The 7 Best Builders in Caernarfon 2026

Ranked by real customer reviews, FMB accreditation status and Companies House verification. Updated weekly from public sources.

How this ranking is calculated

Composite score from real, publicly-verifiable signals only:

  • Google Business Profile star rating (when 3+ reviews)
  • Google Business Profile review count (log-scaled)
  • Verification sources: Companies House number, Google Business listing, Checkatrade, TrustATrader, claimed website
  • Operator-claimed listing status

No paid placement. No accepted listings. No fabricated reviews. Source data refreshed weekly.

  1. The Timber Co-operative Ltd is a builder in Caernarfon, rated 5/5 from 43 Google reviews. Verified Google Business Profile.

    5.0โ˜… (43 reviews)3 verification sources
    5.0โ˜…
    43 reviews

  2. Gwynedd Construction is a builder in Caernarfon, rated 5/5 from 9 Google reviews. Registered with Companies House (no. 10300262) and currently active.

    5.0โ˜… (9 reviews)3 verification sources
    5.0โ˜…
    9 reviews

  3. G.L.R Fencing & Groundworks is a builder in Caernarfon, rated 5/5 from 5 Google reviews.

    5.0โ˜… (5 reviews)
    5.0โ˜…
    5 reviews

  4. Megasheds Caernarfon is a builder in Caernarfon, rated 4.3/5 from 4 Google reviews. Registered with Companies House (no. 08588311) and currently active.

    4.3โ˜… (4 reviews)3 verification sources
    4.3โ˜…
    4 reviews

  5. TripleA Extensions - Adeiladau Ansawdd Arbennig Cyf is a builder in Caernarfon, rated 5/5 from 1 Google review. Registered with Companies House (no. 15530408) and currently active.

    3 verification sources

  6. West Coast Builders is a builder in Caernarfon, Wales.

    3 verification sources

  7. Gwynedd and Anglesey Bricklaying, Fencing, Paving and Slabbing is a builder in Caernarfon, rated 5/5 from 1 Google review.

Want more options? See all builders in Caernarfon โ†’