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Extension Builders in St Austell

Easily find verified St Austell Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in St Austell.

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Some of our top rated extension builders in St Austell

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  • Extension Builder in St Austell

    Self employed plaster/builder 35 years experience Honest tradesman

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  • I've been in the trade for 20 years. I'm diverse in most trades and I'm a registered installer for Koster UK for waterproofing and damp proofing, also experienced in delta membranes systems. I do have experience in chimney leaks and restoring them the correct way. Flat roof repairs and installing new flat roofs

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  • Extension Builder in St Austell

    Our projects Include both modern construction and period buildings. We repair, restore or renovate buildings constructed using traditional and modern materials and techniques.From cob, lime, stone & timber to modern steel and timber frames. We have decades of experience in working to enhance and preserve Cornwalls wonderful and varied building heritage. We work with architects and listed building surveyors to build/restore beautiful, functional structures offering a complete service.

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  • Extension Builder in St Austell

    Builders with 15yrs experience.

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  • Extension Builder in St Austell

    We are Spindrift Services, established in 2026 after many years working individually as sole traders and successfully collaborating together for the past four years. Michael is a classically trained carpenter with 25+ years of experience in the industry. He has extensive knowledge across all aspects of construction and has completed a wide variety of projects, including doors, kitchens, bathrooms, roofing, extensions, conversions, outbuildings and much more. Liam has over 10 years experience, originally specialising in landscaping and external construction projects such as fencing, patios, walling, pergolas, and luxury treehouses. He later progressed into interior renovations, property conversions, and full rebuilds. We also specialise in the installation and remediation of fire doors and have worked extensively with hospitals, schools, and student accommodation across the UK. We pride ourselves on delivering high-quality workmanship with a premium finish while treating every client’s home with the same care and respect as we would our own. Reliability, professionalism, clear communication, and attention to detail are at the heart of everything we do. Please take a look through our gallery to see examples of our completed projects

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  • Extension Builder in St Austell

    My name is Joseph Sands. Myself and business partner Ben Rickard are general builders with 10 years plus experience in the building trade. We offer a wide range of skills and services. Here at JAB construction we offer competitive rates and very high standards in our crafts.

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  • 30 years experience in the building trade our work speaks for its self . no job to big or small we can do it all From all ground works ,drainage full constructions of any types . We can provide a cradle to grave service for all your Building needs,all trades anything From Houses Extention or even complete renovations .!! If it’s meant to be choose Kis Met for they. Also remember it’s not always about a good start . But in fact a proper finish actually is the key to any happy Client.🙏🏻

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  • Extension Builder in St Austell

    MSG Buildings are a small family run business, we pride ourselves on our high standards of workmanship and cleanliness in the workplace. We undertake all forms of construction from groundwork’s through to roofing. Renovations, conversions, extensions, landscaping.

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  • Extension Builder in St Austell

    23 years experience laying brick, block and stonework. All work considered.

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  • Extension Builder in St Austell

    Professional Building Contractors offering a complete service following all CDM and HSE guidelines

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  • Extension Builder in St Austell

    Hard working, always reliable with a great attention to detail. I’ve been in the trade since a young apprentice. I’m now 26 and trying to make a name for myself. Setting up my own business I gained a keen eye for great workmanship, huge passion to work hard and do a first class job.

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  • I am the proud owner of Precision Projects. A small independent business, where we take pride and care in all of our work. We specialise in: -new builds, extensions, renovations, roofing, bathrooms, kitchens, wardrobes and all first & second fix tasks. Customer satisfaction has and always will be my main priority for the business. Feel free to explore my portfolio so you can see what we have achieved! Thank you for your business, I look forward to working with you. -Jordan

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  • Extension Builder in St Austell

    With over 25+ years in the building trade, hardworking,honest and reliability are what sets me apart from the average builder. I have a good knowledge and skill set for all of your residential construction needs.

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  • Mini Machines Cornwall Ltd. We have been in the construction industry since 2012 offering a wide range of jobs from carpentry to landscaping and general building. We are res tec approved and can offer a 10 year warranty on any fibreglass roofing. Now offering mini digger hire / chipper hire and more.

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  • Extension Builder in St Austell

    My name is Tom Skinner and I'm a carpenter/joiner with 10 years experience. I have owned my own business for the past 6 years and have worked on a diverse range of projects. Whilst doing so I have gained valuable knowledge in all aspects of the trade. I have experience ranging from 1st fix house building, joinery and boatbuilding. I can complete complex roofing as well as beautiful joinery and in the last few years have worked on luxury house builds in north Cornwall, mainly Padstow and Rock.

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  • The relationship builders reliable, professional and friendly builders for all your building needs. We’ve been working in the building trade for a combined 50 plus years and cover all aspects of building work from footings to roof and everything in between. No job to big or small we have a great team of lads who’ve work with us for years. Free quotes, advice and guidance through any builds.

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

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 St Austell 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 St Austell who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in St Austell?

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

Find extension builders in St Austell with MyBuilder

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

Step 2: Compare different extension builders in St Austell

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

Step 3: Hire St Austell extension builders with confidence

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

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

What to ask a St Austell extension builder before hiring?

Before hiring an extension builder in St Austell or extension building company in St Austell, 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 St Austell?

An extension builder in St Austell 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 St Austell 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 St Austell?

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 St Austell 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 St Austell 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 St Austell

Can an extension builder in St Austell help with planning permission?

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

Many St Austell 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 St Austell help with materials and finishes?

Yes, most extension builders in St Austell 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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