The 9 Best Builders in Carmarthen 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. iBuild is a builder in Carmarthen, rated 5/5 from 11 Google reviews. Verified Google Business Profile.

    5.0โ˜… (11 reviews)3 verification sources
    5.0โ˜…
    11 reviews

  2. Oren Construction Ltd is a builder in Carmarthen, rated 5/5 from 5 Google reviews. Registered with Companies House (no. 03677120) and currently active.

    5.0โ˜… (5 reviews)3 verification sources
    5.0โ˜…
    5 reviews

  3. Julian Construction is a builder in Carmarthen, rated 4.3/5 from 6 Google reviews.

    4.3โ˜… (6 reviews)3 verification sources
    4.3โ˜…
    6 reviews

  4. Morgan Construction Wales is a builder in Carmarthen, rated 4.3/5 from 6 Google reviews. Registered with Companies House (no. 04940619) and currently active.

    4.3โ˜… (6 reviews)3 verification sources
    4.3โ˜…
    6 reviews

  5. morgan homes is a builder in Carmarthen, rated 3.7/5 from 3 Google reviews. Registered with Companies House (no. 07707200) and currently active.

    3 verification sources
    3.7โ˜…
    3 reviews

  6. Berrell Building Contractors Ltd is a builder in Carmarthen, rated 5/5 from 1 Google review. Registered with Companies House (no. 05177897) and currently active.

    Companies House registered

  8. Phil Davies Building Contractor is a builder in Carmarthen, Wales.

  9. D W Furlong Building Contractors & Property Maintenance is a builder in Carmarthen, rated 4/5 from 2 Google reviews.

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