Extension Builders in Kensington, South London

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 Kensington, South London

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Parminder builder
No reviews yet
Extension Builder in Kensington, South London
Hi my name parminder builder we doing kitchen extention loft conversion bathroom tiling driway fencing all tipe building work I have 30years experience
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DDR Group Ltd
New on MyBuilder
Extension Builder in Kensington, South London
DDR Group Ltd is a professional building and refurbishment company providing high quality construction services across London and Essex. We specialize in bathroom fitting, kitchen installations, full property refurbishments, extensions, loft conversions, roofing, decorating, carpentry, groundwork, drainage and general building works.
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The Fool And The World Group LTD
New on MyBuilder
Extension Builder in Kensington, South London
We are an all-in-one renovation and kitchen company based in London, with over 22 years of hands-on experience in building, refurbishment, and kitchen installation. What makes us different is simple, we handle everything from start to finish. From the initial design and product selection through to full installation and finishing. No subcontractors, no passing you between different tradespeople. One team, one point of contact, one standard of work throughout. We have our own kitchen showroom in Sutton where customers are welcome to come and see kitchens, worktops, and finishes in person before making any decisions. This means you get proper design advice, not just someone turning up to fit whatever you've ordered online. Over 22 years we have completed hundreds of projects across London, full home refurbishments, kitchen renovations, bathroom installations, extensions, and general building work. We understand both the construction side and the design side, which means the job is done right and it looks right. We are straightforward to deal with, honest pricing, clear communication, and we see every job through to completion. Our reputation over 22 years has been built entirely on the quality of our work.
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Gur construction ltd
No reviews yet
Extension Builder in Kensington, South London
Gur construction ltd company is giving less costs as compared to others nd free valuation nd we provide good work
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Roman Pop
No reviews yet
Extension Builder in Kensington, South London
We have over 20years experience in construction.
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Nikorem Construction Ltd
No reviews yet
Extension Builder in Kensington, South London
Hi, Nikorem Construction Ltd is a company that is doing: extentions, full refurbishment , kitchens ,bathrooms....with 22 years experience .
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Mapna constraction ltd.
Rating: 4.2 out of 5
Extension Builder in Kensington, South London
Hi everyone, We are a family-run business with over 10 years experience and pride ourselves on our incredibly high-standard quality of work, customer rapport, competitive prices and efficient time-frames. With our customers' satisfaction held in the heart of our work, we will go the extra mile to ensure all needs and requirements are met and you are 100% satisfied with the end product. 'If it isn't good enough for our home, then it isn't good enough for yours'.
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Latest review:
Bathroom Fitting- 8 Apr 2026
Arash and the team were great - on the job on time every day - flexible in regards a lot of the fittings and adjustments. Very good price and work completed on time. Monies all agreed upfront, payment in part as based on progress. Will use again.
Yassine assroundi
No reviews yet
Extension Builder in Kensington, South London
Hiny builders have been a sole trader for the last 14 years , we do small and big jobs .all building works undertaking .
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Neville Finnikin
No reviews yet
Extension Builder in Kensington, South London
Hi, I'm a builder based in west London with 25+ years experience in groundworks, demolition and general building and landscaping. I have a small team who I work with that are all CSCS certified and very experienced and capable workers. Our aim is to offer high quality work while considering the clients needs in a safe and tidy manor.
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Morina Property Limited
No reviews yet
Extension Builder in Kensington, South London
At Morina Property we deliver bespoke Building and Maintenance services to home owners and businesses. Providing Consultancy Service, creating project plans and dealing with planning consent, services issues and supporting project owners in dealing with day to day issues including delivery of project on time and within budget. Specialised in refurbishments and development of properties. Property and Block Maintenance. Complete Project Management from beginning to end.
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P Multani Builder
No reviews yet
Extension Builder in Kensington, South London
I'm a builder. I do property repairs and carry out maintenance. I specialize in plastering, rendering and skimming. I have a great experience in these fields providing high quality finishing. The following are the jobs that I carry out on regular basis: *Properties refurbishment *Extensions *Driveways *Loft conversions *Bathrooms (complete bathroom job) *Garden patios, fencing, decking, turf, artificial grass All work carried out to the highest standards by professional team.
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J&S Wallington
No reviews yet
Extension Builder in Kensington, South London
Our company specializes in the construction of lofts and extension, We also make bathrooms and kitchens.
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New tech design&build ltd
No reviews yet
Extension Builder in Kensington, South London
We run a business which aims to exceed the customers expectation. We work closely with each client to ensure that we offer the very best service possible, our goal is to provide 1st class services. We work to an extremely high standard and are meticulous with cleanliness and hygiene , we understand the importance of keeping our customers' homes clean, and this reflects by our customer reviews We regularly review our pricing to ensure we are always competitively priced.
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ARZ Design & Construction Ltd
No reviews yet
Extension Builder in Kensington, South London
We are a construction company with a proven track record of delivering high-quality building services. Over the years, we’ve built a reputation for excellence through our commitment to craftsmanship, attention to detail, and a strong focus on customer satisfaction. Our expertise spans across a wide range of services, including new builds, office fit-outs, full property renovations, loft conversions, extensions, and external works, as well as property maintenance and management. Whether it’s creating a bespoke family home from the ground up or breathing new life into an existing property (Residential or commercial), we bring the same level of dedication and care to every project we undertake. At the heart of our business is a simple but powerful ethos: “Do it once, do it right.” This principle guides everything we do — from the quality of materials we use to the professionalism of our team and the clarity of communication with our clients. Why Choose Us? 1. Professionalism: We approach every project with integrity, transparency, and a clear sense of responsibility. 2. Quality-Driven: We never cut corners and always strive for excellence in workmanship and finish. 3. Agile: We are flexible and adaptable, able to respond quickly to challenges and client needs. 4. Trustworthy: Our clients trust us to deliver on our promises, and we take that trust seriously. 5. Clear Communication: We believe clear, open, and honest communication is key to successful outcomes and lasting relationships. Our success is reflected in the positive testimonials and long-term relationships we’ve built with our clients, many of whom return to us for future projects or refer us to others with confidence. If you’re looking for a construction partner in London who combines experience, reliability, and a commitment to quality, we’d be delighted to discuss how we can help bring your vision to life
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SSS construction
No reviews yet
Extension Builder in Kensington, South London
i like working clean and fast
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Ludhiani builders limited
No reviews yet
Extension Builder in Kensington, South London
Hello am aniket, a residential builder with 6 years of experience I specialize in sustainable and energy-efficient new construction and I focus on delivering high-quality,custom homes that stand the test of time
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4.2

Top rated Extension Builders

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

Quality screening

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What types of services are offered by local extension builders in Kensington, South London?

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 Kensington, South London 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 Kensington, South London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Kensington, South London?

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

Find extension builders in Kensington, South London with MyBuilder

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

Step 2: Compare different extension builders in Kensington, South London

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

Step 3: Hire Kensington, South London extension builders with confidence

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

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

What to ask a Kensington, South London extension builder before hiring?

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

An extension builder in Kensington, South London 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 Kensington, South London 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 Kensington, South London?

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 Kensington, South London 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 Kensington, South London 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 Kensington, South London

Can an extension builder in Kensington, South London help with planning permission?

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

Many Kensington, South London 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 Kensington, South London help with materials and finishes?

Yes, most extension builders in Kensington, South London 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.