The 10 Best Plumbers in Merthyr Tydfil 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. Poseidon Plumbing & Heating is a plumber in Merthyr Tydfil, rated 5/5 from 20 Google reviews. Registered with Companies House (no. 08756104) and currently active. Verified Google Business Profile.

    5.0★ (20 reviews)Companies House registered
    5.0★
    20 reviews

  2. Will Thomas Plumbing & Heating Ltd is a plumber in Merthyr Tydfil, rated 5/5 from 20 Google reviews. Registered with Companies House (no. 14176867) and currently active. Verified Google Business Profile.

    5.0★ (20 reviews)Companies House registered
    5.0★
    20 reviews

  3. Heatflo (formally known as C Buckley Plumbing and Heating) is a plumber in Merthyr Tydfil, rated 5/5 from 47 Google reviews. Verified Google Business Profile.

    5.0★ (47 reviews)
    5.0★
    47 reviews

  4. CKM Plumbing And Heating is a plumber in Merthyr Tydfil, rated 5/5 from 3 Google reviews.

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

  5. Dowlais Heating Ltd is a plumber in Merthyr Tydfil, rated 4.1/5 from 19 Google reviews. Registered with Companies House (no. 04595024) and currently active. Verified Google Business Profile.

    4.1★ (19 reviews)3 verification sources
    4.1★
    19 reviews

  6. Gascraft is a plumber in Merthyr Tydfil, rated 4/5 from 4 Google reviews. Registered with Companies House (no. 04952825) and currently active.

    4.0★ (4 reviews)3 verification sources
    4.0★
    4 reviews

  7. City Plumbing Merthyr Tydfil is a plumber in Merthyr Tydfil, rated 4/5 from 5 Google reviews.

    4.0★ (5 reviews)
    4.0★
    5 reviews

  8. Karl Jones Plumbing & Heating Services is a plumber in Merthyr Tydfil, rated 3.5/5 from 11 Google reviews. Registered with Companies House (no. 05014763) and currently active. Verified Google Business Profile.

    Companies House registered
    3.5★
    11 reviews

  9. Plumbvision is a plumber in Merthyr Tydfil, rated 5/5 from 1 Google review. Registered with Companies House (no. 12315042) and currently active.

    3 verification sources

  10. M&T heating and plumbing LTD is a plumber in Merthyr Tydfil, rated 5/5 from 1 Google review. Registered with Companies House (no. 16531073) and currently active.

    Companies House registered

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