Describe your job with details to view a tailored list of tradespeople.
Post your job

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.

How it works

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders in St Austell

251 Results

Sort by:

  • Extension Builder in St Austell

    I've been building for 18 years and very good at what I do and i take alot of pride in my work but anyone can write stuff to make them stand out from others but it's proving yourself on the tools and that's what will make me stand out from the rest

    Get in touch
  • Extension Builder in St Austell

    I a 25 year old Builder, I am in the process of setting my own company up and I am looking for work to do for weekends. I have the knowledge and wide range of experience in different type of work. I am professional and hard working I can ensure a high standard of work. My skills : Plasterboarding/Plastering EWI Render system (External Wall Insulation) Patios Porches Brick pathing Sleeper walls Fencing Concreting Anything else please contact me and I will be able help.

    Get in touch
  • Extension Builder in St Austell

    Hi I am michael, I am a multi-tradesman currently looking for work. You name it I can fix it, build it, create it. I am hardworking extremely dedicated, caring professional. No job is too big or too small, especially when it comes to turning your visions into a reality. I know how important it is to be able to turn a run down house into a beautiful family home.

    Get in touch
  • Extension Builder in St Austell

    I've been lucky enough to have spent the last 15 years building homes that are usually in excess of 2-3 million pounds, during These years my attention to detail I believe can't be beaten. The last 5 years i have been a site manager with anywhere up to 30 people on site, so dealing with clients architects and all other trades comes very easily for me .I specialise in natural stone and my work has had 2 awards and featured in grand designs catalogue multiple times. All aspects of building work can be undertaken by myself from digging footings and slabs to 2nd fixing carpentry. Every job, large or small scale will always have my full attention and dedication. So if your needing a garden wall building or your dream home then get in touch with me and I know you'll be very happy from the outcome

    Get in touch
  • Extension Builder in St Austell

    JMR Construction – Building with precision, passion, and purpose. We turn your vision into reality, whether it’s a custom home, renovation, or commercial project. Quality craftsmanship, clear communication, and lasting results—that’s our promise.

    Get in touch
  • Cornwall Extension New Build may be new to the Mybuilder platform however we are far from new to the trade, we boast a strong team of 5 builders with over 100 years of experience combined and a network of high quality tradesmen at our disposal to cover all aspects of any project. We pride ourselves on sticking to the budget and producing quality work.

    Get in touch
  • Extension Builder in St Austell

    Qualified carpenter and Joiner of 32years experience specialising in traditional carpentry and joinery methods. All aspects of carpentry and joinery undertaken from studwork to furniture repair and restoration. Bespoke solid surface worktops manufactured. Full 3d CAD service included with any quote. Reasonable rates. Public liability insured up to £5m.

    Get in touch
  • Extension Builder in St Austell

    With over 25 years of hands-on experience in the construction industry, we’re proud to offer a complete renovation and building service across Mid Cornwall – covering areas from Fowey to Falmouth and the North Coast. As a small, family-run business run by two brothers raised around the trade, construction is in our blood. We’re trained joiners and carpenters by trade, but our expertise stretches across every aspect of the building process. Our team has worked on high-quality builds throughout Cornwall, and between us, we bring a wealth of knowledge across the full spectrum of construction. From groundwork and landscaping to full renovations and new builds, we’re equipped to handle projects of all sizes with precision, care, and craftsmanship. Our Core Services Include: Groundworks & Landscaping Carpentry & Joinery Garden Rooms Loft & Garage Conversions Home Extensions & Annexes Full Renovations & New Builds Kitchens & Bathrooms Tiling & Finishing Work Get in touch today and find out how we can bring your ideas to life — with the skill, professionalism, and personal service that only a dedicated local team can offer.

    Get in touch
  • "We specialize in general building, house building, and ground work services. With years of experience, we deliver high-quality construction and renovation solutions for residential and commercial projects. Contact us for reliable and professional services.

    Get in touch
  • Extension Builder in St Austell

    At Tamar Construction, our passion for high-quality building is evident in every project we undertake. We pride ourselves on consistently delivering exceptional finishes. Understanding that construction can disrupt personal spaces and create stress, we emphasise careful planning and outstanding craftsmanship to provide a seamless and professional experience for our clients. New Builds: We specialise in the construction of a wide array of new properties, from small builds and barn conversions to modest developments and luxury designs. Extensions: Our dedicated team is enthusiastic about turning your ideas into reality. Count on us for exceptional craftsmanship and customised solutions that will enhance your home. Groundworks: Our experienced team excels in comprehensive groundwork services, expertly managing excavation, foundation preparation, drainage installations, and site grading. With our precision and expertise, we establish a solid foundation for all your projects. Fencing: Discover a vast selection of fencing options to accommodate various budgets. From traditional wooden styles to modern metal designs, we offer versatile choices to enhance your outdoor space while ensuring quality within your budget. Renovation: Whether you desire kitchen transformations or bathroom upgrades, trust us to deliver precision and care. From minor enhancements to major renovations, your home improvement journey is in capable hands, ensuring a seamless and rewarding experience. Carpentry: Our team consists of highly skilled and qualified carpenters, ready to meet all your carpentry needs and deliver a superior finish.

    Get in touch
  • Extension Builder in St Austell

    At CN Groundworks we provide groundworks and civil engineering services throughout Cornwall and Devon. - Drainage - Paving/Driveways - Foundations - Excavation - Utility Services - Patios/Decking - Landscaping - General Maintenance Get in touch for your free quote.

    Get in touch
  • Extension Builder in St Austell

    I am a level 3 qualified carpenter. Currently work as a sub contractor but am looking to go out on my own. I mainly do second fix work but have also got experience doing 1st fix.

    Get in touch
  • Extension Builder in St Austell

    I’ve got 9 years experience on site work predominantly doing carpentry but have experience in other aspects of site work. I’ve carried out work from the ground up covering all areas of carpentry from simple studwork to finishing details there’s no job to big or to small. I cover the whole of Cornwall based around Newquay and Penzance. Follow my instagram for photos of work carried out - CARPENTRY CREATIONS CORNWALL Fully insured.

    Get in touch
  • Extension Builder in St Austell

    New builds, extensions, conversions and renovations. Quality, guaranteed work by qualified tradesmen. Free no-obligation quotes and advice.

    Get in touch
  • Building company offering in house architectural design for full design & build possibilities. We also offer separate design & separate building services. Both residential & commercial projects undertaken.

    Get in touch
  • Extension Builder in St Austell

    Solo Handy Man Builder…Hardworking individual with creativity and knowledge who takes pride in providing a good service…Generally I work on small projects, domestic builds, alterations, renovations, extensions and landscaping. General home DIY from flat pack to kitchen fitting assembling including any other internal work.

    Get in touch

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.

Other tradespeople in St Austell

Cities