Extension Builders in Barnes

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (18 reviews)

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Some of our top rated extension builders in Barnes

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AJ Construction
Rating: 5 out of 5
Extension Builder in Barnes
Building a luxury lifestyle, bespoke to your specifications. We are a family run business; my brother and I set up our company together after gaining collectively over 20 years experience in the trade. Our aim is to provide a fair and affordable price, excellent and proactive customer service, together with the highest quality finish. We are specialists in extensions, brickwork, fencing and landscaping. Free quotes and 3 month snagging period guaranteed!
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Latest review:
Landscaping- 2 May 2018
We would highly recommend Aran. His quote was competitive and his communication throughout was excellent. He worked swiftly and the quality of the work is very good.
You Nailed It Ltd
Rating: 4.9 out of 5
Extension Builder in Barnes
You Nailed It Ltd is a design and build company providing various construction and refurbishment services in the London area. The services offered are tailored to suit the demands of residential and commercial projects. With the You Nailed It team, you won't waste time and money contacting different suppliers, builders and interior designers. The team consists of a group of specialists in the industry, that have up to 20 years of relevant experience combined..
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Latest review:
I had the pleasure of working with Romeo and his team on my kitchen renovation, and I couldn't be happier with the results! From start to finish, his work was great. The kitchen looks fantastic, and they even finished the project ahead of schedule! Romeo and his team were very professional, always on time, and always kept me updated on the progress of the project. They also kept the flat clean and tidy every night, which made it much easier to live in the flat while the project was being done. I highly recommend them to anyone looking for a kitchen renovation!
Vision Construct Group ltd
Rating: 5 out of 5
Extension Builder in Barnes
Experienced builders, Vision Construct Limited specialise in all domestic developments Extensions, Lofts, Basements, New Build, Renovations. We have a number of years experience of working in the industry, we have done many different projects, New Build, Extensions, Loft Conversions,Basements. We take on projects of all sizes, from small renovation works to project managing your new extension.
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Latest review:
Ivan and his team completed a full loft conversion at our terraced house, and we couldn’t recommend them more highly. They did a fantastic job from start to finish and were a pleasure to work with. Communication and project management throughout the project was excellent, and their commitment really showed. Nothing was ever too much trouble to ask. The project was completed within the estimated timeframe, which was especially appreciated as it finished just before Christmas. The team was very considerate while working in our home, and we stayed in the house for the entire duration of the project with minimal disruption. In addition to the loft conversion, they also replaced all our doors with fire doors and installed new flooring throughout the house, all to a very high standard. We’re absolutely delighted with the results and would highly recommend Ivan and his team to anyone considering similar work.
BOILER ACADEMY LTD
Rating: 5 out of 5
Extension Builder in Barnes
team of Gas engineers and plumbers with years of experience we capable of doing all type of plumbing an heating work from replacing simple tap to whole hose New pipework
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Latest review:
Plumbing- 8 May 2019
Very quick and good job.
Stn Contacts Ltd
Rating: 5 out of 5
Extension Builder in Barnes
Should you require a quotation for any works, or even just advice, please call /e-mail us and we will be happy to help you: Basements Extensions Loft conversions New builds Refurbishments Kitchens and bathrooms Carpentry and joinery Roofing Insurance work Design and build
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Latest review:
Stan and his workers are very reliable, professional with there workmanship and very good value for money. Compared with other quotes I received. I had a ground floor and 1st floor extension and a new large kitchen installed and a large bedroom ensuite on the 1st floor.
Prestige Building Design Ltd
Rating: 5 out of 5
Extension Builder in Barnes
My name is Warren & has been in the building industry for over 35yrs Began as a carpenter and has developed & moved into all area and aspect of the building industry covering from the least to the greatest, Prestige Building Design Ltd. Are a team of Multi-Skill tradesman, Crafts man & builders which will converts your ideas into reality. Our portfolio covers New build,Extension,Loft Conversions,Renovations,Bathrooms,Kitchens, We pride our self on our ability to deliver & Customer satisfaction
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Latest review:
Extensions- 24 Apr 2023
Warren and his team have been with us for over a year now, first building our extension and then retained for additional work around the house. The quality of work is high, the pricing is very competitive and the team are a pleasure to have around. I am pleased we hired Warren and do not hesitate to recommend him.
George Eid Haykal
Rating: 5 out of 5
Extension Builder in Barnes
I am a construction contractor specializing in a wide range of refurbishment and renovation projects. I have established a strong network of engineers and tradesmen who possess diverse specialties and expertise.
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Latest review:
I highly recommend William Haykal. We hired him to renovate our entire 2 bedroom, 2 bathrooms flat, he’s done the job in just 19 days and the end result is simply stunning. His attention to details, craftsmanship, and professionalism exceeded my expectations. From the initial consultation to the final touches, he made the process seamless and delivered outstanding results. I couldn't be happier with his work!
FM Building
Rating: 4.8 out of 5
Extension Builder in Barnes
Honest and friendly company, we here at FM Building focus on complete customer satisfaction and make a promise to our clients to offer best quality services at competitive rates. All projects considered and dealt with in a professional manner regardless of the size or duration.
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Latest review:
Handyman- 12 Oct 2018
The flat was left in a very bad state after the tenants left. Marius was able to undertake all the jobs, from changing carpets, redecorate, repairs and clean up. Also gave good advice as I was not able to attend the site in person so Marius kept me updated with photos. The price was also good. Thank you. Will use these guys again.
James Murdoch
Rating: 5 out of 5
Extension Builder in Barnes
Construction company with 27 years experience in the industry between us and a team of other qualified tradespeople necessary to undertake projects.We are new to this site so please ask us to provide you with reference from previous clients. We have experience in timber frame homes, apartment blocks, extensions, renovations and commercial works.We take great pride in our work and make sure every job is completed to the highest of standards on time and on budget. Our aim is your satisfaction.
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Latest review:
Carpentry- 31 May 2017
Was really impressed with these guys. Helped me order the correct garden door and then went to pick up extra bits when the order didn't turn up correctly, for no extra cost and couldn't have been nicer about it, even though it was a pain for them. Really cheerful and helpful - nothing was too much trouble. Would use them again, for sure.
Lion
Rating: 5 out of 5
Extension Builder in Barnes
"LION BUILD LTD is a team of professionals specializing in the renovation of apartments, houses, bathrooms, and kitchens. We also focus on constructing extensions and lofts, ensuring high quality and client satisfaction."
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Latest review:
Bathroom Fitting- 4 May 2025
It’s been a year since Lion completed the work and I am happy to say it is still looking great. Lions help with choosing materials and explaining the next stage of work was excellent. Lion completed the bathroom refit and then I asked him to refit the kitchen. His team were always on time in the morning. Appreciate all the hard work, highly recommend Lion.
Ivan
Rating: 5 out of 5
Extension Builder in Barnes
Extension from footings to finish painting, bathrooms, kitchens, refurbishment, patios, gardens etc
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Latest review:
Restoration & Refurbishment- 12 Feb 2025
Ivan was friendly, methodical . Our stairs no longer creak. He reinforced everything from underneath, put plaster back. Very happy with the job. Keeping his details should we have anything else needing fixing. Would recommend him
Steve Rochford
Rating: 5 out of 5
Extension Builder in Barnes
City & Guilds served bricklayer 45 year’s experience Very neat
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Latest review:
The work consisted of a single storey extension incorporating a small utility room. Stephen's building workmanship was excellent, as was his labourer. His professionalism was first class and he was prompt and reliable. We were extremely pleased with the work and the price which he quoted us. We would highly recommend Steve Rochford.
Craft of London Ltd
Rating: 5 out of 5
Extension Builder in Barnes
Craft of London are an established building company, specialising in design and build projects, creating bespoke interiors and homes. Our workmanship is of the best standard in London for either small, medium or grand designs.
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Latest review:
Extensions- 3 Sep 2013
Kel and his team worked on my single storey extension with bifold doors and glass roof. He also did some landscaping in my garden, replacing the fencing and installing a raised patio with cedar battens to the side. Overall I was very pleased with the work Kel did. He is a good communicator and frequently visited the site to keep on top of the work. Kel was happy to discuss requests and was flexible with design changes. The bulk of the work was completed on time with just some minor snags remaining, but the finish is excellent. It's been a long and stressful journey, but it's been easier with the friendly support and professional approach Kel has taken to his job. I'd be happy to recommend Craft of London and provide a reference on request.
ASAR PLUMBING AND BUILDING
Rating: 5 out of 5
Extension Builder in Barnes
I am a qualified plumbing heating engineer and General builder, i have learned my trade working for a plumbing / building company for 15 years. i have also been Nescot College for four years where i gained my qualification. I am hard working person, honest, trustworthy and take pride of my job. Customer satisfaction is my top priority.
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Latest review:
Extensions- 17 Mar 2024
Agim and his team were great - communicated what they would do at each stage, the timing, materials needed etc., no major surprises. The building is quite old and wonky in places so they had to work with that and the finished result looks great. Very happy and have would recommend Agim again!
Mos Structure Ltd.
Rating: 5 out of 5
Extension Builder in Barnes
We are construction company based in London. The director of the Mos Structure Ltd. completed his education at the faculty of engineering in Turkey. After his education and his carier he started his own business in London. Totally he has been in this industry more than 14 years. We are a understanding and friendly team who always have a smile on our face. We have 100% customer satisfaction and have worked from great recommendations.
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Latest review:
We needed a rear extension built with an internal courtyard. From day one when we first contacted Mert to get a quote he was professional and easy to talk to. His quote was good value for money. During the job he and his team were approachable, careful with our property and always easy to talk to and answer questions we had. The work Mert did was fantastic and our neighbours have already gone on to use him. We will get him back again for more work and highly recommend him.
House doctor
Rating: 5 out of 5
Extension Builder in Barnes
Here ,at London house doctor,we are qualified kitchen and bathroom fitters,general builders,extension and loft conversion specialist,electricians,plumbers,painter&decorators. very affordable and reliable,fully experienced based in London. liability insured with great references. we operate in a professional manner and provide you with first-class service and finish at the best price in the market Our services include: 1.Building Extensions,loft conversion 2.kitchen/Bathroom renovation 3.shop fitting 4. Refurbishment & Maintenance Residential & Commercial Properties A:Electrical Services Fault finding Install consumer unit Full wiring & rewiring house Sockets and switches Lighting and chandeliers Cooker & oven hood replacement CCTV and alarm system Electrical shower and many more… B:Plumbing; All types of water and waste pumps and boilers. Manhole first and second, fix plumbing. Fix and install all types of boiler and water heaters All types of radiators and Under floor heating systems Finding all types of leaks and blockage C:Tiling Services: Any format of tiles includes ceramic, mosaic, porcelains, limestone, marble, and grinate Bathrooms and kitchens Shower and wet rooms Conservatories Saunas and Jacuzzis D:Painting & Decorating Filler and fix all kinds of walls Repair the rough paint Paint internal and external doors and windows Painting any bedroom size Waxing and all woodwork paint E:Carpentry & Joinery Kitchen cupboards & work top Fix, install, and make new doors, windows & shelves
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Latest review:
Zhoobin and his team carried out painting, decorating works,and general handyman works. They were a great team, who came in and worked quickly and efficiently.

4.1

Top rated Extension Builders

Our Extension Builders in Barnes, are rated 4.1 out of 5 based on 18 reviews from customers like you.

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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 Barnes?

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 Barnes 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 Barnes who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Barnes?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Barnes 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 Barnes extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Barnes home extension project is likely to cost.

Find extension builders in Barnes with MyBuilder

Hiring the right extension builder in Barnes 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 Barnes extension builders. Once your job is live, we’ll share it with home extension builders in Barnes who can express their interest.

Step 2: Compare different extension builders in Barnes

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

Step 3: Hire Barnes extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Barnes, 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.

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

What to ask a Barnes extension builder before hiring?

Before hiring an extension builder in Barnes or extension building company in Barnes, 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 Barnes?

An extension builder in Barnes 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 Barnes 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 Barnes?

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 Barnes 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 Barnes 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 Barnes

Can an extension builder in Barnes help with planning permission?

Yes, many extension builders in Barnes 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 Barnes handle everything from design to construction?

Many Barnes 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 Barnes help with materials and finishes?

Yes, most extension builders in Barnes 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.