Extension builders in Kingston Upon Thames, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.6 (21 reviews)

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Some of our top rated extension builders in Kingston Upon Thames, Greater London

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RSL Renovation Ltd
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
We are a trusted and experienced general contracting company, delivering high-quality craftsmanship across all areas of construction, extensions, alterations, and refurbishments. With a commitment to excellence and attention to detail, we bring your vision to life— on time and within budget. Our Services Include: • General Building – Full refurbishments and renovations tailored to your needs • Extensions & Loft Conversions – Expertly designed to enhance space and value • Bathroom & Kitchen Installations – Stylish, functional, and built to last • Floor & Wall Tiling – Precision tiling for a flawless finish • Carpentry & Joinery – Custom woodwork and structural solutions • Plumbing & Electrical Work – Safe, certified, and up to code • Interior & Exterior Decorating – Transforming spaces inside and out • Garden Landscaping, Fencing & Paving – Creating beautiful and practical outdoor areas • Maintenance Services – Reliable upkeep for homes and businesses Whether it’s a complete renovation or a small upgrade, we approach every project with professionalism and pride.
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Eliana Solution Ltd
New on MyBuilder
Extension Builder in Kingston Upon Thames, Greater London
13+ years of loft conversion experience. Quality workmanship,honest service and attention to detail.From start to finish,I deliver loft conversion built to last.
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Victoria Park Interiors ltd
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
I’m a 61 year old hard wood joiner, I’ve worked on big projects all my working life, And a vast array of buildings, I worked for a company for 20 years and specialise in high end interiors and building works.
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Longstone Builders Limited
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
We are a family run building company, established in the year 2000. Our prices have always been found to be very reasonable and most of our work has been from word of mouth without the need to advertise. The majority of our work has been the conversion of houses into flats, but we have also undertaken numerous new builds, extensions and loft conversions. All our work is fully guaranteed and insured for all liabilities.
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LBS LANGTON LTD
Rating: 5 out of 5
Extension Builder in Kingston Upon Thames, Greater London
WE ARE A BUILDING, GROUNDWORKS AND DEMOLITION SPECIALIST COMPANY WITH 28 YEARS IN THE INDUSTRY. WE PRIDE OURSELVES ON DOING THE JOB PROPERLY AND ON TIME WORKING WITH CLIENTS TO GET THE VERY BEST RESULTS
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Latest review:
Groundwork & Foundations- 25 Jul 2025
Ralph and his team did a fantastic job making a concrete base for a summer house He was reliable, charming and did a few extra jobs while he was here ! Ralph,Charlie, Roy and Captain were a pleasure to meet and we recommend this company wholeheartedly
Prime Residential Developers LTD
No reviews yet
Extension Builder in Kingston Upon Thames, Greater 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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Danimatt Building
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
I am a hard worker and experience on construction projects,
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Rafal Decor
Rating: 5 out of 5
Extension Builder in Kingston Upon Thames, Greater London
Decor Property LTD, provides a full building service. We are experienced builders who gives you highest quality work and very competitive quotes. We specialize in: • Extensions • Basements • Conservatory • Loft/Flat roof/Fibreglass • Asbestos removing • Brick work/Pointing • Plastering • Painting/Decorating • Wall papering • Tiling • Electrical jobs • Plumbing • Door/Windows supply • Kitchen/Bathroom • Carpentry/Staircase/Flooring • Bespoke furniture • Gardens
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Latest review:
Extensions- 13 Oct 2019
Rafal is a professional builder and has done the job properly. He is polite, punctual and experienced. I would rate him 9/10.
Trim Art Pro Ltd
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
General buider
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JG
Rating: 5 out of 5
Extension Builder in Kingston Upon Thames, Greater London
More than 15 years of experience in general building from groundwork’s to french polishing. Working for years with one of the biggest North London construction company as a carpenter supervisor. I feel content of my good work outcome. Would like to work weekends and evening times!
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Latest review:
Carpentry- 15 Jun 2026
Really great experience! Friendly, helpful and available at short notice. Did a great job. Super happy with everything. Would definitely hire again.
TSA Global Ltd
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
TSA Construction specilaise in a wide variety of building projects in London and the home counties. From property renovation and maintenance to new design and build we provide a one stop shop for all things building related. Our team has over 20 years of experience of working in the building and construction industry.
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Platinum Star Constructions
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
Here at Platinum Star Constructions our goal is to build and perfect your dream home to your specifications carrying out any work you desire from building extension, renovations, driveway paving, property maintenance and remodelling inside and out.
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YASH BUILD DEVELOPMENTS LTD
New on MyBuilder
Extension Builder in Kingston Upon Thames, Greater London
At YASH BUILD DEVELOPMENTS LTD, we are dedicated to delivering high-quality building and renovation services with excellent workmanship, reliability and attention to detail. We specialise in a wide range of building and property improvement services, including: Carpentry & Joinery – All types of carpentry work, woodwork and installations. New Builds & Construction – Building projects and general construction work. Kitchen Fitting – Professional kitchen installation and fitting. Painting & Decorating – Interior and exterior painting, decorating and finishing. General Building & Renovations – Property improvements, refurbishment and maintenance. We understand that every project is important, whether it is a small home improvement or a larger building project. Our aim is to make the whole process as smooth and stress-free as possible. We take pride in providing quality workmanship, clear communication, a reliable service and competitive prices. Customer satisfaction is always our priority, and we treat every property with care and respect. Choose YASH BUILD DEVELOPMENTS LTD for quality work, professional service and results you can be proud of. We look forward to working with you and bringing your ideas to life!
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Vladimir paskov -general bulding
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
General builder .handy man Ground worker. Steel beams installer
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DRT Design Services
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
Hello, I'm Dan. I'm a qualified Architectural Designer with more than 10 years experience working within the design and construction industry. I mainly specialise in domestic home refurbishments, extensions and renovations. I believe that architectural services should be accessible to the ordinary homeowner and not just the wealthy elite. Therefore this I what I value as an ethos and practice as a professional. I love working closely with homeowners helping them achieve the home that they love. I offer a transparent honest, and straighforward service. Whether it's just a simple space planning design you need, to delivering the construction of your extension, I'm here to help.
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Nihal Build Ltd
No reviews yet
Extension Builder in Kingston Upon Thames, Greater London
Welcome to our construction company based in Slough! With 15 years of experience as a site engineer in the construction industry, we have successfully completed numerous projects in London. Now, we are excited to announce the launch of our own construction firm, dedicated to building your dream and delivering high-quality work. No matter the type of building project, we are fully equipped to undertake it with excellence and precision. Contact us today to discuss your construction needs and let us turn your vision into reality.
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4.6

Top rated Extension Builders

Our Extension Builders in Kingston Upon Thames, Greater London, are rated 4.6 out of 5 based on 21 reviews from customers like you.

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

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

What are the hourly rates of extension builders in Kingston Upon Thames, Greater London?

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

Find extension builders in Kingston Upon Thames, Greater London with MyBuilder

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

Step 2: Compare different extension builders in Kingston Upon Thames, Greater London

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

Step 3: Hire Kingston Upon Thames, Greater London extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Kingston Upon Thames, 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.

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

What to ask a Kingston Upon Thames, Greater London extension builder before hiring?

Before hiring an extension builder in Kingston Upon Thames, Greater London or extension building company in Kingston Upon Thames, 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 Kingston Upon Thames, Greater London?

An extension builder in Kingston Upon Thames, 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 Kingston Upon Thames, 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 Kingston Upon Thames, 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 Kingston Upon Thames, 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 Kingston Upon Thames, 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 Kingston Upon Thames, Greater London

Can an extension builder in Kingston Upon Thames, Greater London help with planning permission?

Yes, many extension builders in Kingston Upon Thames, 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 Kingston Upon Thames, Greater London handle everything from design to construction?

Many Kingston Upon Thames, 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 Kingston Upon Thames, Greater London help with materials and finishes?

Yes, most extension builders in Kingston Upon Thames, 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.