Specialists in Timber Frame & Brick Built Extensions
House extensions, garage conversions and garden rooms across South Wales - designed and built by people who take real pride in the finished result.
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40+ Years Experience
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All Work Guaranteed
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Free Design Consultation
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Fixed Price Quotes
We Design It, We Build It, We Stand Behind It
Timber and Brick Design & Build is run by Keith and Aaron Sealey – a father-and-son team of experienced tradesmen with over 40 years of combined building expertise.
We specialise in house extensions, garage conversions and garden rooms, handling everything from the initial design right through to the finished build. You deal with us throughout - no passing you between contractors, no coordination headaches.
Every project comes with a free design consultation and a clear, fixed-price quotation, allowing you to move forward with confidence and no unexpected costs.
Our Services
From full house extensions to bespoke garden rooms, we deliver the complete package - design, planning support, and a build you'll be proud of for years to come.
House Extensions
Add space and value to your home with a professionally designed and built extension.
Garage Conversions
Transform your unused garage into a fully usable, comfortable living space.
Garden Rooms
A stylish, purpose-built space at the bottom of your garden - ideal for a home office, gym or studio.
One Team. One Point of Contact. No Stress.
We manage every stage of your project so you don't have to. From the first design conversation to the day we hand over the keys, Keith and Aaron are with you all the way.
Latest Projects
Take a look at some of our recent builds across South Wales. Every project is finished to the same high standard, whether it's a full extension or a compact garden room.
View Full GalleryAreas We Cover
We're based in Ton Pentre and take on projects throughout South Wales, including the Rhondda Valley, Cardiff, Bridgend, Merthyr Tydfil, Pontypridd, and the surrounding areas.
If you're unsure whether we cover your area, feel free to get in touch - we're happy to help.
Ready to Get Started?
Book your free design consultation today and let's talk about what's possible. No obligation, just an honest conversation about your project.