Which Builder Should You Choose in Gwynedd?

Review 4 building contractors across Gwynedd, including Caernarfon, Criccieth and Penrhyndeudraeth, and find out what each firm offers. Consider customer feedback and business details, then shortlist builders who handle the type of construction work you need.
We offer a 10-year guarantee on our workmanship.
T I R Construction offers expert building services in North Wales, including new builds, renovations, and extensions. Trusted for quality, reliability, and client-focused solutions since our establishment.
Conservation Renovations Conversions
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Tu Mewn
21 Years
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We offer 18+ years of expertise in kitchen and bathroom design and installation.
Discover luxury kitchen and bathroom solutions from Tu Mewn, a family-run business in Nefyn, Gwynedd. Winner of multiple BKU Awards for excellence and customer service.
Kitchen Design Bathroom Installation Full Project Management
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Celtic Heritage
30 Years
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We have over 40 years of combined experience in construction and stonemasonry.
Celtic Heritage offers expert construction, stonemasonry, and landscaping services across Wales, the Midlands, and North West. Established in 1996, we deliver high-quality, cost-effective projects for public and private sectors.
Stonemasonry Landscaping Construction
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Henry Jones Builders
50+ Years
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Family-controlled business ensuring quality oversight
Henry Jones Builders, established in 1962, offers expert construction and public works services in Criccieth, including new builds, refurbishments, and bespoke joinery.
New Build Houses Public Buildings Refurbishment