The 10 Best Plumbers in Swansea 2026

Ranked by real customer reviews, Gas Safe 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. Warmserve Services Ltd is a plumber in Swansea, rated 4.8/5 from 139 Google reviews. Registered with Companies House (no. 08395055) and currently active. Established Google Business Profile with 139+ customer reviews.

    4.8โ˜… (139 reviews)3 verification sources
    4.8โ˜…
    139 reviews

  2. JPM Plumbing and heating is a plumber in Swansea, rated 4.9/5 from 129 Google reviews. Registered with Companies House (no. 17132473) and currently active. Established Google Business Profile with 129+ customer reviews.

    4.9โ˜… (129 reviews)3 verification sources
    4.9โ˜…
    129 reviews

  3. Cambriani Plumbing & Heating Ltd is a plumber in Swansea, rated 4.9/5 from 79 Google reviews. Registered with Companies House (no. 13280408) and currently active. Established Google Business Profile with 79+ customer rev

    4.9โ˜… (79 reviews)3 verification sources
    4.9โ˜…
    79 reviews

  4. Swansea Plumbers & Boilers Ltd is a plumber in Swansea, rated 5/5 from 83 Google reviews. Registered with Companies House (no. 16218507) and currently active. Established Google Business Profile with 83+ customer reviews

    5.0โ˜… (83 reviews)3 verification sources
    5.0โ˜…
    83 reviews

  5. Antlin Plumbing & Heating is a plumber in Swansea, rated 4.9/5 from 89 Google reviews. Registered with Companies House (no. 07890433) and currently active. Established Google Business Profile with 89+ customer reviews.

    4.9โ˜… (89 reviews)3 verification sources
    4.9โ˜…
    89 reviews

  6. Greens Precise Plumbing & Heating ltd is a plumber in Swansea, rated 5/5 from 45 Google reviews. Registered with Companies House (no. 12784220) and currently active. Verified Google Business Profile.

    5.0โ˜… (45 reviews)3 verification sources
    5.0โ˜…
    45 reviews

  7. GSW & Son Plumbing and Property services is a plumber in Swansea, rated 5/5 from 160 Google reviews. Registered with Companies House (no. 16310702) and currently active. Established Google Business Profile with 160+ cust

    5.0โ˜… (160 reviews)Companies House registered
    5.0โ˜…
    160 reviews

  8. Ace Gas Services is a plumber in Swansea, rated 4.9/5 from 41 Google reviews. Registered with Companies House (no. 16792692) and currently active. Verified Google Business Profile.

    4.9โ˜… (41 reviews)3 verification sources
    4.9โ˜…
    41 reviews

  9. Star Gas Services Wales is a plumber in Swansea, rated 4.9/5 from 28 Google reviews. Registered with Companies House (no. 14798030) and currently active. Verified Google Business Profile.

    4.9โ˜… (28 reviews)3 verification sources
    4.9โ˜…
    28 reviews

  10. OWL Plumbing and Heating Services LTD is a plumber in Swansea, rated 5/5 from 16 Google reviews. Registered with Companies House (no. 15844453) and currently active. Verified Google Business Profile.

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

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