Extension Builders in North Kensington

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (20 reviews)

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Some of our top rated extension builders in North Kensington

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UTALE
Rating: 4.7 out of 5
Extension Builder in North Kensington
UTALEE PLASTARING Drylining RENDERING General buildings
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Latest review:
Plastering- 12 Jun 2026
Great communication clear pricing and really good and effecient work. Will use again!
KG BUILD
Rating: 5 out of 5
Extension Builder in North Kensington
With your specifications and our expertise, we happily take on any building work and produce excellent results. Extensions, Loft conversions, kitchens, bathrooms, garden rooms/studios/outbuildings, roofing, flooring, carpentry and joinery etc
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Latest review:
Carpentry- 13 Dec 2025
Kwame did a great job and was thoughtful, communicative and very skilled with the work he was carrying out on our joists. I would recommend KG build to anyone looking for a good price and a high standard of work.
R Hamandi Limited
Rating: 5 out of 5
Extension Builder in North Kensington
R.Hamandi Limited was established in January 2010 and firm in London, providing construction management, general contracting and consultant services. RHL specialises in construction and restoration of private and commercial sector in the heart of London including Residential refurbishment,Commercial,New build,Design and build, Basement construction, Kitchens specialists, Listed buildings, Sustainable buildings
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Latest review:
My colleague referred me to Raed who previously have had used R.Hamandi Ltd for construction work and they were very happy with the quality of service. Along with some other building company's last year I also contacted Raed for an estimate. Raed gave us a reasonable price with all the details of proposed work. He also explained about the possible options of how we could get the best value for our money. His professional and friendly advice helped us a lot to understand what exactly we needed and what was best for us to go ahead for our project. We decided to go ahead with R.Hamandi ltd. Raed gave us breakdown of the project and everything was documented. His support in communicating with council and planning related issues was valuable. All the planning permission requirements were followed. Presence of experienced and trust worthy staff including laborers, handymen, carpenters and painters really made it easy for me and family to be around and comfortable while they were working or to leave the house whenever we had to. Raed himself used to visit the site everyday to oversee the progress and used to discuss and take care of any possible issues. Raed's team used to turn up on time and the project was finished on time too. Even after the completion of the project staff at R.Hamandi ltd and Raed himself contacted us few times to find out if we're happy with the work carried out or if we needed any further assistance. Now we have a fully refurbed house with double side extension and loft conversion. Overall amazing service, professional, reliable and trustworthy. I recommend R.Hamandi ltd to everyone for an A+ service. Thanks,
Adam Renovations Ltd
Rating: 5 out of 5
Extension Builder in North Kensington
Adam Group Ltd is an established residential construction and development company, incorporated in 2010, specialising in high-quality refurbishments, extensions, loft conversions and new build projects across London and the South East. We work with homeowners, investors and local authorities on projects ranging from £150,000 to £3 million, covering everything from full house refurbishments and structural reconfigurations to large-scale extensions, loft conversions and ground-up developments. Since inception, we have successfully delivered over 250 projects, building a strong track record for reliability, quality and consistent delivery. In 2025 alone, the company achieved a turnover of £4.5 million, reflecting both our capacity and the level of projects we undertake. Our team provides an end-to-end service, including planning coordination, structural works and full construction delivery. We are experienced in working alongside architects, engineers and local authorities to ensure projects run smoothly and comply with all regulatory requirements. We maintain a 4.9-star rating on Google, with the majority of our work coming from repeat clients and referrals — a testament to our professional approach, clear communication and attention to detail. If you are planning a refurbishment, extension or new build and want a contractor with a proven track record and the capability to deliver complex residential projects, we would be happy to discuss your requirements.
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Latest review:
Loft Conversion- 5 May 2017
Artjom and his team have done a wonerful job on our loft conversion and house renovation. We are very pleased at the transformation. Although not the cheapest quote we obtained, they were highly professional, kept the noise down and cleaned up after themselves. We also added several other jobs to our initial quote and they undertook these as requested. It is important to keep a record of everything you ask to be done. They worked very fast and were able to complete everything within 2 months - it helped that our house was empty at the time, so they didn't have to deal with us living there at the same time as the works were being carried out. Overall, I would highly recommend Adam Renovations for any building works you need done to your property.
MAF Contacts
Rating: 5 out of 5
Extension Builder in North Kensington
Hello, My name is Dan Maftei, Founder of MAF Contracts ltd. MAF offers a range of services like demolition( stripping out), Plumbing, Electric, Rendering and Plastering, Painting and decorating, Tiling, Flooring, Carpentry first fix and second fix, Paving, Roofing, extension and Loft conversion. We can deal with big projects as well as small ones. Thank you, Dan Maftei
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Latest review:
Restoration & Refurbishment- 29 Dec 2018
Amazing work. A job very well done. Very hardworking people and high quality work. All was delivered exactly as agreed in time and to perfection. Thank you again for transforming my flat in such a lovely space.
Compact Building Ltd
Rating: 4.8 out of 5
Extension Builder in North Kensington
Compact Building LTD Renovations | Refurbishments | Plumbing – Across London From full home makeovers to small upgrades, we deliver expert results with 0% interest payment options. Make It Compact. Make It Perfect.
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Latest review:
Bathroom Fitting- 21 May 2026
Petru fitted a new shower tray. It was a complicated job due to the location of the piping. Petru was very meticulous and ensured he completed the job correctly and to a high standard.
Iulian Isac
Rating: 5 out of 5
Extension Builder in North Kensington
Good work Good quality Experience in building
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Latest review:
Bricklaying- 11 Jun 2026
Lulian built us a brick wall. His attention to detail and expertise were both fantastic and we are beyond delighted with the result. He was reliable, professional and took great pride in his work. We will be using him again and will be recommending him to all. Thanks for doing a great job at a very competitive price.
HomeDeco
Rating: 4.9 out of 5
Extension Builder in North Kensington
We believe that every project deserves attention to detail, quality craftsmanship, and a commitment to excellence. Whether it's construction, renovation, interior finishing, or home improvement, our goal is simple: to deliver results that exceed expectations and create spaces our clients are proud of. We are committed to completing high-quality projects on schedule and within budget while maintaining the highest standards of workmanship, safety, and reliability. We take pride in building long-lasting relationships based on trust, reliability, and customer satisfaction. Our success is measured not only by the quality of our work but also by the confidence our clients place in us. After all, happy clients become returning clients :))
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Latest review:
Extensions- 4 Feb 2019
We have had the best possible experience dealing with Home Decorating. Gin and Jon are a powerful team effectively combining Gina's client facing capabilities with Jon's immense building experience. Highly recommended!
Johny's Brickwork Ltd
Rating: 4.9 out of 5
Extension Builder in North Kensington
I have 7 years experience as a bricklayer and i ve done garden wallls, extensions, garages.
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Latest review:
Extensions- 6 Nov 2023
I hired John to do my Outbuilding Shell only. The work included demolishing existing structure, foundations, Block and Beam, EPDM roofing, Cavity Block works and Soakway. All aforesaid works were carried to highest standards and I am very pleased with works. John is friendly, reliable and trustworthy. I would use his services again and recommend him to others.
Vali colour
Rating: 5 out of 5
Extension Builder in North Kensington
Hello my name is Vali , I have been working in the construction industry 20+ years in this time I have run a small business in Italy ,built houses in Romanian and I am currently working in London as a bricklayer .
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Latest review:
Bricklaying- 1 Oct 2019
Excellent work on budget and time
M-CBS Mario Carpentry & Building Services
Rating: 5 out of 5
Extension Builder in North Kensington
We offer a wide range of services from small repairs to full extensions, conversions and refurbishments. We cover interior and exterior work for both residential and commercial clients All work is carried out by highly skilled and qualified craftspeople.
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Latest review:
Bathroom Fitting- 15 Nov 2017
Mario was an absolute gem from start to finish. After a leak left our only bathroom out of action Mario came in and managed the full project to perfection (and also had a great tiler and electrician who did some other works). Six months on and I cannot fault any of the works. Highly recommended.
Lucian
Rating: 5 out of 5
Extension Builder in North Kensington
I offer quality and good prices
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Latest review:
Groundwork & Foundations- 14 Mar 2026
He was brilliant. Started on time. Neat, tidy, polite, and overcame unexpected obstacles. Completed the job. I would recommend him, and I will use him for our other jobs.
DNR Maintenance LTD
Rating: 5 out of 5
Extension Builder in North Kensington
Good team with over 40 year's experience within the building industry, No job to small or big. Very affordable from start to finish even when customers move the boundaries of the finishing line of a job requested. We're opened minded to customers goals ambition, comfortable living and progress in life. Any contractors needed to carry out any jobs are specialised at their craft at hand. which always gives customers peace of mind and quality. All works shall be paid at stages of projects.
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Latest review:
Waste Clearance- 9 Jan 2026
First to respond, reasonable price and very prompt. From first contact to removal was within 2 hours. Left site spotless. Will definetely use again. Thanks Dave
Tommy Construction
Rating: 5 out of 5
Extension Builder in North Kensington
Tommy Construction I offer a full range od home refurbishment services including:plastering,painting,decorating,Floors,woodwork,tiling, Plumbing,electrical services,complete house renovations,driveway,porch,patio,decking,brickwork. I have 13 years experienced and skilled team that can adapt their skill-set to many tasks.
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Latest review:
Bathroom Fitting- 19 Feb 2022
We were very impressed with Tommy Constructions. We have recommended him to friends. He was very professional. He finished the job when he said he would - to a very high standard. We are very happy with our new bathroom.
Graal Structural Engineering Ltd
Rating: 5 out of 5
Extension Builder in North Kensington
We offer Structural Desing and Calculations for New Build, Extensions, Loft Conversions, etc. Detailed drawings and calculations for Building Control. We offer one-stop-shop services including, planning applications, architectural & structural design, cost estimations, project management and construction works.
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PLANNING APP LTD
Rating: 5 out of 5
Extension Builder in North Kensington
We create architectural drawings. We are specialised in applications for planning permission and building regulations and co-operate with local structural engineers for structural calculations, party wall surveyors and building companies. Our projects include extensions, lofts, garages, house&flat conversions in different councils all around London. If you are thinking of extending, converting, or splitting your property do not hesitate to contact us for a free first consultation & quotation.
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Latest review:
CAD / Drawings- 23 Sep 2020
Marius has been doing a great job and put in an extra effort to ensure we were happy with the outcome. I can not recommend Marius highly enough, especially as he managed to fix an issue with the council that we had from someone else drawings. He was patient and very well prepared. Went an extra mile and gave us different ideas/options. He was flexible with timings and most importantly with price. Had by far the best quote and did an exceptional job.

4.2

Top rated Extension Builders

Our Extension Builders in North Kensington, are rated 4.2 out of 5 based on 20 reviews from customers like you.

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

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 North Kensington 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 North Kensington who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in North Kensington?

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

Find extension builders in North Kensington with MyBuilder

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

Step 2: Compare different extension builders in North Kensington

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

Step 3: Hire North Kensington extension builders with confidence

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

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

What to ask a North Kensington extension builder before hiring?

Before hiring an extension builder in North Kensington or extension building company in North Kensington, 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 North Kensington?

An extension builder in North Kensington 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 North Kensington 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 North Kensington?

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 North Kensington 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 North Kensington 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 North Kensington

Can an extension builder in North Kensington help with planning permission?

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

Many North Kensington 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 North Kensington help with materials and finishes?

Yes, most extension builders in North Kensington 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.