The 10 Best Plumbers in Merthyr Tydfil 2026

Ranked by real customer reviews, listing activity and Companies House registration, from public sources.

How this ranking is calculated

Composite score from public signals:

  • Google Business Profile star rating (when 3+ reviews)
  • Google Business Profile review count (log-scaled)
  • How many public profile links the listing carries: Companies House number, Google Business Profile, other directory profiles the business has supplied, its own website
  • Whether the listing has been claimed by its owner

No business can pay to be listed, and no reviews are fabricated. Placement is influenced by an optional paid Premium subscription, which puts a business ahead of equally-scored rivals here. Premium businesses carry a Premium badge on their own profile page and in our directory listings, but this list does not mark them.

  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 Google 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 Google 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 Google reviews

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

    5.0★ (3 reviews)3 public profile links
    5.0★
    3 Google reviews
  5. 5.0★ (3 reviews)3 public profile links
    5.0★
    3 Google reviews

  6. 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 public profile links
    4.1★
    19 Google reviews

  7. 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 public profile links
    4.0★
    4 Google reviews

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

    4.0★ (5 reviews)
    4.0★
    5 Google reviews

  9. 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 Google reviews

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

    3 public profile links

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