Extension Builders in Kensington, West London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (19 reviews)

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Some of our top rated extension builders in Kensington, West London

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Hasanozdemir
No reviews yet
Extension Builder in Kensington, West London
I have been working in the construction industry for 7 years, and I do painting, repair, parquet ,laminate flooring, partitions, loft construction, garden works, pavement, digging, demolition, fencing etc.
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Shedcraft & Co LTD
No reviews yet
Extension Builder in Kensington, West London
We specialise in designing and building high-quality granny annexes, garden rooms, and bespoke sheds. From concept to completion, we deliver fully insulated, durable, and beautifully crafted spaces tailored to your lifestyle. Whether you need extra accommodation, a home office, or a functional outdoor room, we create practical, stylish solutions built to last.
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K&L Fixing Ltd
No reviews yet
Extension Builder in Kensington, West London
Hello I’can offer any type of refurbishment Loft conversion,side extension Kitchen,bathroom,laminate,painting
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Get 2 go ltd
No reviews yet
Extension Builder in Kensington, West London
Hello, My name is Ash, and I am a builder with over 12 years of experience. I commenced my career with a roofing company, where I acquired essential skills and developed my own expertise. Over the years, I have engaged in various tasks, including wiring, plumbing, partitioning, and developing numerous skills. Today, I am capable of constructing new-build houses, as well as renovating, developing, and repairing existing properties. I am based in West London and commute to various locations, including Reading, Surrey, Southall, and Heston. Hiring me provides you with my extensive experience knowledge, including high-tech wiring and fixture repairs. From changing a basic lock to replacing an entire door, I am capable of performing a wide range of tasks, both large and small. I am eager to assist you.
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HD Developments (London) Ltd
Rating: 5 out of 5
Extension Builder in Kensington, West London
HD Developments Ltd. For any building work down to even just maintenance, we cover every aspect of the building trade. A lot more information available through contact as we are new to my builder. Thank you.
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Latest review:
Very professional. Job completed in good amount of time. Communicated well with us throughout. Left the house/garden as they found it. Could not fault them and their work. Will definitely be using them for more work in the future! Thank you!
Out Build Group Ltd
No reviews yet
Extension Builder in Kensington, West London
Out Build Group Ltd are a loft conversion, extension and refurbishment specialist operating in London, Kent & Essex From concept to completion we work with you to add living space and value to your home. We have dedicated tradesmen that work within this specialised field to ensue we maintain high standard of workmanship.
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Gkr Builders Ltd
No reviews yet
Extension Builder in Kensington, West London
Reliable and Experienced Contractors with good work ethics. All building work undertaken from Extensions, Loft Conversions, roofing, Plastering, rendering, Brick laying, Tiling, Plumbing, kitchens, Bathrooms, Patio, driveways..
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Elite electricals
No reviews yet
Extension Builder in Kensington, West London
Elite Building is your local construction company specializing in home extensions, internal renovations, and general building projects. With over 30 years of experience, we have built a solid reputation for quality, craftsmanship, and customer satisfaction within our community. Our team of skilled builders, architects, and project managers work together to bring your vision to life, whether it's a small internal renovation or a comprehensive home renovation. Our Services Home Extensions: Custom-designed extensions that seamlessly integrate with your home. Internal Renovations: Kitchen remodels, bathroom upgrades, and complete interior makeovers. General Building Projects: New constructions, renovations, and refurbishments. Custom Design and Build: Bespoke projects reflecting your personal style and requirements. Project Management: Ensuring timelines, budgets, and quality standards are met.
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Ion
No reviews yet
Extension Builder in Kensington, West London
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Unico Develop ltd
No reviews yet
Extension Builder in Kensington, West London
At Unico Develop LTD, we offer quality services from small projects up to new builds for all clients at reasonable prices. Our courteous Construction Company staff have the professional tools and experience necessary to help with all your needs. With over 25 Years experience!
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Ecdl group ltd
No reviews yet
Extension Builder in Kensington, West London
From new builds to full renovations thats what we do. We design, we build we maintain.
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D&S Construction
No reviews yet
Extension Builder in Kensington, West London
We provide construction services from planning to competition. We specialise in new builds, renovations or fit outs! Flooring and conversions (lofts) or extensions! We also offer other services which cover any construction builds like new kitchen strip outs or installing a new bathroom STP.
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JS Construction & Property Maintenance Ltd
Rating: 5 out of 5
Extension Builder in Kensington, West London
We have over 20 years of experience in the building, construction and property maintenance industry. Whatever your building needs maybe, we can provide support starting from initial consultation, drafting your plan, finalising budgets, designing, building and aftercare support.It’s all about headache-free work .References are available on request .we would always invite you to visit a property we have or are working on so you can view our workmanship. We have excellent reviews on Check a Trade .
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Latest review:
Extensions- 13 Apr 2023
Jas and his team were fantastic and completed the initial build in a wonderful timeframe. Highly recommend Jas.
McKees Design and Build
Rating: 4.9 out of 5
Extension Builder in Kensington, West London
McKees Design & Build is a family run business with over 25 years experience in creating beautiful functional spaces that you will enjoy for years to come. Our dedicated team specialises in a wide range of services, including kitchen and bathroom refurbishments, stunning extensions, and seamless garage and loft conversions. We also offer expert painting and decorating as well as outdoor services like paving and fencing. We take pride in our attention to detail and dedication to customer satisfaction, ensuring a smooth and enjoyable refurbishment process from start to finish.
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Latest review:
Bathroom Fitting- 30 Jun 2026
The job was done well
B.K.Builders PRO LTD
No reviews yet
Extension Builder in Kensington, West London
We're small and experienced building company, has been on the market for 15 years. We provide all types of building services i.e. still works, plumbing, electric, carpentry, painting, decorating. All types of building works undertaken but loft conversion and house extension preferred. References upon request.
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HMCS Builders Ltd
No reviews yet
Extension Builder in Kensington, West London
House Modification Constructing Services. Loft conversion, Extensions, New builds and general buildings works.
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4.2

Top rated Extension Builders

Our Extension Builders in Kensington, West London, are rated 4.2 out of 5 based on 19 reviews from customers like you.

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What types of services are offered by local extension builders in Kensington, West 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, West 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, West London who are available and interested can respond to your post.

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

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

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

Find extension builders in Kensington, West London with MyBuilder

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

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

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

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

After gathering all the information and quotes from your chosen home extension builders in Kensington, West 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, West London extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

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

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

An extension builder in Kensington, West 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, West 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, West 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, West 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, West 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, West London

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

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

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

Yes, most extension builders in Kensington, West 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.