Extension Builders in Belmont

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (21 reviews)

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Some of our top rated extension builders in Belmont

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Home improvement
Rating: 4.3 out of 5
Extension Builder in Belmont
“Reliable handyman with 7+ years of experience in flooring, plastering, and general home repairs. I take pride in clean work, clear communication, and finishing jobs on time. Available for small to medium projects — no job too and general plumbing
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Latest review:
Handyman- 23 Jul 2026
Lovely guy. Did a great job and done it so quickly. Would highly recommend
Alpha Building Services
Rating: 5 out of 5
Extension Builder in Belmont
We have over 40 years experience in the construction industry specialising in Loft conversions and Extensions. We cater to all your building needs. The majority of our work is from recommendations/word of mouth and we have customer testimonials on our website. References and the viewing of previous jobs can be arranged.
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Latest review:
Extensions- 22 Feb 2022
William is a friendly professional, organised and ahead of the work plans. He kept up regular contact daily and was a pleasure to work with. Where ideas and suggestions were needed he submitted the best advice and solutions. He vetted all visitors and kept the site clean and tidy. I would recommend him and work with him again.
Beds4All
Rating: 5 out of 5
Extension Builder in Belmont
We are a professional construction team with hands-on experience in building homes, extensions, renovations, and structural work. Whether it's laying a foundation, brickwork, roofing, or complete builds — we do the job right, on time, and with pride. ✅ Quality workmanship ✅ Reliable team ✅ Clean, safe, and efficient job sites ✅ Client satisfaction is our priority Services Offered: New Builds Home Extensions Renovations & Refits Brickwork & Blockwork Roofing Driveways & Patios
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Latest review:
Handyman- 17 Sep 2025
Very happy with recent job, would recommend.
Croham Builders
Rating: 4.7 out of 5
Extension Builder in Belmont
You can rely on Croham Builders to guide you through every step of your project. We take pride in providing our customers with expert advice throughout all construction phases. And although we think modern, our team is traditionally trained and is dedicated to high-quality workmanship using the latest techniques. houses, bungalows, etc. Office building Structural repairs and extension Building conservatories
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Latest review:
Conversions - General- 23 Nov 2017
Calvin and Jimmy have been absolutely brilliant, and have been the best builders that I have employed. So much so, that I have subsequently asked them to do a whole shopping list of things, from fitting a kitchen to removing an old fireplace. They are always on time, very polite, kind and knowledgeable. Best of all, they get things done quickly without any fuss. Calvin has been invaluable in sourcing items from trade required for the latest project, and clearly talks through requirements of any project. I would very happily recommend them for the excellent value they offer and fantastic level of workmanship.
RW Building Services
Rating: 5 out of 5
Extension Builder in Belmont
We provide a comprehensive specification and quotation for all our clients without obligation. Please look no further and be our client today and forever.
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Latest review:
Extensions- 13 Jun 2024
We had a side extension with a utility room, also a new patio. Rodney and Sly were very professional and did a great job. Sly and the team was very friendly, clean and left a high quality finish.When we had issues or scope changes, we had no problem in finding a solution that work for both of us. Definately will be happy to reccomend to others.
Skilled Building Services
Rating: 5 out of 5
Extension Builder in Belmont
Type “Skilled Building Services” on Google and contact us directly. Led by a Fellow of the Institute of Carpenters (FIOC) — the highest level of professional recognition in the UK carpentry industry — we bring over 17 years of experience to every project. Now qualified with NVQ Level 6 in Construction Site Management (Building and Civil Engineering), equivalent to Bachelor level, ensuring projects are planned, managed and delivered to a high professional standard. Kitchens, bathrooms, bespoke joinery and home improvements — done properly, from start to finish.
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Latest review:
Kitchen Fitting- 5 Oct 2025
I couldn’t be happier with the work Mariusz has done! The kitchen fitting was done so neatly and with amazing attention to detail, all the plumbing, gas and electrics were completed perfectly too. He kept to time and finished everything as promised, which I really appreciated. Mariusz is very tidy and takes real pride in his work. He also helped with adding shelves and fixing panelling to the bedroom and brough my vision to life, it turned out exactly how I wanted! He’s easy to work with, always willing to help, and made the whole process so smooth and stress-free. I’d definitely recommend him to anyone looking for someone reliable, skilled and genuinely great to work with.
Home Renovations Ltd
Rating: 5 out of 5
Extension Builder in Belmont
We're a building company specializing in house extensions, loft conversions and refurbishments. Our clients come from New Malden, where we're based, but also surrounding areas. The vast industry experience enables us to provide valuable advice, professional services and individual approach, benefiting our customers. As we understand trust and credibility are crucial when undertaking such projects, we arrange viewings and provide customers with references and photos of our most recent projects.
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Latest review:
Extensions- 24 Jun 2017
We had a large piece of work done by Johan and his team. It was a 4m single storey rear extension with new kitchen installation, converting the old kitchen into a downstairs bathroom and utility room, plus other bits and bobs like new boiler, rear patio. We got quotes from a few builders, Home Renovations weren't the cheapest, they were actually towards the higher end. But we went and saw their previous work and spoke to some of their other clients. The work was done to a high quality and the clients seemed to be happy so we decided to go with them. Johan's team are very hard working, professional and polite. Pawel and his team of builders, bricklayers, plumbers, electricians, etc. would turn up before 8am and finish at 6pm working solidly throughout the day. There is Magda as the project manager who keeps you in the loop, and answers any of your questions (which we had many). There is Michaela on the finance side who keeps you up to date with the budget. Our budget went over by 5% with "variations" (extra work or materials) but it was always communicated why and the work wasn't done without our approval. Pawel would give his recommendations but the final word would always be ours. But these things can add up. Overall we were very happy with the build, it was done to a very high standard. They also finished it before time. They said it would take 12 weeks in fact they finished it in 10 weeks which was amazing as you would normally expect these things to go over.
Shemeck Builder
Rating: 5 out of 5
Extension Builder in Belmont
We are a small team working in building industry for many years. We are experienced in all aspects of building like: Kitchen fitting, bathroom fitting, carpentry, tiling, plastering, painting and much more. Any project, any idea we can help you and you will be happy.
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Latest review:
Bathroom Fitting- 26 Jun 2022
Excellent recent bathroom project delivered by Robert and Shemeck. Everything delivered on schedule. Very tidy and considerate of working in a family home. Competitive rate, great attention to detail, completely trustworthy. I'd recommend anyone to speak to them about your project.
Kingston Surrey Construction Ltd
Rating: 5 out of 5
Extension Builder in Belmont
We are a construction company with over 25 years experience. We Have worked on major projects including extensions, loft conversion and refurbishments. Including smaller projects, new bathroom and kitchens.
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Latest review:
Restoration & Refurbishment- 21 Apr 2024
Got my cloakroom re-done. They r friendly, professional, attention to detail, with clearly tens of years’ experiences. Reasonable rate as well.
ANACOND LTD
Rating: 5 out of 5
Extension Builder in Belmont
Throughout the years in construction my father has gathered well balanced team with broad range of experience in every aspect of the job. After acquiring my engineering degree and some experience elsewhere, I re-joined my father once again to provide the service we are both proud of. Our background and experience in construction, design and engineering allows us to provide our clients with high quality service and ensure smooth work-flow of each project. Attention to detail is the key!
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Latest review:
Ground floor rear extension and Loft conversion. First and Second fix works including drainage, structural (block work, wood work and steel work) electrical, plumbing, plastering and tiling. All works completed to a very high standard, we found Arnolda's and his team very helpful, thoughtful and pro-active nothing seemed to be too much trouble for him, we are more than happy with AnA's Construction Developments.
Smiley Builders
Rating: 5 out of 5
Extension Builder in Belmont
Smiley Building Services specialist on design and build project starting from architect drawings to the compilation we are specialist in Extensions, Loft , Full Refurbishments, Bathrooms & Kitchens in Croydon , Bromley , and South East London. We have secured a reputation based on, first class workmanship, efficient management skills and a customer focused approach.
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Latest review:
Extensions- 4 Aug 2019
Very constructive input throughout the whole process. We were given a clear idea of timescales for every step of the build, what to expect and how they would minimise disruption to our household which was all done effectively as promised. For the beginning he made clear that the process would allow us to still have a family home running (almost) as normal for most of the build, which was really helpful with our young children! Baz would always answer any questions and welcomes feedback. He would be flexible and find ways to work around problems to ensure the design was achieved and did so beyond our expectations. The build was completed to schedule and to a high standard. He would work with you to make sure everything was done properly and around schedules you have with other services if you are using separate glazing or kitchen suppliers as we did. We’re very happy with choosing Smiley building services and would definitely use again. All his staff are friendly, polite and considerate. Friends and family who have seen the work on our house have already asked for Smileys details for their own build work due to the great finish.
Jc carpentry services ltd
Rating: 5 out of 5
Extension Builder in Belmont
My name is John cox and I am the managing director of Jc carpentry services ltd…. We specialise in Main contracting/ Sub contracting/ Loft conversions/ Extensions/ Kitchens/ Bathroom refurbishment.
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Latest review:
Carpentry- 15 Aug 2025
I would 100% recommend John and his team. We have been really unlucky with 3 other builders taking off with our money and not completing the work. John is very professional, took on someone else’s mess and done a brilliant job. We wanted exposed oak rafter detail and the team done an excellent job. John is very good at problem solving on the spot when there are issues, he is very approachable and keeps you updated with the progress throughout the job. What he has been good at is also talking through different options with us before doing different sections of the work and he does not take short cuts. If you need excellent honest builders John is your guy! We will get the decorations done and post the end product.
Alfa style LTD
Rating: 5 out of 5
Extension Builder in Belmont
Specialists In Loft Construction,house extension and renovation . We can convert your loft to maximise your living space,by converting it to create a new bedroom,bathroom,office or playroom. Alfa style ltd the primier home conversions company you can trust for reliable,honest and quality workmanship. Here at Alfa style ltd we offer high quality loft conversion in South West London and surrounding areas.
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Latest review:
We had the pleasure of working with Alfa Style Limited on our loft conversion and we can recommend them highly and without reservation. Their work is incredible, attention to detail outstanding – our build was done with care and precision. They turned up on time every day, worked incredibly hard and quickly. In addition, they were extremely clean and tidy in the workplace – they never left the worksite in disarray. This is the first time we have done such a big project – Ruslan, Slava and their team were amazing. They were brilliant at explaining what was going to happen, day by day, week by week and translated the more technical information! No question or query was too much. The service after the build had finished has also been great, calls to check everything is OK and any queries we have, they are only a phone call away. We have had so many compliments from family and friends who have seen the finished build … it has made a huge difference to our house, we could not be happier.
HM Building Services
Rating: 5 out of 5
Extension Builder in Belmont
I am a determined and capable multi-skilled professional with over fifteen years experience. I possess extensive knowledge in full refurbishment.
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Latest review:
Extensions- 7 Jul 2021
Hristo and his team provided an absolutely flawless service throughout and I would highly recommend. His quote was extremely competitive, and the standard of work was brilliant. He listened to what we were looking for, right down to the very detail (even managed to source bricks for a Victorian property that complemented the existing house perfectly) and made sure that we were happy with everything before he started work and also during. He always turned up on time and kept us informed throughout the entire project. I really couldn't recommend highly enough, and we'll certainly consider Hristo for any future building projects that we might have. Attention to detail and general personality are so important, and Hristo is great all round. Perfect job!
Dobruna Construction Limited
Rating: 5 out of 5
Extension Builder in Belmont
Dobruna Construction Limited is happy to assist with any kind of building project, big or small. It’s our aim to make your vision reality and help you to improve your home for you and your family. Our work ethic is friendly, efficient and professional.
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Latest review:
Undertook extensive building work - a rear and side extension, built a summer house, landscaped the garden and paved a new driveway. They are the best building company I have ever worked with. Courteous, tidy, excellent quality, considerate of our family and our neighbours. Afrim consistently gone went and beyond to ensure that my renovations were completed to a high standard and at a fast pace. I am so pleased I made the decision to let him manage the building work from start to finish as his electrician, plumber, tilers, kitchen fitters have all been fantastic. Building works can be extremely stressful but Afrim did everything to make sure it has been as smooth as possible - would highly recommend
Meadway
Rating: 5 out of 5
Extension Builder in Belmont
Meadway offers a friendly, efficient and affordable service Examples of our work include: All aspects of Carpentry work, including kitchens, flooring, doors, decking, fencing, landscaping, skirting and architraves, building furniture, fitting cupboards, wardrobes and much more.. - Maintenance services - Plumbing - Roofing - Plastering - Tiling - Brick/Blockwork Please don't hesitate to call, we will be happy to answer any of your questions.
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Latest review:
Carpentry- 25 Jun 2022
Meadway was brilliant did the job quick and sufficiently. Will be using Meadway going forward.

4.2

Top rated Extension Builders

Our Extension Builders in Belmont, are rated 4.2 out of 5 based on 21 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What types of services are offered by local extension builders in Belmont?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Belmont for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Belmont who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Belmont extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Belmont?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Belmont will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Belmont extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Belmont home extension project is likely to cost.

Find extension builders in Belmont with MyBuilder

Hiring the right extension builder in Belmont with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Belmont extension builders. Once your job is live, we’ll share it with home extension builders in Belmont who can express their interest.

Step 2: Compare different extension builders in Belmont

When you start receiving interest, review profiles of local Belmont extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Belmont extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Belmont, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Belmont extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Belmont extension builder before hiring?

Before hiring an extension builder in Belmont or extension building company in Belmont, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Belmont?

An extension builder in Belmont should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Belmont extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Belmont?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Belmont extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Belmont extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Belmont

Can an extension builder in Belmont help with planning permission?

Yes, many extension builders in Belmont can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Belmont handle everything from design to construction?

Many Belmont extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Belmont help with materials and finishes?

Yes, most extension builders in Belmont can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.