choosing materials that are environmentally friendly can be tricky, however it is essential for building a sustainable home. Items such as salvaged timber, bamboo, and recycled metal are not just long-lasting but also help decrease the need for newly sourced materials. Choosing paints, adhesives, and coatings with low levels of volatile organic compounds (VOCs) also guarantees better air quality inside the house, making it a safer place to reside.

What are VOCs? are chemicals found in products like paints and adhesives that release harmful gases. They contribute to indoor air pollution and can cause health issues such as headaches or respiratory irritation.

 

 

eco-friendly home

Construction methods

Using appropriate materials is important but they must be matched with sustainable construction methods, this is essential for building an eco-friendly home. A leading approach to building eco homes is the Passive House standard, which originated in Germany and aims to achieve extremely low energy consumption through advanced insulation, airtight building envelopes, and systems for recovering heat.  Building a passive house requires careful planning and accurate construction to ensure the structure is airtight, avoids heat loss through building materials (thermal bridging), and has natural airflow. These homes are designed and built with high energy efficiency in mind from the ground up.

eco-friendly home spray insulation

Rainwater harvesting

Rainwater collection systems gather and keep rainwater from your roof, which can serve various purposes such as watering plants, flushing toilets, or even purifying it for consumption in certain configurations. These systems offer an effective method for saving water, decreasing water runoff, and decreasing dependence on local water supplies. They are particularly beneficial in regions susceptible to drought or where saving water is a top concern.

eco-friendly home rainwater gutters

Solar panels

Installing solar panels is one of the most efficient methods to turn a house into an eco-friendly home. Even though the upfront costs are high, however with financial support from the government and the considerable energy savings over the years this can validate the initial investment in solar panels. They enable you to capture energy from renewable sources, greatly diminishing or completely removing your reliance on non-renewable fossil fuels. Speak to a local renewable energy company to look at your options and a system that will work for your property and household  needs.

eco-friendly home solar panels

Smart home systems

No eco-friendly home would be complete without a smart home system lets you keep an eye on and manage how much energy you use. With smart thermostats, lights, and gadgets, you can set up automatic ways to save energy by timing when you heat or cool your home and when your lights turn on and off. For example, a smart thermostat can cut down on energy when you’re not home, cutting out waste. To learn more about how to enhance your home’s energy efficiency, check out our blog post on integrating smart technology.

smart technology

Glazing

Using high-quality super-efficient glazing is key to making your home eco-friendly. Did you know that 18% of heat loss occurs through windows! Modern glazing technology used in windows and doors has extra glass layers built in, often filled with gasses like argon or krypton, to keep the heat in and make your home warmer. These glazing options not only make living areas more comfortable by keeping the temperature steady, home owners will also use less energy for heating and cooling, which means  a drop in energy bills.

glazing inside eco property

Appliances

These days most modern gadgets use less electricity, which means you’re doing your part for the environment and saving money on your power bills. Keep an eye out for the Energy Star sticker on fridges, washing machines, and dishwashers, showing they’re good for the planet and will keep your energy bills down. Make sure your home appliances are using modern LED lights; they use around 75% less power than old-school bulbs and last 25 times longer.

smart eco home appliances

Conclusion

Building a modern eco-friendly home lets you have a cosy and efficient place to live. Choosing materials that are good for the planet, making your home use less energy, saving water, and using the latest technology can help you build a house that’s good for the earth and your wallet. Whether you’re starting from scratch or just making some changes to an existing home, using these tips will help you do your part for the environment while also enjoying the perks of a more efficient and trendy living area. Check out our other articles for more building and design tips.

2025-04-09T12:44:52+00:00November 4th, 2024|Categories: General|

Class Q Conversions: Transforming Agricultural Buildings

Class Q conversion: From agricultural to residential

In recent years, there has been a significant increase in the demand for unique and characterful homes, prompting many to seek innovative ways to repurpose existing structures. A popular approach, especially in rural areas, involves the conversion of agricultural buildings to residential use. This method is referred to as a Class Q conversion, a permitted development right in the UK that permits certain agricultural buildings, like barns, to be transformed into residential properties without the necessity for a comprehensive planning application. The process can be complicated so it’s important to understand the class Q barn conversion rules and regulations, this blog will cover what a class Q conversion is, FAQ’s, legislation the approval process and more!

What is a class Q conversion?

Class Q facilitates the transformation of buildings located on or adjacent to agricultural units, such as farms, into residential properties without the requirement to seek planning permission. It is outlined in the General Permitted Development Order (GPDO) which encompasses the alteration of a building’s use or any land within its boundary, including the necessary operations for the conversion of the building, to Use Class C3 (dwelling houses). Although full planning permission is not required you do have to submit an application to your local planning authority to outline the proposed development with all class Q criteria being met.

FAQ’s

What is the 10-year rule for Class Q?

If your barn was constructed under permitted development rights, you must wait 10 years before starting a Class Q barn conversion. For barns or agricultural buildings erected on or after July 24, 2023, they must remain on the established agricultural unit for at least 10 years before being eligible for conversion.

 

How long does class Q approval last?

Class Q approval remains valid for three years. Once a Class Q prior notification application is approved, you have three years to complete the conversion. This differs from full planning permission, which typically imposes a deadline to begin the development rather than to finish it.

 

What is class Q in a conservation area?

Class Q conversions are not permitted on land which includes designated areas such as Conservation Areas, Areas of Outstanding Natural Beauty (AONB), The Broads, National Parks, and World Heritage Sites. Additionally, the building must not be located on a Site of Special Scientific Interest.

 

smart architectural plans

Recent updates for Class Q legislation

It’s important to note that class Q permitted development was updated on April 30, 2024, with the new regulations taking effect on May 21, 2024. Applications submitted on or after this date will need to comply with the updated rules detailed on this page. Key updates include an increase in the maximum number of new dwellings from five to ten. The allowable space for conversion has also expanded to 1,000 square meters. However, the maximum size for each dwelling has been reduced to 150 square meters. As a result, to create ten new dwellings under Class Q, each unit must now be 100 square meters.

Please note Class Q permitted development is not permitted for the following:

  • Listed buildings
  • Sites of scientific interest
  • Article 2(3) land (AONB)
  • World heritage sites

There are restrictions with converting agricultural buildings under the class Q scheme, such as the use of the building for purposes other than residential living is not permitted, and extending the footprint of a building is also not allowed under class Q conversions. Other conditions may apply, seek guidance from your local planning authorities.

Is your barn suitable for residential conversion?

Class Q conversion rules state that the agricultural building needs to be structurally strong enough to convert. It only allows changes to the building itself and doesn’t let you do any major structural construction work. Because of this, it is recommended that Class Q applications have a full structural survey done often called a ‘structural appraisal’. What you need for this survey can differ depending on the local planning authority—some might want detailed structural calculations, while others might just need an assessment from a qualified expert like a chartered structural engineer.

smart speaker

Class Q Approval Process

Even though Class Q conversions are allowed under permitted development, they still need to get “pre-approval” from the local planning authority. These class Q conversion steps make sure that the planned conversion satisfies the required standards and tackles any possible issues like:

Impact on Traffic and Roads – The effect of the conversion on local traffic and road access needs to be evaluated.

Risk of Flooding – The property should not be in an area at high risk of flooding unless there are adequate flood prevention measures.

Design and Look  – Although not needing complete planning permission, the design and the look of the converted building must be suitable for its new use as a residential dwelling.

Noise & contamination Concerns  – The possible noise disturbance to future occupants from nearby farming or other activities. The property and its land must also be free from contaminants that could be harmful to the residents.

 

architects design plans on desk with laptop

Benefits of class Q conversions

Class Q conversions offer a path to achieving your dream countryside home by allowing you to transform agricultural buildings into unique, charming residences with fewer planning hurdles. This process not only provides design flexibility and character but also supports sustainable living, here are some other benefits of these conversions:

Preservation of Heritage – Converting agricultural buildings often helps preserve the rural character and history of an area, as these structures are typically rich in character and heritage.

Cost-Effective – Class Q barn conversions can be a more cost-effective alternative to new builds, as the basic structure already exists. (This isn’t always the case)

Simplified Planning Process – The permitted development rights under Class Q conversions streamline the planning process, saving time and reducing the complexity associated with obtaining full planning permission.

Sustainable Development – Reusing existing buildings is an eco-friendly option, reducing the need for new materials and minimising the environmental impact.

smart thermostat controlling temperature

Conclusion

Converting Class Q buildings can result in distinctive and charming homes with original features that are difficult to achieve in new builds, but it also comes with its challenges. Modifying agricultural structures to comply with residential requirements could require significant changes to the building’s structure and design. Extensive research and planning along with getting advice from qualified class Q architects and contractors who follow local building regulations is essential to ensure the converted residence is safe and suitable for living.

 

agricultural barn in fields

2024-12-23T09:01:45+00:00August 19th, 2024|Categories: General|

Increase space & comfort for your family by building an extension

Building an extension for a family home

Are you considering extending your family home? Things may have become a little cramped since you’ve welcomed your children into the world, but this doesn’t mean you need to drop everything sell up and move to a new house.

In this post, we’ll help you navigate the types of home extensions suitable for growing families and the considerations tied to this. Let’s get right to it!

Types of home extensions

The first step is to select the right type. There are a few options that may work for you depending on your current house, each of these offers benefits and drawbacks. Some common extension types include:

Dormer extensions: Add rooms by building vertically in unused loft or roof space, perfect if you want more rooms without sacrificing garden space.

Rear extensions: Built from the back of the house, ideal for those with a large garden space.

Side extensions: Built from the side of the house, a good solution if you have unused land next to the house.

Wrap-around extensions: Combine side and rear extensions, perfect for developing open-plan living areas and large kitchens.

Orangery extensions: Add a touch of luxury and timeless elegance to your home. Featuring a mix of brickwork and glass with large windows and a roof lantern or flat roof. Find out how much an orangery costs here.

smart architectural plans

Do you need planning permission?

Before starting any extension project, getting your head around planning permission and permitted development rights is vital. Checking with your local planning authority when building an extension to ensure compliance with regulations can help you avoid unwanted, costly legal issues in the long run.

Planning permission is typically required for larger extensions that considerably modify the house’s appearance. In this process, you must submit comprehensive plans to your local planning authority, which can take a few weeks to get approved.

Permitted development rights enable smaller projects to go ahead without formal approval. The extension must meet the criteria concerning height, size, and other factors, so do your homework first!

Please note: Building regulations apply to most building work so make sure to check the most up to date regulations for your build. Have you checked ceiling heights fall within regulations? check standard ceiling heights here.

Find out if you need planning permission for your extension in Cornwall here.

smart speaker

Who will project manage the build?

When picking your project manager, if you are thinking of self managing, always keep your availability, budget, and confidence in managing construction work in mind. Here are some options for project managers with pro and cons:

Owners

For example, taking on the role of project manager yourself can save you a lot of money while giving you complete control over the process. Despite this, being the manager demands expertise in managing these types of projects as well as a large chunk of your time.

Architects

You can be confident that an architect can manage the project with a high level of expertise. They can undergo detailed planning and coordinate with builders to ensure a high-quality income. However, this can be more expensive, so this option may only suit larger projects.

Contractors

General contractors oversee entire builds, coordinate trades, and ensure projects stay on schedule. This option offers a fantastic balance between cost and convenience. Finding an experienced and dependable contractor is crucial, its a good idea to ask around for recommendations.

home extension contractor

Building an extension: Costs

Ah, the part you’ve been waiting for, the costs! Unfortunately, we can’t pinpoint the exact price of building an extension. After all, this can vary depending on the extension’s size, type and level of finishing, meaning you could be paying from £1,200 per m2 for a standard build to £3,000+ per m2 for a high-end extension.

A large portion of the costs end in the finishing of kitchens & bathrooms, keeping tiled areas to a minimum as well as plumbing and electrics you can keep costs down.

The best way to figure out how much you could be paying for a home extension is to research online for exactly what you would like and then contact local architects and contractors to start pricing up your home extension.

smart thermostat controlling temperature

How much value will an extension add to my home?

While home extensions can be costly for the initial build, they can often add considerable value to your property when finished.

You can expect to increase your house’s value by 5% to 20%, depending on the quality and type of the extension. Just be mindful of your local property market conditions, you wouldn’t want to invest too much money into a property that can not give a return on investment due to its location or street value. (Also known as a street ceiling price)

We recommend getting in touch with a local estate agent who will be able to give you a more accurate estimate.

 

value added from extending home

Concluding on home extensions for growing families

Taking on a home extension project can be a fantastic solution for growing families, but this doesn’t come without careful planning and budgeting. By following the right steps, you can boost your living space and property value, making your home one that’s truly designed for your family.

If you have any queries about home extensions, planning or building regulations contact us for further details.

2025-06-04T13:33:57+00:00July 15th, 2024|Categories: General|

Luxury Living: How to build your dream home

Building your dream home

Fancy building your dream home? While you may already have a vision for what you want your dream home to look like, bringing it to life could be easier said than done. In this post, we’ll walk you through how to build your dream home, inspiring you to think big and point out the considerations you must address in this creative journey. Let’s jump right in!

 

smart techonology

Plan your vision

You may have already had that lightbulb moment and know exactly what you want. If you haven’t, consider the type of lifestyle you want to adopt and try to transform that into tangible ideas for your living space. Think about various features like smart technology that could affect the final design, from family needs to personal tastes. How much parking do you need? Do you need 3 bathrooms, a gym or a cinema room? Let your dreams do the talking, and make sure you write down all your notes when conceptualising the perfect home! Did you know if you have agricultural barns on your land they may comer under class Q permitted development rights which means you can turn an agricultural barn into a residential home!

 

smart architectural plans

Finding a suitable plot

Now that you have a vision of what you want your dream home to look like, the next step is figuring out where you will put it. Finding the right plot of land is critical, so ensure you look out for locations that suit your lifestyle. Are you a countryside person? Maybe you have always dreamed of having breathe taking sea views or perhaps you like the buzz and busyness of the city better? How big does the plot of land need to be? These are all questions that should be swimming around your head right now! If you’re finding it tricky to find a spot that aligns with your dream vision, have a conversation with local estate agents to see how they can help. You’ll need to decide on buying a plot with approved planning permission in place or be willing to submit your own plans for approval, a plot of land with planning permission granted already is of course the more expensive option.

 

smart speaker

Turn your vision into reality

After finding the perfect plot of land, if the land has no granted building permissions already (some permissions fall under the 10-year rule find out more here) you must get in touch with a reputable architect to share your ideas. To build your dream home you’ll need architects with years of experience and expertise in the field who can often provide innovative solutions and optimise your space, ensuring that your new home is both practical and pleasing. Allow them to take care of the complexities of the design so you don’t have to. Architects will help with construction drawings which layout things like foundation thicknesses and suitable materials.

 

house building plans

Planning approval and contractors

Once you have final designs in place you must secure planning permission to go ahead with the build. Your architect can help you navigate the local building regulations in your chosen area and submit all the necessary plans. Following this approval, you need to select a reliable building contractor to help build your dream home and bring your vision to life. Seek out a contractor with a proven track record in building luxury homes, and discuss your budget, project needs and deadlines in detail at this stage to avoid any issues at a later date. It’s extremely important to have a solid construction contract at this stage as changing the design during the building process will prove a costly mistake and affect the schedule.

 

smart thermostat controlling temperature

Partner with an interior designer

So, you’ve built your dream home! So, what next? Although your home has been built, the interiors will need a little bit of TLC. You could collaborate with an interior designer to choose finishes, décor, and furnishings that improve the aesthetic appeal of your home. You can trust a professional designer to create harmonious spaces to elevate your living experience. Your dream home deserves that wow factor in every room, especially the bathrooms, remember a properly planned luxury bathroom will be enjoyed daily plus it will be a huge selling point, seeking advice from an experienced bathroom designer can take your new home to the next level. Take their advice on board, but always feel free to share your own opinions and ideas!

how to build your dream home

Concluding on how to build your dream Home

So, that’s a wrap! Your project concludes with thorough inspections, followed by the submission of all completion documents to local authorities for approval. While building a luxury dream home isn’t often as straightforward as we’d like, the process can be incredibly rewarding and in a lot of cases is a once in a lifetime opportunity. With precise planning and professional partnerships, you can breathe life into something which was once just a dream. If you have any questions about building your dream home or are looking for experienced architects in Cornwall reach out to us to start your journey!

smart locks controlled by mobile app

2025-04-02T10:18:45+00:00June 24th, 2024|Categories: General|

Integrating smart technology into your new space

What is smart technology?

In today’s digital era, smart technology is seamlessly integrating into our homes and workplaces, offering a new level of convenience, efficiency, and safety. Smart technology covers a wide range of systems from voice-controlled lighting to adaptive thermostats, these innovative systems enhance our daily lives with remote management via WIFI. In this blog, we explore the benefits of incorporating smart technology into your new space.

smart techonology

Architecture

From an architectural perspective, “smart” architecture offers intelligent design solutions that optimise space usage, enhance aesthetic appeal, and improve functionality. Whether it’s a meticulously planned ventilation system promoting natural airflow or windows designed to harness optimal sunlight, every detail is purposefully crafted. From using the most eco-friendly building materials to incorporating greener technologies like solar panels and rainwater harvesting systems, smart architecture perfectly balances innovation and environmental responsibility.

smart architectural plans

Speakers

Smart speakers enhance entertainment by streaming music, audiobooks, and podcasts using devices equipped with AI virtual assistants like Alexa, Google Assistant, and Siri. They can perform various tasks through voice commands, such as providing weather updates, setting reminders, controlling other smart home devices, and answering any questions you may have. These smart speakers can be connected to audio systems and even speakers fitted to ceilings. With the option for multi-room audio, you can provide high-quality sound throughout any space. This hands-free operation allows users to multitask efficiently.

smart speaker

Lighting

Smart lighting systems offer remote control and programmable adjustments to lighting systems, enhancing energy efficiency and convenience. Benefits include reduced energy consumption, improved productivity, customisable settings, and safety with automatic activation. Integration with other smart systems is possible, like thermostats and security systems. Before installation in offices, consider factors such as convenience, energy efficiency, and compatibility with existing infrastructure.

Man holding tablet with lighting control application

Thermostats

A smart thermostat is a digital device that controls your home’s air conditioning and heating through WiFi. While it performs all the functions of a traditional thermostat, it also allows you to check and control the temperature remotely through an app on your phone. Many smart thermostats use machine learning to optimise your home’s energy usage based on your habits and preferences. The main benefits of using smart thermostats are energy savings, access from anywhere in or out of the home using the app, alerts if there are sudden changes in temperature or power cuts, and they even remind you to change the air filters.

smart thermostat controlling temperature

Smart meter

A smart meter is a digital device that records real-time electricity usage and costs, it automatically sends this data to your utility provider, ensuring accurate and timely billing. It eliminates the need for manual readings and provides detailed insights into your energy consumption, helping you identify ways to reduce usage and save money. With remote monitoring capabilities, smart meters offer convenience and control, allowing you to track your energy use through the meter itself, online portals or mobile apps. To get a smart meter you’ll need to contact your energy supplier.

smart meter

Security systems

A smart security system is a network of devices aimed at boosting security measures via remote monitoring. Common features include surveillance cameras, motion sensors, door/window sensors, and smart locks, all managed through a central hub or smartphone app. These systems can also lower home insurance! Users can receive real-time alerts about their property from anywhere worldwide with an internet connection. Integrating with other smart devices like lights and thermostats enables comprehensive home automation. Smart security systems provide peace of mind, convenience, and safeguard against potential threats.

smart locks controlled by mobile app

Before choosing any smart technology, you need to define the goals and needs of your project. What are the main functions and features of the building? Who are the users, and what are their preferences and expectations? How can smart technology add value and improve the user experience? These questions will help you identify the problems and opportunities that smart technology can address.

2024-05-31T14:20:14+00:00May 25th, 2024|Categories: General|

Merry Christmas from Lilly Lewarne Architects

Lilly Lewarne Architects will be closed from Thursday 23rd December 2021 until Tuesday 4th January 2021 for the Christmas break.

All at Lilly Lewarne Architects would like to thank everyone for the continued support over the last two years during challenging times. We wish you a very Merry Christmas and a Happy New Year.

2021-12-23T10:05:48+00:00December 23rd, 2021|Categories: General|