Extension builders in St Ives, Cornwall

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 5 (2 reviews)

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

Select a service

How it works

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

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

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 Ives, Cornwall

158 Results

Sort by:

AGC BUILDING SERVICES
No reviews yet
Extension Builder in St Ives, Cornwall
All aspects of building work undertaken .a Friendly reliable service. I pride myself on the quality of my finish in all work undertaken
Get in touch
HBM Builders
No reviews yet
Extension Builder in St Ives, Cornwall
HBM Builders is a family run business. Based in Camborne, We cover a wide variety of areas within the building and construction industry. All projects are personally overseen by David Harvey, who has over 38 years experience in the building Industry, with the help of his son's Simon (Carpenter), Carl (Mason), Josh (Carpenter) we are more than capable to complete the most complex projects witin the construction industry.
Get in touch
Luke Skewes
No reviews yet
Extension Builder in St Ives, Cornwall
I have over 10 years’ experience in the building industry and hold a City & Guilds Level 2 qualification in Bricklaying. Coming from a family of builders, I’ve developed a strong work ethic and a high standard of workmanship from an early age. I specialise in plastering, all types of lime work, stonework, brickwork, blockwork, patios, renovations and new builds. Whether it’s restoring period properties using traditional lime methods or carrying out modern renovation projects, I take pride in delivering clean, precise, and long-lasting results. I have experience working on a wide range of properties, from domestic homes to larger projects across the UK and abroad, including work in Munich, Germany and the Isles of Scilly. I’m reliable, tidy, and respectful of customers’ homes. I believe clear communication and attention to detail are key to a successful job, and I always aim to complete work on time and to the highest standard. No job is too big or small — feel free to get in touch for a free quote.
Get in touch
Sam Shepherd Construction
No reviews yet
Extension Builder in St Ives, Cornwall
Hello my name is Sam and I am a multi skilled trades man based in Redruth. I have carried out a variety of jobs over the years from extensions to bathrooms renovations and building stair cases on the side of cliffs. I pride my self on my quality of work and ability to over come complications that may arise during the works. I look forward to hearing from you.
Get in touch
CN Groundworks
Rating: 5 out of 5
Extension Builder in St Ives, Cornwall
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
Latest review:
Groundwork & Foundations- 19 Dec 2019
ive been in the construction industry for 30 years, Christian surpassed my expectations, very helpfull, polite and well worth the task, i have offered him more work in the future.
T W Picco
No reviews yet
Extension Builder in St Ives, Cornwall
I am Toby Picco and I operate as an independent, general builder. I have over 10 years experience in the building trade and can provide a one stop solution, covering all your building requirements.
Get in touch
Marks masonry, groundwork’s and hard landscaping
No reviews yet
Extension Builder in St Ives, Cornwall
I’m a sole trader with masonry and groundwork’s skills, I pride myself on high quality work, if I’m going to do a job it’s going to be done right the first time. I’m Redruth and Camborne based but I can travel further if needed
Get in touch
AGB Carpentry
Rating: 1 out of 5
Extension Builder in St Ives, Cornwall
Hello my name is Alex. Carpenter by trade although have experience in most trades as I’ve been in the trades for about 11 years. I was employed for a few years and have recently decided to work for myself. I absolutely pride myself on finishing to the highest standards and am always looking for ways to increase both skills and knowledge. Below are jobs I cover: Extensions Renovations New builds 1st/2nd fix Carpentry Kitchen fitting Fencing Brick/block build Groundwork’s Soffit/Fascia/Guttering Loft conversion etc. I look forward to hearing from you. Please feel free to ask me anything! Thank you
Get in touch
Wadham-Smith Building Services
No reviews yet
Extension Builder in St Ives, Cornwall
Wadham-Smith Building Services undertakes all building work from small maintenance work to large renovations, conversions and extensions. Most of our work comes from on going recommendations and we take great pride in what we do and always like to please the customer a d have a happy working environment.
Get in touch
LPB carpentry
New on MyBuilder
Extension Builder in St Ives, Cornwall
I’m a qualified carpenter with both my level 2 and level 3 qualifications I have been in the trade for 14 year and have undertaken a wide range of projects from running 1 off Custom House builds down to makings and installing bespoke fitted furniture We undertake all aspects or carpentry and construction and we are ‘cure it’ trained fibreglass flat roof installers who can other 20 years manufacture back warranty
Get in touch
Evans Construction
New on MyBuilder
Extension Builder in St Ives, Cornwall
I can take on all types of construction work. Anything from blockwork, brickwork, stonework, to foundations and slab laying, etc. I can complete your general building maintenance jobs such as re-pointing and I can sort any fixes or repairs you may have.
Get in touch
St nicks property maintenance
No reviews yet
Extension Builder in St Ives, Cornwall
I’m a competent builder with 35 years experience in all aspects of the building trades, I cover all maintenance,installations and building projects all over Cornwall
Get in touch
DWA Carpentry
No reviews yet
Extension Builder in St Ives, Cornwall
Over 20 years experience Fully qualified NVQ level 3 Carpenter. Timberframe specialist. Looking to take on Timberframe new builds & Extensions. First & second fix carpentry also welcome & Kitchens.
Get in touch
Paul Robbins building and maintenance
No reviews yet
Extension Builder in St Ives, Cornwall
Iam builder been in the trade for over 40 years. Been running my own company for over 20 years
Get in touch
Jasonmcilroy plumbing&heating
Rating: 4.8 out of 5
Extension Builder in St Ives, Cornwall
Domestic plumber with 10 years experience. Confident and competent at completing both large and small plumbing work. Can work just as well independently as I can being a part of a larger workforce. Based around the Truro area but willing to travel for the right job.i have my own vehicle and own tools.
Get in touch
Latest review:
Plumbing- 14 Sep 2025
Jason was really quick to get back to us and fitted our job in around his other work - thank you :)
Spittal Building Services
No reviews yet
Extension Builder in St Ives, Cornwall
Spittal offer a range of buildings services, from construction management, new builds and refurbishment of properties throughout Cornwall.
Get in touch

Top rated Extension Builders

Our Extension Builders in St Ives, Cornwall, are rated 5 out of 5 based on 2 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What types of services are offered by local extension builders in St Ives, Cornwall?

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 Ives, Cornwall 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 Ives, Cornwall who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in St Ives, Cornwall?

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

Find extension builders in St Ives, Cornwall with MyBuilder

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

Step 2: Compare different extension builders in St Ives, Cornwall

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

Step 3: Hire St Ives, Cornwall extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in St Ives, Cornwall, 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 Ives, Cornwall extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a St Ives, Cornwall extension builder before hiring?

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

An extension builder in St Ives, Cornwall 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 Ives, Cornwall 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 Ives, Cornwall?

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 Ives, Cornwall 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 Ives, Cornwall 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 Ives, Cornwall

Can an extension builder in St Ives, Cornwall help with planning permission?

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

Many St Ives, Cornwall 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 Ives, Cornwall help with materials and finishes?

Yes, most extension builders in St Ives, Cornwall 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.