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Extension Builders in Alton

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Some of our top rated extension builders in Alton

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  • TJW Carpentry & Building offer a range of services which include, extensions/alterations, new builds, plumbing and heating services, electrical services and a range of project management services. Using only experienced and qualified trades we pride ourselves in client satisfaction.

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  • JK Carpentry & Building Services is a professional and reliable company. We pride ourselves on completing all jobs to a very high standard, undertaking all aspects of building and carpentry/joinery jobs to your satisfaction. No job too big, nor too small.

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  • We undertake all aspects of Building and Landscape work and everything inbetween. With 20 years experience we pride ourselves on our knowledge and quality to carry out the best job possible and a competitive price.

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  • We at Intergral are a friendly, family run construction company offering up over 15 plus years worth of building and trade experience. We specialise in external/masonry projects such as one of bespoke homes, extensions, outbuildings, conservatory bases, garden and retaining walls, repointing, repair and renovation. All aspects of construction considered Many thanks (IBS)

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  • Building and construction business. With over 20 years experience in the trade. Covering all aspects of renovation work, design and building services.

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  • Extension Builder in Alton

    We are a family run business for over 20 years specialising in all types of building work such as Extensions, garage/loft conversions and landscaping etc.

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  • Extension Builder in Alton

    We are a company of trusted builders within the Southampton community and surrounding areas. With years of experience and a steadfast commitment to quality, we are the name you can rely on for all your construction and building needs. We specialise in extensions, loft conversions, new builds, refurbs, groundworks, patios, brickwork and repointing. Whether it’s a new home build, renovations or commercial projects we are your partners in turning your vision into reality.

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  • Extension Builder in Alton

    Over 20 years of experience in construction industry based and covering southampton and nearby city Our goal and pride of work is delivering top quality work as small details bring happines to our costumers

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  • Extension Builder in Alton

    All aspects of building and maintenance work undertaken

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  • We provide a professional and extremely customer based service. We listen carefully to customer requirements and decisions. With a team of experienced tradesman we can complete projects in a timely and tidy fashion. We carry out all building works including, Extensions Structural openings Carpentry Kitchens Bathrooms Loft conversions Full refurbishments.

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  • Extension Builder in Alton

    Specialists in extension, refurbishment, new builds and alterations

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  • At MCB Contracting, we take pride in delivering high-quality building, refurbishment, and maintenance services across the South East. With years of hands-on experience in both residential and commercial projects, we bring a professional, detail-driven approach to every job — from small repairs to full property refurbishments. Our team covers all aspects of construction, including: Home extensions & conversions Full refurbishments & fit-outs Brickwork, blockwork & structural alterations Kitchens, bathrooms & flooring Plastering, painting & finishing trades We’re known for our reliability, communication, and quality of workmanship. Every project is managed with care, clear timelines, and transparent pricing — ensuring you get results you can trust. Whether you’re updating your home, improving rental property, or managing a commercial project, MCB Contracting delivers the standard of work you’d expect from a professional, accredited contractor — on time and on budget.

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  • Extension Builder in Alton

    The Demo Squad is a veteran-owned and operated demolition and clearance company serving homeowners and builders across Surrey, Hampshire, Berkshire and London. We specialise in clean, controlled demolition and site clearance, with a strong focus on safety, reliability, and respect for your property. Whether you’re preparing for a renovation, extension, or new build, we handle the enabling works properly so the next stage runs smoothly. Our services include: Soft strip demolition Garage and outbuilding removal Internal demolition Site and garden clearance Licensed waste and debris disposal Salvage and material reclamation where appropriate We’re fully insured, licensed waste carriers, and known for turning up when we say we will, keeping sites tidy, and communicating clearly throughout the job. We’re happy to work directly with homeowners or coordinate with builders and project managers. If you need demolition or clearance done efficiently, safely, and without hassle, we’d be happy to provide a free, no-obligation quote.

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  • We are a independent construction company that take complete pride in the work we undertake. We like to cater for are customers every needs in the construction industry. .BRICKWORK SPECIALIST .GROUNDWORK'S .EXTENSIONS AND BOUNDARY WALL .REFURBISHMENTS

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  • Extension Builder in Alton

    At Regis Build we specialise in Timber Framing, Carpentry and Construction. We are a member of the Structural Timber Association (STA) which is a national accreditation. We have multiple teams that are very capable and have a multitude of experience, therefore we are able to take on jobs of all sizes. If needed we offer project management and can source all trades as part of a package.

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  • Here at SST Homes, we have been providing building services for over 15 years. We take great pride in carrying out all types of building works including New builds, Renovations, Extensions, Loft conversion, Commercial projects, Maintenance contracts and Smart Homes.

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4.4

Top rated Extension Builders

Our Extension Builders in Alton, are rated 4.4 out of 5 based on 11 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.

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.

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