The 10 Best Plumbers in Swansea 2026

Ranked by real customer reviews, listing activity 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. JPM Plumbing and heating is a plumber in Swansea, rated 4.9/5 from 143 Google reviews. Registered with Companies House (no. 17132473) and currently active. Established Google Business Profile with 143+ customer reviews.

    4.9★ (143 reviews)3 verification sources
    4.9★
    143 reviews

  2. Cambriani Plumbing & Heating Ltd is a plumber in Swansea, rated 4.9/5 from 93 Google reviews. Registered with Companies House (no. 13280408) and currently active. Established Google Business Profile with 93+ customer rev

    4.9★ (93 reviews)3 verification sources
    4.9★
    93 reviews

  3. Warmserve Services Ltd is a plumber in Swansea, rated 4.8/5 from 148 Google reviews. Registered with Companies House (no. 08395055) and currently active. Established Google Business Profile with 148+ customer reviews.

    4.8★ (148 reviews)3 verification sources
    4.8★
    148 reviews

  4. Antlin Plumbing & Heating is a plumber in Swansea, rated 4.9/5 from 91 Google reviews. Registered with Companies House (no. 07890433) and currently active. Established Google Business Profile with 91+ customer reviews.

    4.9★ (91 reviews)3 verification sources
    4.9★
    91 reviews

  5. RM Blake Heating | Renewables | Air Conditioning is a plumber in Swansea, rated 5/5 from 50 Google reviews. Established Google Business Profile with 50+ customer reviews.

    5.0★ (50 reviews)operator-verified listing
    5.0★
    50 reviews

  6. GSW & Son Plumbing and Property services is a plumber in Swansea, rated 5/5 from 161 Google reviews. Registered with Companies House (no. 16310702) and currently active. Established Google Business Profile with 161+ cust

    5.0★ (161 reviews)Companies House registered
    5.0★
    161 reviews

  7. 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.

    5.0★ (45 reviews)3 verification sources
    5.0★
    45 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.

    4.9★ (41 reviews)3 verification sources
    4.9★
    41 reviews

  9. Star Gas Services Wales is a plumber in Swansea, rated 4.9/5 from 29 Google reviews. Registered with Companies House (no. 14798030) and currently active. Verified Google Business Profile.

    4.9★ (29 reviews)3 verification sources
    4.9★
    29 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.

    5.0★ (16 reviews)3 verification sources
    5.0★
    16 reviews

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