Quick contact info

Contact us today for your no obligation free advice and quotation.

Monday-Friday: 9am to 5pm; The Builder, Cornerstone House, Park Ave, Saint Ives TR26 2DN 07767 457790 jason@thebuilderinstives.co.uk
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Our Services

Expert builders in refurbishments, refits and conversions

Full Service Building & Construction

Based in St Ives, Cornwall, The Builder provide a complete service for any type of building project in the West Cornwall area. We offer a friendly, approachable and reliable service, with an end-to-end client experience that includes seamless communication, and progress updates throughout the project. We are happy to work on small or large projects involving everything from design, planning and building work. Our services also cover bespoke tiling, plastering, and flooring work, as well as carpentry, bricklaying, plus some general maintenance and damp remedial repair work.

New Build Construction

Single and double storey residential and commercial extensions.

Barn, Loft & Garage Conversions

We can convert your space to a beautiful contemporary home or room.

Kitchen & Bathroom Refits

Our experienced installation team can bring your dream space to life.

Property Refurbishments

A complete makeover to your property, with our high-end renovation & refurbishment work.

General Maintenance

Essential services for your property including; plumbing, electrics, and decorating.

Landscaping & Garden Design

All types of groundwork and landscaping, including patios, fencing and pergolas.

About us

Why Choose Us?

The Builder in St Ives has over 30 years of experience working on all kinds of projects, from small refurbishments to large, new build developments. We have built up an excellent reputation in the West Cornwall area due to our commitment to delivering only the highest quality building work.

Call us now to discuss your project

07767 457790



Thank you for all your efforts on Lahaina, we simply could not have done it without you. We look forward to working with you for many years to come.


Jason and his team converted our garage in to a bedroom with en-suite in St Ives and did a beautiful job would definitely recommend.


Jason did a great job on our attic conversion. He took on the job where others declined. We were given lots of good advice all the way through. I wouldn't hesitate in recommending him


Excellent work! Jason and his team did a brilliant job renovating our house. I wouldn't hesitate to recommend them, high quality workmanship at a competitive price.

M Dinham

Jason Watson built a new balcony plus fitting new sliding doors and window to my property in St Ives. Job was challenging as property is top (3rd) floor on busy harbour front, so working at high level with large scaffold and many people on street below. Jason did an excellent job and I would have no hesitation in using him again.