Extension Builders in Carshalton

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (21 reviews)

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Some of our top rated extension builders in Carshalton

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RRV Construction
No reviews yet
Extension Builder in Carshalton
Hello ,my name is Radu,i am bricklayer,i do any construction job around your house
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Ace construction
No reviews yet
Extension Builder in Carshalton
Quality builders for all your needs, fully qualified and professional team Available for all Work that needs undertaking
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Fourth Little Pig
No reviews yet
Extension Builder in Carshalton
We are a specialist garden room company that offers beautiful buildings with bespoke dimensions and finishes while remaining affordable. We make this possible through our advanced, integrated design and manufacturing system which reduces cost without compromising on quality. Our system allows us to offer customers the ability to self design their garden room online and see instant pricing as they make changes. We use timber frame construction which reduces the overall footprint and cost, and our quality detailing and craftsmanship means it doesn't compromise on longevity or aesthetics while delivering better insulation and lower heating costs in winter months than alternative materials. Don't settle for standard when you could have bespoke!
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Fire Safety Works Limited
Rating: 5 out of 5
Extension Builder in Carshalton
Lofts ,extension, Full refurbishment plastering Painting and decorating wallpaper and much more on commercial and domestic properties 12 years of experience
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Latest review:
Painting & Decorating- 4 Jul 2017
Andi and his team did a fantastic job including removal of wallpapers, skimming and repainting walls and ceilings in no time.... the team worked wonders day and night handing back the property ahead of our move in day!! Andi is easy to talk to, extremely hardworking, keeps his promise and does it all with a smile! I wish I was like that at work when my boss gives me job :) Very pleased we hired Andi
BWH Construction
No reviews yet
Extension Builder in Carshalton
Hi my name is Brian, I have been working in the construction industry for over 20 years, in this time i have worked with various big companies on projects from the Channel tunnel, to demolishing houses digging basements then rebuilding. References available upon request
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Kai stembalski
No reviews yet
Extension Builder in Carshalton
Im a 20 year old multi trader who is looking for potential clients.
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Parve constructions ltd
No reviews yet
Extension Builder in Carshalton
I am hardworker and honest I am doing everything in building work plZ give me chance for good work
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Sharry crown roofing Ltd
No reviews yet
Extension Builder in Carshalton
Welcome to sharry crown Roofing Ltd, your premier choice for top-notch roofing and construction services in the heart of Hounslow, London. Based in North Hyde, we proudly offer a comprehensive range of services, including expert roofers, skilled extension builders, and specialists in loft and garage conversions. Our commitment to quality and customer satisfaction sets us apart in the bustling London trades scene.
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Dan’s Team Projects Ltd
No reviews yet
Extension Builder in Carshalton
25 y of experience in building sector. Working as a multi trade person for companies now set up own . Always good communication and problem solving.
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96 Degrees Carpentry Ltd
Rating: 5 out of 5
Extension Builder in Carshalton
We undertake all aspects of Carpentry and General building works. Specialising in refurbishments and loft conversions we have a team of qualified and experienced carpenters, plumbers and electricians available for both residential and commercial works.
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Latest review:
Decking- 23 May 2021
Excellent and professional job completed as quoted. Would highly recommend to future Clients.
Mannat Construction
No reviews yet
Extension Builder in Carshalton
With over 20 years of experience in the building industry, I specialise in high-quality house extensions and loft conversions that add space, value, and long-lasting quality to your home. I take pride in delivering work to a professional standard, with a strong focus on reliability, clear communication, and attention to detail. From the initial design stage through to completion, I work closely with customers to ensure every project is carried out smoothly, safely, and to the agreed timeline. Whether you're looking to expand your living space, create an extra bedroom, or fully transform your property, I bring the skills and experience needed to deliver results you can trust. I’m committed to providing honest advice, transparent pricing, and a clean, tidy working environment. Customer satisfaction is extremely important to me, and much of my work comes from repeat clients and recommendations. I look forward to helping bring your next project to life.
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Wilke Property Services
Rating: 5 out of 5
Extension Builder in Carshalton
Wilke Property Services I am a hard working man with 29 years experience. I have huge experience about painting , decorating, plastering, woodwork, plumber, tiling etc. I have the skills to do everything in your home. Wilke Property Services
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Latest review:
Marcin worked efficiently, handled everything with confidence, and the finished kitchen just works. No fuss, no second-guessing. Just a properly well skilled professional doing what they do best. Very happy to recommend
Gk gas heating and plumbing ltd
No reviews yet
Extension Builder in Carshalton
Hello Gk Plumbing and electrical Ltd we undertake all Building work Ac,Heat source pump , solar system, gas, heating systems repairs, certificate electrical installations and renewable services.
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Sandhu Boyz
No reviews yet
Extension Builder in Carshalton
I have a skill of all building work like plumbing electrical flooring painting loft conversion extension new bath work garage etc.
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Pal
New on MyBuilder
Extension Builder in Carshalton
For a strong Thumbtack company description, focus on being professional, clear, and personable. You want to convince potential customers that you are the best person for their specific job.
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Lasting Ltd
No reviews yet
Extension Builder in Carshalton
At LASTING LTD, we specialise in high-quality residential construction and full property renovations across London and the surrounding areas. With years of experience and a strong reputation for reliability, we deliver projects with exceptional craftsmanship, clear communication, and attention to every detail. Our services include complete home refurbishments, loft conversions, kitchen and bathroom installations, structural works, flooring, plumbing, heating and electrical upgrades, and all types of internal finishing. Whether it’s a single room or a full house renovation, we provide honest advice, transparent pricing, and results built to last. We take pride in working cleanly, safely, and efficiently, ensuring every project is completed to the highest standards. Most of our clients come back to us again and again — because they trust our workmanship and appreciate our professional approach. If you’re looking for a reliable contractor who delivers quality without compromise, LASTING LTD is here to help bring your project to life.
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Top rated Extension Builders

Our Extension Builders in Carshalton, are rated 4 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 Carshalton?

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

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

What are the hourly rates of extension builders in Carshalton?

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

Find extension builders in Carshalton with MyBuilder

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

Step 2: Compare different extension builders in Carshalton

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

Step 3: Hire Carshalton extension builders with confidence

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

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

What to ask a Carshalton extension builder before hiring?

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

An extension builder in Carshalton 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 Carshalton 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 Carshalton?

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 Carshalton 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 Carshalton 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 Carshalton

Can an extension builder in Carshalton help with planning permission?

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

Many Carshalton 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 Carshalton help with materials and finishes?

Yes, most extension builders in Carshalton 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.