Extension Builders in Clapham Junction

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (19 reviews)

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Some of our top rated extension builders in Clapham Junction

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Basra construction London LTD
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Extension Builder in Clapham Junction
Hi my name Manjinder we are based in West London and we do loft conversion extensions refurbished new built and all building work.
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Gill brothers limited
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Extension Builder in Clapham Junction
Gill brothers ltd is a trusted family run business based in the heart of West London with a decade of experience. Our fully qualified team of plumbers can cater to all your plumbing needs. We pride ourselves on our high standard of workmanship, using only the best tradesmen. Every project is completed with our clients desires at the forefront. We take pride in our work delivering effective communication, reliability and integrity to achieve cost saving measures and meet deadlines.
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ZNS Construction Ltd
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Extension Builder in Clapham Junction
We are a full service construction company. Typical works are extensions, loft conversions and refurbishments. We have vast knowledge in groundworks and drainage and formwork. Qualified electrician for the niceic
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Brother’s786 trading
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Extension Builder in Clapham Junction
Hi, I’m Harman Singh ,a trusted and experienced window and door installer with a strong focus on quality workmanship, reliability, and customer satisfaction. With 4 years of hands-on experience in the trade, I specialise in the supply and installation of: • uPVC, aluminium, and composite doors • Casement, sash, bay, and tilt & turn windows • Energy-efficient and secure glazing solutions I’m fully qualified, FENSA-registered, and committed to meeting all relevant building regulations and British Standards. Whether you’re upgrading your home or tackling a new build, I’ll work with you every step of the way to ensure a smooth, professional finish — on time and on budget. 💬 Friendly advice, clear communication, and no hard selling — just honest, high-quality work you can trust. I look forward to helping you improve your home!
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SOLO CONSTRUCTION MANAGEMENT LTD
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Extension Builder in Clapham Junction
Solo Construction is a leading design and build construction with an established and growing up reputation. Our extensive experience in London what allows us to understand and manage all risks and complexity in modern projects. Offering full architectural and interior design services what allows our clients to enjoy having their projects being in one safe hand from idea to completion. We undertake all types of building works from small refurbishment to new build.
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HS Building
No reviews yet
Extension Builder in Clapham Junction
i been working for 12 years. we always provide neat and clean service, everything should be in rule and regulated.
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Dragos
Rating: 3 out of 5
Extension Builder in Clapham Junction
Hello! My name is [Dragos Ganea] – Trusted Construction Professional With a solid background in the construction field, I dedicate myself to each project to deliver superior quality results. Whether you need interior renovations, finishing or structural work, I am here to turn your ideas into reality. I work closely with clients to understand their specific needs and provide personalized solutions. Punctuality, attention to detail and respect for established deadlines are my priorities. To see examples of my previous work and to discuss your project, do not hesitate to contact me. I look forward to collaborating and bringing your project to life together!
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Latest review:
Handyman- 26 Mar 2026
Very good with time and professional
CanDo Constractions
No reviews yet
Extension Builder in Clapham Junction
medium building company whit rich experience last 16 years in London and surrounding areas. Mobile and flexible. Have a good specialist whit specific skills and experience. Work hard , fast, clear and never leave a job incomplete.
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Super Active Partners Limited
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Extension Builder in Clapham Junction
A family owned construction company with over 40 years of experience. We provide our customers with the fastest and smoothest of services in order to get the job done quickly and efficiently. Good supplier relationships is a key factor to our success as it allows us to maintain our competitive edge.
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Domi landscape Ltd
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Extension Builder in Clapham Junction
Domi landscape Ltd Dedicated to transforming spaces into nature masterpieces
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Petru
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Extension Builder in Clapham Junction
We are a professional construction company specializing in bricklaying, paving, and house extensions. With a strong focus on quality and reliability, we deliver durable and aesthetically pleasing results for both residential and commercial projects. Our experienced team ensures every job is completed to the highest standards, on time and within budget.
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Gabriel builders
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Extension Builder in Clapham Junction
I like to work precisely and to please customers at the end of the work
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Danimatt Building
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Extension Builder in Clapham Junction
I am a hard worker and experience on construction projects,
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LBO Construction Ltd
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Extension Builder in Clapham Junction
All building work
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DG Property Services
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Extension Builder in Clapham Junction
DG Property Services is a top-notch business specializing in driveways, fencing, paving, extensions, and more. With a keen eye for detail and a commitment to excellence, they bring their clients' visions to life. From transforming outdoor spaces with beautiful driveways and fences to creating stunning extensions, DG Property Services is the go-to choice for all your property improvement needs. Trust DG Property Services to enhance your home and create spaces that you'll love for years to come! 🏡 Check out our website: https://dgpropertyservices.site/
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Euro Elite Projects Ltd
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Extension Builder in Clapham Junction
We are Euro Elite Projects, a London-based construction company established in 2024, we stand out for our experience, expertise, and commitment to excellence. Our seasoned team of contractors, with over 20 years in the industry, brings unparalleled skill to every project. From quality craftsmanship to great customer reviews, we prioritize attention to detail and fresh perspectives. Trust us as your partner in building dreams.Choose us for top-tier construction services that turn your vision into reality! Always here for you! Euro Elite Projects
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4.4

Top rated Extension Builders

Our Extension Builders in Clapham Junction, are rated 4.4 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 Clapham Junction?

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 Clapham Junction 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 Clapham Junction who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Clapham Junction?

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

Find extension builders in Clapham Junction with MyBuilder

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

Step 2: Compare different extension builders in Clapham Junction

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

Step 3: Hire Clapham Junction extension builders with confidence

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

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

What to ask a Clapham Junction extension builder before hiring?

Before hiring an extension builder in Clapham Junction or extension building company in Clapham Junction, 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 Clapham Junction?

An extension builder in Clapham Junction 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 Clapham Junction 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 Clapham Junction?

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 Clapham Junction 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 Clapham Junction 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 Clapham Junction

Can an extension builder in Clapham Junction help with planning permission?

Yes, many extension builders in Clapham Junction 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 Clapham Junction handle everything from design to construction?

Many Clapham Junction 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 Clapham Junction help with materials and finishes?

Yes, most extension builders in Clapham Junction 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.