The 6 Best Insulation Specialists in Cardiff 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. Cardiff Insulation Company is an insulation specialist in Cardiff, rated 5/5 from 29 Google reviews. Verified Google Business Profile.

    5.0★ (29 reviews)
    5.0★
    29 reviews

  2. Robert Price - Insulation is an insulation specialist in Cardiff, rated 4.9/5 from 28 Google reviews. Verified Google Business Profile.

    4.9★ (28 reviews)
    4.9★
    28 reviews

  3. Encon Insulation and Nevill Long Cardiff is an insulation specialist in Cardiff, rated 4.3/5 from 43 Google reviews. Registered with Companies House (no. 01377342) and currently active. Verified Google Business Profile.

    4.3★ (43 reviews)3 verification sources
    4.3★
    43 reviews

  4. Severn Insulation is an insulation specialist in Cardiff, rated 3.7/5 from 6 Google reviews. Registered with Companies House (no. 01170999) and currently active.

    3 verification sources
    3.7★
    6 reviews
  5. Companies House registered
  6. Companies House registered

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