Extension Builders in Kensington, South London

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 Kensington, South London

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Gola construction
No reviews yet
Extension Builder in Kensington, South London
Gola-Construction Ltd is a young and dynamic construction company based in West London area. We aim to deliver excellent service to every customer, making sure the all process is stress free. We offer a range of services from general property renovations and refurbishments to extensions, side-returns, basements, loft conversions, plastering, kitchen fitting and bathrooms.
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linas builders
No reviews yet
Extension Builder in Kensington, South London
team of all trades with lots of experience in building industry. we only employ professional tradesman. Can provide reference by request. Honest, price competitive
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Blue Mark Construction ltd
No reviews yet
Extension Builder in Kensington, South London
We are a trusted and reliable building services company, offering a wide range of construction and renovation solutions. With our expertise and commitment to quality, we deliver satisfactory results for all types of building works Our building company boasts a remarkable 12-year track record in delivering exceptional building services. With a wealth of experience under our belt, we have honed our skills and expertise to provide top-notch construction solutions. Throughout the years, we have successfully completed numerous projects, ranging from residential properties to commercial developments. Our commitment to quality and attention to detail has earned us a stellar reputation in the industry. Clients can trust in our ability to deliver projects on time and within budget, while ensuring the highest standards of craftsmanship. From start to finish, our team of skilled professionals work diligently to bring our clients' visions to life. With our extensive knowledge and proven experience, we are the go-to choice for any building project.
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Orbital construction limited
Rating: 1 out of 5
Extension Builder in Kensington, South London
We a family run business and have been in the building business for 38 years . Our ethos is treat every project as it is our own and have pride in completing a scheme that satisfies all involved.
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Latest review:
Groundwork & Foundations- 10 Feb 2026
I Have arranged a site visit with ORBITAL CONSTRUCTION LIMITED they didn’t turn up no even answer the phone call .
We Do Foundations and Extensions Ltd
No reviews yet
Extension Builder in Kensington, South London
We are actively involved in the provision of top-quality residential and commercial construction services. We expertly coordinate every aspect of our client’s construction project, from design and planning to custom fabrication and on-site management.
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N.K carpentry
Rating: 5 out of 5
Extension Builder in Kensington, South London
NK Carpentry At NK Carpentry, we bring over 20 years of professional experience to every project, ensuring the highest level of detail and craftsmanship in all aspects of carpentry, joinery, and handyman services. Our fully qualified team specializes in: - Installing doors and fire doors - Kitchen fitting - Crafting bespoke wardrobes and cabinets - Building stud walls - Laying all types of flooring - Constructing timber roofs - Handling various handyman tasks - Performing any other carpentry works As a company owner, I take pride in leading a team that is fully insured and committed to excellence. Our strong labor connections and excellent client relationships ensure projects run smoothly, resulting in repeat business and satisfied customers. Contact us today to discuss how we can bring your carpentry and handyman projects to life with precision and care.
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Latest review:
Handyman- 20 Nov 2022
Excellent, arrived on time. Very professional
Jamie Coleman
No reviews yet
Extension Builder in Kensington, South London
All general building, inc, plastering, painting and decorating, plumbing, carpentry, I Am a qualified plumber after a 4 year apprenticeship, we have recently just completed a full refurbishment of a house - new bathroom, kitchen, laminate floor throughout the ground floor, plastered throughout, new doors, and fully decorated. We have just moved onto a single story extension.
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AJ brickwork
No reviews yet
Extension Builder in Kensington, South London
Bricklayer extensions and houses all types of walls
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PARM G BUILDERS & CONTRACTORS LIMITED
No reviews yet
Extension Builder in Kensington, South London
Hi, am parm hope u guys are fine I just want to say I love my work and I love to make people’s happy with my work so give us chance for all type of work extensions bathrooms paints electrics plumbings laminate flooring skirtings doors tiles thank you
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VDS PROPERTY SERVICES LTD
No reviews yet
Extension Builder in Kensington, South London
I have over twenty years of experience in construction work.
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Kallides&sons ltd
No reviews yet
Extension Builder in Kensington, South London
Kallides-Sons is a trusted design and build company based in South Ruislip, proudly serving clients across the surrounding areas. We offer a wide range of bespoke services designed to transform both the interior and exterior of your home with precision, creativity, and care. Every project we undertake is tailored to reflect your unique vision, combining functionality, beauty, and lasting quality Our expertise covers full refurbishments, kitchen and bathroom makeovers, home extensions, and detailed interior craftsmanship. Inside the home, we specialise in custom furniture, bespoke cabinetry, and fine woodwork, creating elegant and practical spaces that blend seamlessly with your lifestyle. Each piece of furniture and joinery is handcrafted to order, using premium materials and traditional techniques to ensure timeless appeal and exceptional durability. From concept to completion, our team works closely with you, offering expert guidance and creative insight to achieve results that exceed expectations. Beyond interiors, Kallides-Sons is equally passionate about enhancing outdoor living. We design and build patios, decks, and bespoke garden structures that extend your home’s living space and create beautiful, functional environment
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Prime Residential Developers LTD
No reviews yet
Extension Builder in Kensington, South London
Over 15 years on the market working with extensions, renews and improvements, always looking after quality and affordable agreements of houses, bathrooms, kitchen, roofing & maintenance services.
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Tung Developers ltd
No reviews yet
Extension Builder in Kensington, South London
Hi, I'm Malkit Singh – a professional bathroom fitter and general builder with over 5 years of hands-on experience transforming homes across the UK. Whether you’re dreaming of a sleek, modern bathroom or need reliable building work done with precision and care, I’m here to help make it happen. If you're looking for a reliable, friendly, and skilled tradesman who gets the job done right the first time – get in touch. I’d be happy to provide a free quote and chat through your plans.
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K&B LTD Limited
No reviews yet
Extension Builder in Kensington, South London
Over 15 years experience in Construction industry, For more information please message me THANK YOU.
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Monarch Building Solutions Ltd
No reviews yet
Extension Builder in Kensington, South London
Construction
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CONSTRUCT GROUP DESIGN & BUILD LTD
No reviews yet
Extension Builder in Kensington, South London
Construct Group | Design & Build We deliver premium extensions, loft conversions, refurbishments, and bespoke self-builds managing every stage under one roof for a seamless experience and nationwide reach Our process: Free consultation → Survey → Design → Planning → Building Regulations → Construction We handle everything from concept to completion, ensuring compliance, clarity on costs, and exceptional finish quality across every project. 📞 Book your free consultation today to discuss your plans and get clear next steps toward building approval.
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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 20 reviews from customers like you.

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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.