A single-storey rear extension in London costs roughly £80,000 to £150,000 all-in in 2026, at about £2,800 to £5,500 per square metre, including the build, glazing, fees and 20% VAT. A wraparound, which adds the side return alongside the rear, is the largest single-storey footprint...
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This is a question we are frequently asked by prospective clients, and our answer is always the same; the cost is dependent on the size and the design of the scheme. The final cost of each side return extension will differ as the designs are...
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A flat roof is the cheaper, more contemporary choice and is easier to fill with daylight through rooflights, but it needs careful drainage and more maintenance. A pitched roof costs more (roughly £4,000 to £7,000 extra on a typical extension) but lasts far longer, needs...
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In London in 2026, replacing a conservatory with a solid extension costs roughly £2,800 to £5,500 per m² for the build, or about £60,000 to £150,000 all in for a small-to-medium rear extension. Removing the old conservatory adds £800 to £2,500. Like-for-like replacements often need...
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Designing a home extension is not just about gaining extra space. A house extension is also about maximising return on investment, improving energy performance and creating a home that will remain functional, flexible and efficient for many years to come. The architect you choose for your...
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Compare radiators and underfloor heating, including comfort, cost, energy efficiency, smart controls and sustainability, to choose the best system for your home....
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An increasing number of people are now choosing to extend their current properties rather than move house. This is definitely the quickest and cheapest solution to meeting the changing needs of the family. Building an extension can be an exciting project and the ideal way...
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A home renovation is a popular way to gain extra living space, improve quality of life and add value to your property. This can all be achieved without having the cost and disruption of moving! Once you have made the decision to make a home...
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Home renovation can be an exciting opportunity to increase space, refresh interior design and even raise property value. It’s your chance to create a home that perfectly suits your needs and reflects your vision. However, the process can also bring its fair share of challenges...
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A kitchen extension is one of the most transformative upgrades you can make to your home. It not only enhances functionality but also creates a vibrant space for cooking, eating and socialising. Designing a modern kitchen extension offers the chance to blend style, innovation and...
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Hiring an architect is a big decision that can significantly impact the outcome of your project. From design expertise to project management, the right architect will help turn your vision into reality while handling technical aspects and navigating regulations. Here are eight essential questions to...
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The rise of smart home technology has transformed the way we interact with our living spaces, making our homes more efficient, secure, and comfortable than ever. Integrating smart tech can enhance your home, help reduce energy consumption and increase property value—all at the touch of...
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Open plan extensions have revolutionised modern living, transforming how we interact with and enjoy our homes. By blending kitchen, dining, and living areas into a single, open space, these extensions maximise natural light, enhance sociability, and offer a highly versatile layout that suits many lifestyles....
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Did you know that the right glazing can boost your home value? Choosing the right glazing is crucial for your home extension. Because glazing goes beyond just windows and doors; it can dramatically change your home’s aesthetics and functionality, making it a worthwhile investment. The...
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When embarking on an extensive renovation or building project, it's essential to establish a timeline with your builder before the building work starts. With so many decisions to be made and materials to choose from, it’s easy to forget this aspect of the project. A...
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Further to providing an understanding of layout and the feel of a space, using BIM to create models can provide an understanding of what furniture, glazing and doors might suit your space....
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This blog discusses boundary walls and extension design. Did you know Local Authorities have guidelines in place which dictate the maximum height your boundary wall can be? This may be different to the height of the existing fence or brick divide, so it is worth...
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If you are planning a home extension or remodel, creating office and living space for home working is essential now, more than ever. Space to work and learn is most likely high on the agenda. Here are some of the ways you can add additional...
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A question we are often asked by prospective clients is: why design and build? What makes a design and build company a better option than the traditional model of using an architect and then contractor? There are a number of key reasons which make an...
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Chimney breasts are typically found in old homes, projecting from the wall to accommodate fireplace to keep the occupants warm during the winter season. At the bottom of the chimney is the fireplace where a fire would be lit. Heat produced by the fire spreads...
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If you’re thinking about extending your kitchen, open plan living is ideal as you will be left with a generous room size that can be very multifunctional. Open plan living needs to be well thought out, as you don’t want to lose that much loved...
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Utility areas are great if you want to create a room to hide all of your clutter and unsightly items. Washing machines, tumble dryers and ironing boards require space and are generally awkward to hide away. You can hide them away in your kitchen, although...
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When it comes to designing your extension there are lots of factors to consider; all of which impact the options available to you. For example, designing a home extension to a ground floor flat is very different the design for a full house. One of...
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Building Control is a collection of guidelines designed to maintain your safety when extending your home. During the build process, this typically involves four site visits: the first visit when the foundations are being laid, the second when the cavity wall is erected, the third...
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One very important feature of a build is the way the building looks from the outside. During the Design Process, our clients love to get involved in the interior design and exterior is generally pushed aside and thought about either when we prompt the discussion,...
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Whether you intend to go large and invest in a lower ground floor, or keep it simple and go for a cellar conversion; there are loads of ways you can use this underground space. We thought we would share just some of the ideas and...
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Your boundary wall height will affect your roof design, as lower boundary walls prefer a pitched roof to make the design practical. Higher boundary walls offer you more flexibility, as you’re free to choose from either a pitched or flat roof design. Making a decision on...
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Depending on your design options and personal preference, you might need to find a way to get natural light through to the room that sits behind your kitchen....
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An open plan design is a great way to create a large multi-functional space and it’s an obvious favourite for our past and current clients. Not only does this design option utilise all of the space available, but it also encourages the flow of natural...
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Exposed brick is a rising star among interior decoration – with our last two builds, and an on-going build incorporating it into their design. When designing your kitchen extension, it is key to consider your interior space and what look you want to create. What is...
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We are often asked whether an extension is a worthwhile investment on a flat or on a home where the size of the extended space looks to be rather small in comparison to others. Regardless of the size of your home or the side return area,...
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How many access points does my side return extension need? Find out more in our helpful blog post....
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