The 10 Best Builders in Swansea 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. Herms Construction is a builder in Swansea, rated 5/5 from 12 Google reviews. Registered with Companies House (no. 14432413) and currently active. Verified Google Business Profile.

    5.0โ˜… (12 reviews)3 verification sourcesoperator-verified listing
    5.0โ˜…
    12 reviews

  2. Bambridge Loft Conversions is a builder in Swansea, rated 4.9/5 from 40 Google reviews. Verified Google Business Profile.

    4.9โ˜… (40 reviews)3 verification sources
    4.9โ˜…
    40 reviews

  3. JM Building Contractors is a builder in Swansea, rated 4.8/5 from 20 Google reviews. Registered with Companies House (no. 15827765) and currently active. Verified Google Business Profile.

    4.8โ˜… (20 reviews)3 verification sources
    4.8โ˜…
    20 reviews

  4. Bardic Construction Limited is a builder in Swansea, rated 5/5 from 16 Google reviews. Registered with Companies House (no. 11891815) and currently active. Verified Google Business Profile.

    5.0โ˜… (16 reviews)3 verification sources
    5.0โ˜…
    16 reviews

  5. No Limit Construction ltd is a builder in Swansea, rated 5/5 from 14 Google reviews. Registered with Companies House (no. 14961657) and currently active. Verified Google Business Profile.

    5.0โ˜… (14 reviews)3 verification sources
    5.0โ˜…
    14 reviews

  6. Atrium Construction is a builder in Swansea, rated 5/5 from 9 Google reviews. Registered with Companies House (no. 14111063) and currently active.

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

  7. K&R Construction Ltd is a builder in Swansea, rated 4.6/5 from 22 Google reviews. Registered with Companies House (no. 10568809) and currently active. Verified Google Business Profile.

    4.6โ˜… (22 reviews)3 verification sources
    4.6โ˜…
    22 reviews

  8. Andrew Scott Ltd - Head Office is a builder in Swansea, rated 4.6/5 from 17 Google reviews. Registered with Companies House (no. 00406516) and currently active. Verified Google Business Profile.

    4.6โ˜… (17 reviews)3 verification sources
    4.6โ˜…
    17 reviews

  9. Premier Forecourts and Construction is a builder in Swansea, rated 4.7/5 from 12 Google reviews. Registered with Companies House (no. 03356326) and currently active. Verified Google Business Profile.

    4.7โ˜… (12 reviews)3 verification sources
    4.7โ˜…
    12 reviews

  10. Bespoke Construction & Plastering Ltd is a builder in Swansea, rated 5/5 from 5 Google reviews. Registered with Companies House (no. 15977576) and currently active.

    5.0โ˜… (5 reviews)Companies House registered
    5.0โ˜…
    5 reviews

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