The 4 Best Builders in Rhymney 2026

Ranked by real customer reviews, FMB 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. KG Building & Roofing is a builder in Tredegar, rated 5/5 from 4 Google reviews. Registered with Companies House (no. 17188463) and currently active.

    5.0โ˜… (4 reviews)3 verification sources
    5.0โ˜…
    4 reviews

  2. Valleys home improvements is a builder in Tredegar, rated 4.4/5 from 20 Google reviews. Verified Google Business Profile.

    4.4โ˜… (20 reviews)
    4.4โ˜…
    20 reviews

  3. JALT Building Contractors Ltd is a builder in Tredegar, Wales. Registered with Companies House (no. 09601194) and currently active.

    3 verification sources

  4. BWT GROUP LTD is a builder in Rhymney, Wales. Registered with Companies House (no. 14845309) and currently active.

    3 verification sources

Want more options? See all builders in Rhymney โ†’