Extension Builders in Clapham Common

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (16 reviews)

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Some of our top rated extension builders in Clapham Common

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Harkiratkitchenandcupboard
No reviews yet
Extension Builder in Clapham Common
We are specializes in the installation of new kitchens,repair old kitchen and cupboard fitting. we understand the significance of selecting the right materials to enhance both the beauty and functionality of your space. Our company provide new kitchen solutions,from kitchen islands and cabinets to premium worktops and full kitchen fitting services available.
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Sapphire Renovations
No reviews yet
Extension Builder in Clapham Common
Our company was first established in 2014 but we have a vast amount of knowledge and a great deal of experience in the Building trade. We also build and manage our own portfolioof high-end rental estates in London. We have a friendly team of professional and are highly recommended for our high standard of work. You will find our company provides 100% satisfaction to both residential and commercial customers. Our team of professionals are well trained and fully equipped to handle any size job. Our company is London based, so naturally most of the clients we work with come from London. However, we still deal with customers in a number of surrey areas just outside of London and can accommodate going further.
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Anthony Sharpe
No reviews yet
Extension Builder in Clapham Common
Sharpe the loft conversion and extensions planning and building control specialist,prides itself on quality and service. We also teams of fully trainned loft & extension builders wich we can recommend .Our Specialist tradesmen can ensure top quaility workmanship.
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London Decorations and Refurbishment Ltd
New on MyBuilder
Extension Builder in Clapham Common
London Decorations and Refurbishment Ltd Building Better Homes Across London ABOUT US At London Decorations & Renovations Ltd, we specialise in high-quality home improvements designed to transform properties into modern, functional, and beautiful living spaces. With experience across residential construction, extensions, refurbishments, and bespoke renovations, we deliver projects with professionalism, transparency, and attention to detail from start to finish. Whether you are planning a house extension, full refurbishment, loft conversion, or interior upgrade, our team is committed to providing reliable workmanship and exceptional customer service.
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SV loft conversion ltd
Rating: 1 out of 5
Extension Builder in Clapham Common
I do all types off building work. I like loft conversion speacialist extension like kitchen, brick work,bathroom,outside dommer and all types of roofwork etc.
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Latest review:
Fencing- 22 Jan 2023
Extorting the price to the max.
Adds Construction ltd
No reviews yet
Extension Builder in Clapham Common
I work in building general construction E.g. landscaping, plastering, plumbing, carpeting, fixer My company name: ADDS CONSTRUCTION
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Blose Architectural Services
Rating: 4 out of 5
Extension Builder in Clapham Common
Blose Architectural Services is focused on delivering projects on time, on budget and to the highest quality by using innovative design solutions. We work with householders, contractors and other professionals specialising in finding technical solutions that take projects from the drawing board to completion. We excel in preparing and submitting planning and building regulations applications, helping our clients realise their dream projects.
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Latest review:
Architecture- 24 Jun 2025
Absolutely disaster. He did not complete the job after receiving his full payment and could not get hold of him again. I had to deal with the council and application. Scam!
Spark plug electrician ltd
No reviews yet
Extension Builder in Clapham Common
We do all sort of renovations work.Any types of extensions work,new bathroom,kitchen fixtures fittings.
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Fatmir kraja
No reviews yet
Extension Builder in Clapham Common
We are doing bricklaying for almost 25 years. Working all over the London doing extension and building houses from scratch to top.
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London Beca Construction LTD
No reviews yet
Extension Builder in Clapham Common
Quality, professionalIty on all type of services required. We cover all type of constructions, repair and maintenance.
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Starlight Distribution Ltd
No reviews yet
Extension Builder in Clapham Common
All construction work undertaken, specialising in kitchen extensions, loft conversions and outbuilding/annexes. We aren’t the cheapest quote. The quality of our work, completed in a timely manner makes us outstanding with 80% of our clients repeat customers! We will NEVER: Take your money and run ❌ Leave a job incomplete ❌ Ask for more money than agreed ❌ Be a nuisance and inconvenience ❌ We even bring our own kettle so you don’t have to make us tea!
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4AR Construction LTD
No reviews yet
Extension Builder in Clapham Common
4ar Construction Ltd are a trusted and professional company dedicated to the highest standards in every aspect of our trade, with over 6+ years experience. Plumber engineer services. We are based in Stratford. We undertake domestic plumbing, our services provide the safest solutions and the highest quality standard of work. Bathroom Refurbishment Bathroom renovation Plumbing Maintenance Radiator Installations Emergency Call-Out Home emergency Just some of our Services and Repairs: New build houses Extension and conversion Porches Tilling Radiator Installations Power Flush Tap Replacement All Leaks & Bursts Washing Machine/Dishwasher Installations Bathroom/Shower Installations Shower Pump installations Floor & Wall Tiling Outside Taps Stopcocks Plumbing, Bathroom refurbishment. And more... We consider no job too big or too small! Our aim to always exceed your expectations.
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GALLERY INTERIORS (SOUTH EAST) LIMITED
No reviews yet
Extension Builder in Clapham Common
General Builder and Refurbishment Specialist running for 18 years based on South East London. - Basement Excavations - Complex Structural and MEP Packages - Large Extensions and Whole House Refurbishments - Working on projects from £100k to £3m+ - Large, direct labour force and expert PM services from Senior Management
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Kanstantsin Ivanou
No reviews yet
Extension Builder in Clapham Common
I’m a versatile handyman with extensive experience in repair and maintenance. Contact me if you need something fixed or improved in your home. Quality and reliability guaranteed.
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Dr Repair Ltd
No reviews yet
Extension Builder in Clapham Common
Founded just under a year ago, DR REPAIR LTD has quickly secured contracts with some of the largest housing associations in the UK. We've successfully completed thousands of jobs across London, ranging from quick fixes to extensive, weeks-long projects. Our skilled multi-traders consistently deliver high-quality results. Additionally, we've been entrusted with numerous disrepair cases, where housing associations, having lost court disputes with tenants, rely on us to carry out repairs to the highest standard.
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CONSTRUCT GROUP DESIGN & BUILD LTD
No reviews yet
Extension Builder in Clapham Common
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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Top rated Extension Builders

Our Extension Builders in Clapham Common, are rated 4 out of 5 based on 16 reviews from customers like you.

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What types of services are offered by local extension builders in Clapham Common?

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 Common 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 Common who are available and interested can respond to your post.

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

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

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

Find extension builders in Clapham Common with MyBuilder

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

Step 2: Compare different extension builders in Clapham Common

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

Step 3: Hire Clapham Common extension builders with confidence

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

What to ask a Clapham Common extension builder before hiring?

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

An extension builder in Clapham Common 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 Common 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 Common?

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 Common 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 Common 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 Common

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

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

Many Clapham Common 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 Common help with materials and finishes?

Yes, most extension builders in Clapham Common 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.