Extension Builders in Mitcham, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (22 reviews)

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Some of our top rated extension builders in Mitcham, Greater London

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SPB Building Services Ltd
Rating: 4.8 out of 5
Extension Builder in Mitcham, Greater London
SPB Building Services Ltd caters for both residential and commercial work. We offer high quality workmanship and competitive prices. We undertake both large and small scale projects and pay great attention to detail. Are you looking for a reliable and affordable building company to handle your next project? Contact us today and let us turn your vision into reality Whether you need a new home, an office, a renovation, or anything in between, we have the skills and experience to make it happen
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Latest review:
Bathroom Fitting- 4 May 2026
Very good would recommend
Bpm Contractors Ltd
No reviews yet
Extension Builder in Mitcham, Greater London
BPM contractors are a reputable company, known for our cost-effective prices. Our company offers both competitive pricing and flexibility to the needs of our customers. Some of our services include:General Maintenance,Refurbishment,PlumbingElectrical,Painting,Decorating,Carpentry,Flooring,Windows.
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Tori construction Ltd
No reviews yet
Extension Builder in Mitcham, Greater London
Plastering and rendering Al types
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C M Maintenance
No reviews yet
Extension Builder in Mitcham, Greater London
My business is formed as a sole trader business in 2002. Have been working in domestic and commercial sectors(hospitals,schools and public houses )We are construction and building company and have been building extensions, completely refurbishment ground work etc. We have also certificate as a instalers for flat roofs with all sort of membranes and provide our clients with NIC and Gas safe certificate for our complete work.
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Malling Masonry
Rating: 5 out of 5
Extension Builder in Mitcham, Greater London
Hello there. My names is Marc Howard from Peerless construction. We have many years experience on the construction industry and undertake projects from extensions to complete new builds. We pride ourselves on professionalism and a high standards. We can supply reviews and references upon request. Kind Regards Marc Howard
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Latest review:
Stonemasonry- 5 Oct 2020
Did a great job. Came on time - work completed efficiently- very pleased with the result. Neal
William rumball
No reviews yet
Extension Builder in Mitcham, Greater London
Specialists in all brick and building work
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Julianbeshi
No reviews yet
Extension Builder in Mitcham, Greater London
Julian beshi
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Lakeside Groundwork and demolition limited
No reviews yet
Extension Builder in Mitcham, Greater London
Foundations and drainage specialists, concrete basses, underpinning, demolition, paving, driveways, fencing, turfing, tree work, and much more, we have all the plant and necessary equipment for all jobs mentioned above, and our team of skilled workmen ensures that the jobs go smoothly, and on time and budget, digger/dumper driver hire available, 0.8 ton digger and micro dumper, 1.7 ton digger with breaker, 1 ton skip loading dumper
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Deep builders
No reviews yet
Extension Builder in Mitcham, Greater London
Hi, my name is Deep, and I’m the founder of Deep Builders. With over 10 years of experience in the construction industry, I specialize in all types of building work, including: • Home Extensions • Loft Conversions • Full Renovations • General Building and Maintenance At Deep Builders, we pride ourselves on delivering high-quality workmanship, clear communication, and reliable service from start to finish—no shortcuts, no surprises. I’m a professional builder with extensive experience in all types of building work, including home extensions, loft conversions, full renovations, and general construction. I’m dedicated to delivering high-quality craftsmanship, reliable service, and results that truly transform homes. We proudly serve clients across London, Manchester, Luton, and surrounding areas, helping homeowners bring their vision to life—whether it’s expanding space, updating interiors, or transforming a property from the ground up.
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Intercleanse Ltd
No reviews yet
Extension Builder in Mitcham, Greater London
Intercleanse have been established for approx 15 years and undertake all aspects of building works. We undertake building works for Greggs the Bakers, Sussex Housing Group, Leaders Estate Agents, Main Car Dealerships - Motorline. We also carry out customer care works for many big house building companies i.e Ward Homes
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Surgery Premises Group
Rating: 5 out of 5
Extension Builder in Mitcham, Greater London
Hi, We are Surgery Premises Group, while we are experts in healthcare properties, we understand residential and commercial works to keep our team busy and away from the biscuits in the office. Our team members are fully equipped and friendly. Look forward to helping you.
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Latest review:
Great experience. Easy to communicate with. Professional and clean, everything was sorted out 0 hassle. Highly reccomended.
Construction 6 Two Ltd
New on MyBuilder
Extension Builder in Mitcham, Greater London
Construction 6 Two Ltd , is a reputable company with a wide range of knowledge in the construction industry. With a combined experience in the industry of over 80years there is nothing that we can’t take on. Construction 6 Two Ltd takes pride in all its projects and only uses highly skilled trades men for the specified works needing to be carried out.
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Krrashi Construction & Design LTD
No reviews yet
Extension Builder in Mitcham, Greater London
At Krrashi Construction Design, we specialise in premium patios and bespoke landscape maintenance, creating outdoor spaces that are both elegant and built to last. With a strong eye for detail and a commitment to high-quality craftsmanship, we transform gardens into refined, functional environments tailored to each client’s vision. From beautifully designed patios to meticulous ongoing maintenance, we deliver a reliable, professional service that ensures your outdoor space always looks its best.
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Doda
No reviews yet
Extension Builder in Mitcham, Greater London
Hi mybuilder! I’m professional carpenter and roofer! I work with lofts and excitation! I have 10 years experience! My best point is to make the costumers happy and to be correctly with the process! Hope for the best!
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Lakeside groundwork and demolition ltd
No reviews yet
Extension Builder in Mitcham, Greater London
Hi We are a ground work and construction company offering all aspects from groundwork’s, Demoliton to new build extensions.
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Rabbit General Works
No reviews yet
Extension Builder in Mitcham, Greater London
Here at RGW we pride our selves for you the customer. All jobs are undertaken to the highest of standards a standard that we as tradesmen would be happy to have in our own family homes. Not only do we offer the highest of standards but we also offer the most competitive of prices. From full refurbishments,bathrooms,kitchen full garden landscapes and driveways, here really is no job to big or small. Covering all of London and the southeast for the last 10 years we have built up a large portfolio of satisfied customers who never hesitate to get in contact for their las test of projects.
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4.1

Top rated Extension Builders

Our Extension Builders in Mitcham, Greater London, are rated 4.1 out of 5 based on 22 reviews from customers like you.

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

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

What are the hourly rates of extension builders in Mitcham, Greater London?

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

Find extension builders in Mitcham, Greater London with MyBuilder

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

Step 2: Compare different extension builders in Mitcham, Greater London

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

Step 3: Hire Mitcham, Greater London extension builders with confidence

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

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

What to ask a Mitcham, Greater London extension builder before hiring?

Before hiring an extension builder in Mitcham, Greater London or extension building company in Mitcham, Greater 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 Mitcham, Greater London?

An extension builder in Mitcham, Greater 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 Mitcham, Greater 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 Mitcham, Greater 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 Mitcham, Greater 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 Mitcham, Greater 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 Mitcham, Greater London

Can an extension builder in Mitcham, Greater London help with planning permission?

Yes, many extension builders in Mitcham, Greater 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 Mitcham, Greater London handle everything from design to construction?

Many Mitcham, Greater 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 Mitcham, Greater London help with materials and finishes?

Yes, most extension builders in Mitcham, Greater 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.