Extension builders in Alton

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.7 (10 reviews)

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Some of our top rated extension builders in Alton

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LAConstruction
Rating: 5 out of 5
Extension Builder in Alton
Hi I'm John Vinten, A very skilled Builder/plumber and have been for over 35 years, we undertake all aspects of plumbing
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Latest review:
Conversions - General- 7 Nov 2018
John knocked down a plasterboard wall for me. He did a great job, cleaned up everything after and was a pleasure to deal with. His price was very reasonable too. I'd definitely use him again and recommend him.
Dan
No reviews yet
Extension Builder in Alton
Elmstone Services is a trusted building and property maintenance company based in Liphook, Hampshire We take pride in every job, delivering reliable workmanship and a consistently high standard of finish.
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Stonehaven Building and Landscapes
Rating: 5 out of 5
Extension Builder in Alton
Hi we are a family run business with over 30 + years experience in the trade. Work normally carried out driveways patios brickwork/garden walls turfing fencing all general hard landscaping. All roofing work undertaken Storm / damaged roofing Flat roofs Pitched roof Roof repairs Re - roofs Guttering facia and sofits We pride ourselves on providing our customers with a professional friendly service to the highest of standards. We at stonehaven building an landscapes are clean and tidy ,reliable,hard working, friendly, professional and easy to communicate with.
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Latest review:
Landscaping- 17 Sep 2026
Great from start to finish. Thank you.
Crowther Building Services
Rating: 5 out of 5
Extension Builder in Alton
At Crowther Building Services we pride ourselves on quality work at competitive prices with customer service always being our top priority. Specialising in all types of brickwork, groundworks and home improvements. This includes work such as extensions, renovations, alterations and repointing. We also have a vast amount of experience in structural landscaping such as brick walls and patios.
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Latest review:
Landscaping- 26 Nov 2020
Brilliant team. Turned up on time, left everything clean and tidy. Laid a beautiful Indian sandstone patio. Couldn't be happier. Would definitely use these guys again.
Barros Construction
Rating: 5 out of 5
Extension Builder in Alton
At Barros construction we do plumbing jobs, bathroom fitting, heating and underfloor heating, tiling jobs, Kitchen fitting and any house refurbishment and extensions.
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Latest review:
Tiling- 25 Aug 2026
We would definitely hire Barros again. He went over and above when he replaced our damaged kitchen tiles, pointing out further issues, repairing those also, and keeping it all within the original price quoted. He is a skilled and knowledgeable tradesman who is also punctual, polite and friendly. We are delighted with results of his work. Thank you Barros
Millbridge construction
No reviews yet
Extension Builder in Alton
Bricklaying and building contractors undertaken all aspects of construction.Friendly team with Over 30 years experience.
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Gary Howe Brickwork
Rating: 5 out of 5
Extension Builder in Alton
I Have been a Bricklayer for 27 years and take great pride in the neat and tidy brickwork I produce. The last couple of years I have concentrated on smaller jobs. work undertaken Extensions New builds Maintenance Brickwork Blockwork Re pointing patios Garden work repairs shed bases Pressure washing Garages Structual alterations and repairs please check out our pics
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Latest review:
Extensions- 26 Oct 2021
Amazing job on my new garage. Gary and his team are brilliant, polite, tidy very hard workers and nothing is to much trouble them.Gary went through everything from the beginning til the end, nearly finished. I would like to say a big thank you to them all and would have them back anytime Mary Goolding
Jpe building
Rating: 5 out of 5
Extension Builder in Alton
Jpe building have 17 years experience in the building trade. We Pride ourselves on giving a good service. We Undertake driveways, ground works, Extensions , landscaping and general building. I’m also on Checkatrade. So please get in touch for a free quote
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Latest review:
Groundwork & Foundations- 10 Oct 2026
Jason and Chris were superb - they did a great quality job, working to a tight deadline and having to carry everything through the house, they kept everything very tidy. I would highly recommend them.
HH Building
No reviews yet
Extension Builder in Alton
HH Building offers a complete range of building and renovation services, providing homeowners with skilled craftsmanship across every stage of their project. We specialise in home extensions, full kitchen and bathroom installations, roofing repairs and replacements, and professional plumbing services. Our team is dedicated to delivering outstanding quality, clear communication, and solutions tailored to each client’s needs. With a commitment to safety, reliability, and long-lasting results, HH Building transforms properties with work that’s built to last.
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DMJS Developments
Rating: 5 out of 5
Extension Builder in Alton
We are a friendly, reliable and highly skilled business who undertake all aspects of building, landscaping and carpentry. we take great pride in every job we do no matter how big or small it is.
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Latest review:
Extensions- 13 Oct 2021
I would definitely use Dan again. He gained our trust very quickly and was professional and reliable throughout our project, with a good all round knowledge, allowing him to give advice and options on the different aspects of our extension. He worked with us through numerous changes to plans and his friendly team were a pleasure to have in our home. Dan’s quote was not the cheapest we received, but he stuck to it with no surprises, which is exactly what you want when working with a limited budget. Thanks again to Dan, Paul, Alex, James, Jack and his extended team.
L orourke carpentry
No reviews yet
Extension Builder in Alton
Carpentry and general building Loft conversions Extensions New builds Timber frame construction Built in wardrobes Kitchens Bathrooms
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Euro Build Ltd
No reviews yet
Extension Builder in Alton
Hi there just a bit about me. Well I’m a time served Carpenter / Joiner by trade and have worked my way up to now owning and running my own company’s for the past 25 years. I have employed up to 20 employees at any one time and build projects from £20k up to £12m for individual clients. So i know how to run a construction company and how to get the job done, but more importantly i believe i understand the stress and pressure all clients can endure if there build is not built within budget and within an honest time line. Everything we do is insured to the highest standards and our workmanship is second to none. I have decided to now move away from the large build sector and back to the smaller more personal builds as this is where i get the most satisfaction and believe I can offer the best service to the client, a happy client is a happy builder. Our work area is anything to do within the construction of your home, even down to the design and getting engineering across the line. Best regards Rod Moran
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Vaughan Design and Developments ltd
No reviews yet
Extension Builder in Alton
new builds, extensions, loft conversions, complete refurbishment of a property.
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Bear construction south ltd
Rating: 5 out of 5
Extension Builder in Alton
we specialize in reliable and high-quality groundwork services, including all streetworks, dropped kerbs and driveways, drainage solutions, and road surfacing for both domestic and commercial projects. With over 15 years of experience, we proudly serve Hampshire, Dorset, and West Sussex, offering expert services from excavation to foundations. Our friendly and professional team is committed to delivering excellent results, ensuring a smooth and stress-free experience for all our clients, no matter the size or complexity of the project.
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Latest review:
I was recommended Bear Construction by a friend, and it turned out to be an excellent suggestion. From the initial consultation with the architect to the final handover, Bear Construction provided an exceptional experience. Here are the key highlights of working with them: Smooth and Transparent Communication: Each step of the process was clearly explained, and I received daily progress updates, which I found incredibly helpful and reassuring. Respectful and Considerate Team: The work site was kept tidy and well-contained. My neighbours also mentioned how respectful the team was, which was especially important as my property is mid-terrace. Impeccable Quality and Efficiency: The project was completed to an exceptionally high standard, and impressively, it finished three weeks ahead of schedule. I couldn’t be more pleased with the results and would happily recommend Bear Construction to anyone seeking reliable and high-quality building services.
Venture Builds&Landscapes
Rating: 5 out of 5
Extension Builder in Alton
We are a team of young, hardworking tradesmen, we work together to build your visions and suit your needs, from carpentry to patios we can take on anything! Why venture anywhere else?
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Latest review:
Carpentry- 23 Jun 2023
Sam did a great job working in a clean and efficient way. The quality of the work was spot on and we are very happy with the result. We are already speaking with Sam about a future project and will definitely use him again.
Able building services
Rating: 5 out of 5
Extension Builder in Alton
I'm 48years old, English. I've been a builder for over 28 years. We mainly do extensions. We have built plenty of houses from start to finish over the years. But now prefer the slightly smaller jobs. I'm easy to talk to, and have lots of ideas if that's what you need.
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Latest review:
Handyman- 18 Oct 2020
Terry worked really efficiently, gave very helpful suggestions and provided workable solutions to issues with my project. Exactly what I needed!

4.7

Top rated Extension Builders

Our Extension Builders in Alton, are rated 4.7 out of 5 based on 10 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Alton?

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

Find extension builders in Alton with MyBuilder

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

Step 2: Compare different extension builders in Alton

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

Step 3: Hire Alton extension builders with confidence

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

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

What to ask a Alton extension builder before hiring?

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

An extension builder in Alton 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 Alton 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 Alton?

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 Alton 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 Alton 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 Alton

Can an extension builder in Alton help with planning permission?

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

Many Alton 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 Alton help with materials and finishes?

Yes, most extension builders in Alton 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.