Extension Builders in Mitcham

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (23 reviews)

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Some of our top rated extension builders in Mitcham

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House Refurb
Rating: 4.9 out of 5
Extension Builder in Mitcham
We have built our livelihoods on remodelling people’s homes, increasing their size and value. From the simple to the lavish, no matter how big or small, we’ve experienced it all and we can help you every step of the way offering a comprehensive service and take care of all aspects of your project, from initial plans through to full completion. Our skilled workforce of reliable professionals is on duty to offer you quality building work, competitive prices and exceptional customer service.
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Latest review:
Extensions- 24 Feb 2014
Narcis and his team listened carefully to my specifications and completed the job with an excellent finish. Throughout they were courteous and hard working. Highly recommended .
Tap 2 Loo Plumbing Services Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
I am a tradesman that has fifteen years of experience in all aspects of construction. Building extensions, loft conversion, kitchen fitting , bathroom fitting, refurbishments and fiberglass roofs
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Latest review:
Kitchen Fitting- 13 Apr 2023
Thank you Kyri (and team), I’m very pleased with my new kitchen and highly recommend your work, your attention to detail is outstanding and made a huge difference to the finish. A lot of preparation work was needed but it was worth it in the end and I’m very happy.
Carter's Brickwork
Rating: 5 out of 5
Extension Builder in Mitcham
Bricklayers with extensive knowledge in the trade, delivering the highest quality and customer satisfaction.
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Latest review:
Excellent service, prompt to answer request for work required and after sending photos came back with a price and time when work could be completed (I needed the job completed within 48hrs) Very polite and friendly, called on route to let me know approximate arrival time
T77 brickwork
Rating: 5 out of 5
Extension Builder in Mitcham
Experienced bricklaying specialist providing high-quality brickwork, blockwork and stonework for domestic projects. We carry out house extensions, new builds, garden walls, structural alterations and all general masonry work. We are committed to delivering reliable workmanship, honest pricing and a professional finish, ensuring every project is completed safely, efficiently and to the highest standard.
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Latest review:
Bricklaying- 29 Jul 2026
Brilliant trader. Repsoned, arranged, completed job the very next day. 100% recommended.
Making Rooms Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
We are a south London-based building firm that specialises in breathing new life into homes. We work closely with our clients,alongside visionary architects, engineers and designers to unleash potential in their house and realise new and improved spaces. Whether your house requires expansion,our team of specialists work tirelessly to deliver the perfect home for you. Making Rooms are a group of passionate and multitalented individuals whose soul mission is to make your living spaces better.
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Latest review:
Extensions- 25 Jul 2024
Garden Room done to ridiculous standard. See pics. 5 star work from the lads.
Tawfik Werfalli
Rating: 5 out of 5
Extension Builder in Mitcham
At Miko Construction, we specialise in high-quality residential refurbishments, extensions, and fit-outs. We’re a small, experienced team that takes pride in delivering well-crafted work with clear communication throughout. Whether it’s a full home renovation or a bespoke interior project, we bring a personal, hands-on approach from start to finish.
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Latest review:
Tawfik’s team was very professional and very knowledgeable, they done a great work including helping me with the design and understanding the process required to complete a project at this size, he completed the electrical work tested it and also included great ideas with the LED lights that made A beautiful design at the end, he also recommended a lot of subcontractors in the area are very competitive in their price and practically manage the project with me from inception to completion.
Mann Renovations & Electrical Services
Rating: 5 out of 5
Extension Builder in Mitcham
We are a family run safe and reliable firm with over 25 years experience in all aspects of renovation building & electrical work of all types. We also guarantee all our work, look forward to hearing you. Thank you Frank Mann
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Latest review:
Electrical- 24 Jun 2019
Quietly and professionally got on with the job with expert advice along the way. Very happy.
Jose Fernando
Rating: 4.4 out of 5
Extension Builder in Mitcham
We are an up-and-coming construction company focused on making your vision come to life! With years of experience and expertise, we are dedicated to providing high-quality construction services that exceed our clients' expectations. From new builds to renovations, our team of skilled professionals can handle any project with precision and care. Trust us to deliver exceptional results and turn your dream into a reality. Contact us today to get started on your next construction project.
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Latest review:
Carpentry- 20 Nov 2023
Jose did a great job for us. I have no hesitation in using him again!
ARPconstruction
Rating: 5 out of 5
Extension Builder in Mitcham
New on My builder not in bussines. Hello I am Alex, after 13 years working on the construction site 4 years ago i opened my own building company.At the moment I have 12 workers within these 12 works we cover a wide variaty of highley skilled services.I am the director of EvoBuild, and i will be responsible for the work that is carried out.We work monday to sunday to get the job done to a high standard.I will come out and discuss the job in person and endever to answer any questions you may have
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Latest review:
Handyman- 23 Mar 2022
Alex and his crew did a fantastic job on my property. They did the work on-time, to budget and to a very professional standard. The work required a wide variety of skills from painting, carpentry, plumbing and electrics. As I was unable to be on site Alex constantly kept me updated on progress with photos and videos. All in all I would highly recommend Alex and his team.
Towergate Design
Rating: 5 out of 5
Extension Builder in Mitcham
Towergate Design Studio is a London-based leading practice working in the residential and commercial sector. We have a reliable and excellent painting team with reputation for high-quality work, attention to detail, professionalism, including punctuality, clean communication and using quality materials. We are the A turnkey company provides a service from design to the final, fully functional and innovative building projects . We handle all aspects of a project, including design, engineering, procurement, construction, and installation.
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Latest review:
Painting & Decorating- 8 Jan 2026
Great job done - Bulent was quick to communicate and efficient in getting everything finished. He was careful to ensure a high standard of finish and I am very happy with the result. He even did extra bits like sealing our bathtub on top of the painting requested.
Choice
Rating: 5 out of 5
Extension Builder in Mitcham
CHOICE is a construction company specialising in house refurbishments across London. We cover all aspects of the construction service from demolition services, plastering,carpentry, plumbing and electrics, flooring to decorating. With many years of experience in construction industry, we provide attention to detail in every aspect of our work. Our pledge is to establish an interactive relationship with our customers and providing a superior level of service.
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Latest review:
Conversions - General- 26 Apr 2026
precise, and did the job, rapidly with a team of workers - left a bit of a mess but fine overall for their services
NB Building services
Rating: 5 out of 5
Extension Builder in Mitcham
Hi my name is Nikolay and I’m working with small team of 4 people more then 8 years!We are doing loft conversions,house extensions and full refurbishment!We have lot of jobs done and more then happy clients!Have a large range of recommendations!Public Liability Insurance also available!
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Latest review:
Extensions- 9 Oct 2022
We engaged NB Building Services to build an extension (new garage and room at the rear) and extensively refurbish/remodel a bungalow. I met a number of builders/building contractors but I felt immediately comfortable with Nick right from the start. It was the first time we were ever starting such a project and we wanted to follow our instinct and go with someone we could be comfortable with over the duration of the project. Right from the start Nick came across as someone who is genuine and who looks to understand your requirements. Also, as my project had a few uncertainties that could affect the scope of the project I was looking for some flexibility and I felt that Nick and his team could provide that. Nick and his team (Stefan, Boris and Ilco) work very well together as a cohesive team. Nick provided a day-to-day customer contact while scheduling tasks on the building site and coordinating material deliveries. Every member of the team worked a full day and on occasions where it was important to finish something on the day, they would stay late to finish the job. What impressed me most when the work started is that the entire team is multiskilled – they do everything from bricklaying, timberwork, roofing, plaster/skimming etc. This helped me immensely when there were minor changes or modifications. That meant we didn’t have to wait for the bricklayer or plasterer to return to the site again. Nick also operated the heavy machinery like digger/breaker etc. Once the initial structure was complete the team again impressed me with their attention to detail when they moved inside to lay down plumbing, electrical wires, gas pipes etc. Nick and Stefan took the lead on the fine finishing tasks inside while Boris and Ilco provided important support and completed a lot of other tasks inside and out. It was during this critical phase when communication is most important that I appreciated Nick’s effort to keep us informed. As far as quality of work is concerned while we were happy with everything, I think the tiling work of both Nick and Stefan is outstanding. Our project lasted for about 8 months and while there were lots of discussions on areas of the project that I did not understand and I asked a lot of questions and also changed my mind on some things I don’t remember I we ever even had a minor argument. This I felt was an important win. Nick was also generous with his time and provided help to other trades who came on site e.g. window fitters, garage door installers; boiler installers; electricians etc. Nick and his team returned a few months later to lay down a patio with porcelain tiles for us and also a driveway with block paving. Once again Nick and his team discussed with us in detail what we wanted and provided suggestions based on their experience.
Home Renovations Ltd
Rating: 5 out of 5
Extension Builder in Mitcham
We're a building company specializing in house extensions, loft conversions and refurbishments. Our clients come from New Malden, where we're based, but also surrounding areas. The vast industry experience enables us to provide valuable advice, professional services and individual approach, benefiting our customers. As we understand trust and credibility are crucial when undertaking such projects, we arrange viewings and provide customers with references and photos of our most recent projects.
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Latest review:
Extensions- 24 Jun 2017
We had a large piece of work done by Johan and his team. It was a 4m single storey rear extension with new kitchen installation, converting the old kitchen into a downstairs bathroom and utility room, plus other bits and bobs like new boiler, rear patio. We got quotes from a few builders, Home Renovations weren't the cheapest, they were actually towards the higher end. But we went and saw their previous work and spoke to some of their other clients. The work was done to a high quality and the clients seemed to be happy so we decided to go with them. Johan's team are very hard working, professional and polite. Pawel and his team of builders, bricklayers, plumbers, electricians, etc. would turn up before 8am and finish at 6pm working solidly throughout the day. There is Magda as the project manager who keeps you in the loop, and answers any of your questions (which we had many). There is Michaela on the finance side who keeps you up to date with the budget. Our budget went over by 5% with "variations" (extra work or materials) but it was always communicated why and the work wasn't done without our approval. Pawel would give his recommendations but the final word would always be ours. But these things can add up. Overall we were very happy with the build, it was done to a very high standard. They also finished it before time. They said it would take 12 weeks in fact they finished it in 10 weeks which was amazing as you would normally expect these things to go over.
JWC&BS LTD
Rating: 5 out of 5
Extension Builder in Mitcham
I am fully qualified carpenter with NVQ qualifications. I’ve had experience working with listed building, extensions , loft extension, roofing , first fix , second fix carpentry , kitchens and flooring
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Latest review:
Decking- 30 May 2020
Great work. Nice and tidy. Would use again for general carpentry needs.
B&CE CONSTRUCTION LTD
Rating: 4.9 out of 5
Extension Builder in Mitcham
I am versatile carpenter with a background in residential, commercial, and municipal construction and remodeling. With a strong foundation in carpentry and woodworking, I have expertise in framing, trim, windows, doors, and siding. I possess in-depth knowledge of the construction process, from material selection and techniques to tools and equipment.
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Latest review:
Carpentry- 14 Apr 2026
Great
lnk.brickwork
Rating: 5 out of 5
Extension Builder in Mitcham
LNK brickwork professional team has over ten years of experience in London's construction industry, working with commercial and residential customers locally. Property extension, build a garden wall, need a paving job done or plan a new build, you can count on LNK BRICKWORK. Our commercial projects include new construction, repairs and restorations. We can also plan, manage, and build multi-phase jobs.
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Latest review:
Bricklaying- 10 May 2019
Excellent work recently carried out to a very high standard. A very polite and professional team who delivered everything and more above my expectations. Would definitely recommend this company and use again.

4.1

Top rated Extension Builders

Our Extension Builders in Mitcham, are rated 4.1 out of 5 based on 23 reviews from customers like you.

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Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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

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 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 who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Mitcham?

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

Find extension builders in Mitcham with MyBuilder

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

Step 2: Compare different extension builders in Mitcham

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

Step 3: Hire Mitcham extension builders with confidence

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

What to ask a Mitcham extension builder before hiring?

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

An extension builder in Mitcham 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 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?

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 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 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

Can an extension builder in Mitcham help with planning permission?

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

Many Mitcham 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 help with materials and finishes?

Yes, most extension builders in Mitcham 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.