The 10 Best Builders 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. Phoenix Fencing & Construction is a builder in Merthyr Tydfil, rated 5/5 from 63 Google reviews. Registered with Companies House (no. 13404888) and currently active. Established Google Business Profile with 63+ customer

    5.0★ (63 reviews)3 public profile links
    5.0★
    63 Google reviews

  2. Ainsley Construction Ltd is a builder in Merthyr Tydfil, rated 4.7/5 from 13 Google reviews. Registered with Companies House (no. 05402297) and currently active. Verified Google Business Profile.

    4.7★ (13 reviews)3 public profile linksclaimed by its owner
    4.7★
    13 Google reviews

  3. KELRAY LTD is a builder in Merthyr Tydfil, rated 4.9/5 from 9 Google reviews. Registered with Companies House (no. 03623378) and currently active.

    4.9★ (9 reviews)3 public profile links
    4.9★
    9 Google reviews

  4. DeckPlus Composite Decking is a builder in Merthyr Tydfil, rated 4.8/5 from 63 Google reviews. Established Google Business Profile with 63+ customer reviews.

    4.8★ (63 reviews)
    4.8★
    63 Google reviews

  5. Albert & Flaherty Building Service Ltd is a builder in Merthyr Tydfil, rated 4.4/5 from 9 Google reviews. Registered with Companies House (no. 05239743) and currently active.

    4.4★ (9 reviews)3 public profile links
    4.4★
    9 Google reviews

  6. Ridgestone Construction Ltd. is a builder in Merthyr Tydfil, rated 4.2/5 from 5 Google reviews. Registered with Companies House (no. 07983624) and currently active.

    4.2★ (5 reviews)3 public profile links
    4.2★
    5 Google reviews

  7. Taylors Construction is a builder in Merthyr Tydfil, rated 5/5 from 2 Google reviews.

    3 public profile links

  8. Regan Construction is a builder in Merthyr Tydfil, rated 5/5 from 1 Google review. Registered with Companies House (no. 10176674) and currently active.

    3 public profile links

  9. Maxiom Limited is a builder in Dowlais, Wales. Registered with Companies House (no. 04408570) and currently active.

    3 public profile links

  10. Islwyn Pugh Construction Ltd is a builder in Dowlais, Wales. Registered with Companies House (no. 05512104) and currently active.

    3 public profile links

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