Extension Builders in West Brompton

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 West Brompton

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London Builders & Decorators
Rating: 5 out of 5
Extension Builder in West Brompton
London Builders & Decorators has been operating since 2016 in London. We our general builders who carry out Extensions, Lofts and Full Renovations. Why not shortlist us and come visit one of our sites. We run 5-7 sites at once so there will be one nearby. We try to keep things simple so the customer knows what is being done. Building work should be explained and expectations should be managed. We are a Member of the Federation of Master Builders & Gas Safe Registered
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Latest review:
Tiling- 22 Mar 2018
very professional work, the team was very flexible, patient and helpful with me adding some ideas along the way. I am very happy with the results.
Ali
Rating: 5 out of 5
Extension Builder in West Brompton
ALI HAIDAR Plumber | Plumbing & Heating Installer London I have 5 years Experienced and hardworking Plumber with practical experience in domestic plumbing, bathroom installations, heating systems and drainage. Confident working independently or as part of a team, with good attention to detail and a strong commitment to completing work safely and to a high standard. Experienced in installing, repairing and maintaining plumbing systems, including bathrooms, radiators, underfloor heating, kitchens and drainage systems. KEY SKILLS * Full bathroom installation * First Fix & Second Fix plumbing * Toilets, sinks, showers and baths * Taps and mixers * Radiator installation and replacement * Underfloor heating systems * Kitchen plumbing * Hot and cold water systems * Waste pipe installation * Drainage and blocked drains * Leak detection and repairs * Pipework installation and repairs * Copper and plastic pipework * Push-fit fittings * Soldering and plumbing joints * General plumbing maintenance * Working on domestic properties and construction sites * Safe and professional working practices
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Latest review:
Plumbing- 30 Aug 2026
Did a really good job of removing the bath and reconfiguring the waste and soil pipe underneath. He informed me what his plan was and I left him to it. Happy with the work and completed in a day.
Sadia
Rating: 5 out of 5
Extension Builder in West Brompton
"Stylish Kitchen & bathroom Fitting Service with prices guaranteed between £4000 to £5000, you can trust us to deliver top-notch service Transform your kitchen into a modern masterpiece with Quality Builders Limited! Our reliable team specializes in fitting any kind of stylish Wren B&Q kitchen, complete with gas cooker, washing, and cooking machine connections.
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Latest review:
Quality Builders completed a remarkable domer and loft conversion for us on 2/10/2023, and we couldn't be more pleased with the results. From the outset, their professionalism and attention to detail were evident. The initial consultation was thorough, and they took the time to understand our vision for the space. Throughout the project, communication was excellent, with regular updates on progress and any necessary adjustments. The craftsmanship displayed by Quality Builders was exceptional. Every aspect of the conversion, from structural work to finishing touches, was executed with precision and care. Their team of builders and contractors demonstrated expertise and skill, resulting in a finished product that exceeded our expectations. Not only did Quality Builders deliver on time, but they also adhered to budgetary constraints without compromising quality. Their transparency and honesty throughout the process gave us peace of mind and confidence in their abilities. The transformation of our space is truly remarkable. The addition of the domer and loft has added both aesthetic appeal and practical functionality to our home. The new space is light-filled, spacious, and seamlessly integrated with the existing structure. Overall, we cannot recommend Quality Builders highly enough. Their commitment to excellence, attention to detail, and professionalism set them apart in the industry. If you're considering a home renovation project, look no further than Quality Builders for exceptional results.
Volodymyr Girkovskyi
Rating: 4.7 out of 5
Extension Builder in West Brompton
I am responsible, I do my job carefully, I have extensive experience in building and renovating houses.
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Latest review:
Handyman- 9 Oct 2025
Good job, done as agreed
You Nailed It Ltd
Rating: 4.9 out of 5
Extension Builder in West Brompton
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!
LONDON PROPERTY CARE LTD
Rating: 5 out of 5
Extension Builder in West Brompton
Hi my name is Faruk. We specialise internal,external Refurbishment and we are doingexternal outdoor living system including Veranda, Pergola guillotine…..,complete bathroom , bedroom , kitchen fitting ,tiling , plastering, painting and decorating. Electrical.and more …………. I have over 21 years experience on building side… Professional team Refurbishment specialist. Provide a full service including all preparation and fittings finished to a high quality service we can help you create the look you want…….. Please feel free and contact anytime … Your sincerely Faruk London Property Care Ltd ;
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Latest review:
Handyman- 17 Feb 2026
Fantastic job. Good communication. Trustworthy. Thanks
KBS London Ltd
Rating: 5 out of 5
Extension Builder in West Brompton
We are a North London Carpentry and General building company. I am a Qualified Carpenter from New Zealand, I have 30 years experience with 20 in London. We can carry out all works on residential, retail and commercial projects, from strip out to completion. We have a network of tried and proven tradesmen and suppliers. We are Quick Clean happy to work out of hours if necessary. I will do you a free quotation and happy to discuss works and guide you if necessary. Karl
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Latest review:
Carpentry- 8 Jun 2026
Responsive and good communication - delivered the job as planned and quoted. Would recommend.
SW Heating & Refurbishments Ltd
Rating: 5 out of 5
Extension Builder in West Brompton
SW Heating & Refurbishments is a local refurbishment company specialising in complete property refurbishments, extensions and loft conversions, new heating systems and boilers. We take pride in all of our work and our aim is to provide you with a quality finish, tailored to your budget. With over 19 years experience, we have built up an extensive team of tradesmen allowing us to provide an outstanding service. We are fully insured and all our work is gas safe and NICEIC certified.
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Latest review:
Conversions - General- 20 Mar 2024
Charlie & Richard did a great job. They visited my property to get an accurate quote. They let me visit another property they are developing which gave me confidence that they were more than capable of my job. They carried out the work quickly and to a high professional standard. Wouldn't hesitate to use them again.
Krots
Rating: 5 out of 5
Extension Builder in West Brompton
Wood carpenter for doors, external rooms, ceilings, stairs, bedrooms, kitchens, railings and gardens
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Latest review:
Carpentry- 28 Sep 2025
Great handywork,
Towergate Design
Rating: 5 out of 5
Extension Builder in West Brompton
Towergate Design Studio is a London-based leading practice working in the residential and commercial sector. We have a reliable and excellent painting team with reputation for high-quality work, attention to detail, professionalism, including punctuality, clean communication and using quality materials. We are the A turnkey company provides a service from design to the final, fully functional and innovative building projects . We handle all aspects of a project, including design, engineering, procurement, construction, and installation.
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Latest review:
Painting & Decorating- 8 Jan 2026
Great job done - Bulent was quick to communicate and efficient in getting everything finished. He was careful to ensure a high standard of finish and I am very happy with the result. He even did extra bits like sealing our bathtub on top of the painting requested.
AK Electrical Services
Rating: 5 out of 5
Extension Builder in West Brompton
AK Electrical services is part of Crest Construction & Interiors Ltd. We carry out full building works from foundation to the roof. We are specialised in basement and underpinning works. Our trade people are fully qualified and we work to the highest standard. We have many years experience in domestic electrical and commercial installation. We provide electrical services for all domestic/ commercial projects. We are registered in ELECSA PART P SCHEME, 17th edition. All works are guaranteed.
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Latest review:
Fully electrify a new rear, 2 storey side, porch extension and shed. Arek was always the first one on site, worked very professionally, interacted well with the other builders and was happy to accommodate minor changes to the project. He suggested improvements to the the lighting layout and configuration were taken aboard. I highly recommend him and I'll also be using him to change my house consumer unit in the coming weeks.
Wisebuild Construction Ltd
Rating: 5 out of 5
Extension Builder in West Brompton
Hi, I've been in construction for 25 years, building many extensions, basements, loft conversions, new builds and many refurbishments. We carry out all aspects of the building process, including electrical wiring, plumbing, bathroom fit outs, carpentry, cabinetry, tiling, kitchen fitting and decoration.
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Latest review:
Restoration & Refurbishment- 13 May 2026
Paul was highly professional throughout the engagement. He provided clear, practical advice and took the time to thoroughly assess our needs during the consultation. He was also very responsive and proactive in following up on any questions we had afterwards, which we really appreciated. Overall, a great experience working with him.
Trend House Design limited
Rating: 5 out of 5
Extension Builder in West Brompton
Trend House Design limited offer independent carpentry and joinery 1&2, fix with certification NVQ LEVEL 3 specialise on refurbishments and high end floors over 9 years experience. We are proud to offer our advice reliable and friendly service within the South West London area.
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Latest review:
Joinery & Cabinet Making- 26 Jun 2024
Absolutely great service. The media was built exactly how we wanted. Nicolae would use his expertise to guide us and improve our design where appropriate. The end result was a unique and difficult to make arch media wall with integrated electrics and lighting
Loyalty Construction Ltd
Rating: 5 out of 5
Extension Builder in West Brompton
New to this platform, but backed by over 20 years of construction experience. At Loyalty Construction, we combine extensive industry knowledge with quality workmanship, honest communication and reliable service. From refurbishments and renovations to general building works, every project is completed with care, professionalism and attention to detail. To introduce ourselves to the platform and give our first customers the opportunity to experience the quality of our work, we are offering 10% off to our first clients. We look forward to earning your trust, delivering excellent results and building a strong reputation through genuine customer reviews.
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Latest review:
Rodrigo and team at Loyalty renovated our house, fixing lots of minor issues across the house from wear and tear. They were very flexible and did a great job across the whole house inside and outside. We have had lots of compliments since they did the work of how well the house is presented.
Vadym Kutsak
Rating: 4 out of 5
Extension Builder in West Brompton
I have 7 years in basement, underpinning, extension. Was working at company "Hughes design&build" Have good knowledge in job
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Latest review:
Groundwork & Foundations- 5 Aug 2026
Vadym was very careful and considerate to drive the digger through a very narrow gap with no margin for error. He did an excellent job to dig out the section and tidy away the mess. I would recommend and hire again
JM Building Service
Rating: 4.7 out of 5
Extension Builder in West Brompton
Hi my name is Joe from JM Building Service and I would like the opportunity to come and have a look at any works you require my services for. I look forward to meeting you. Thank you.
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Latest review:
Bathroom Fitting- 14 Mar 2025
My previous bathroom fitters did a very bad job with the bathroom and cloakroom toilet and left it unfinished. I am so glad I went with JM Building service as Joe and Martin completely transformed both rooms. They rectified the previous fitters errors and completed the rooms. Joe didn’t just rush through the job to get it done quickly—he took his time, ensuring every detail was finished to a high standard. He worked meticulously, making adjustments until everything looked exactly as it should, rather than settling for ‘good enough.’ His dedication to quality and precision was evident throughout, and the end result speaks for itself. As well as being very good at what they do, they are friendly, reliable, trustworthy and hardworking. I have already booked them in for another job and requested a quote for another. I highly recommend JM Building services for their professionalism and craftsmanship.

4.2

Top rated Extension Builders

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

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

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 West Brompton 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 West Brompton who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in West Brompton?

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

Find extension builders in West Brompton with MyBuilder

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

Step 2: Compare different extension builders in West Brompton

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

Step 3: Hire West Brompton extension builders with confidence

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

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

What to ask a West Brompton extension builder before hiring?

Before hiring an extension builder in West Brompton or extension building company in West Brompton, 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 West Brompton?

An extension builder in West Brompton 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 West Brompton 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 West Brompton?

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 West Brompton 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 West Brompton 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 West Brompton

Can an extension builder in West Brompton help with planning permission?

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

Many West Brompton 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 West Brompton help with materials and finishes?

Yes, most extension builders in West Brompton 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.