The 10 Best Gas Engineers 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. Boilerhut Ltd is a gas engineer in Cardiff, rated 4.8/5 from 95 Google reviews. Registered with Companies House (no. 08615540) and currently active. Established Google Business Profile with 95+ customer reviews.

    4.8★ (95 reviews)3 verification sources
    4.8★
    95 reviews

  2. Phixing Plumbing and HVAC Solutions is a gas engineer in Cardiff, rated 5/5 from 197 Google reviews. Registered with Companies House (no. 13044258) and currently active. Established Google Business Profile with 197+ cust

    5.0★ (197 reviews)3 verification sources
    5.0★
    197 reviews

  3. Let's Heat is a gas engineer in Cardiff, rated 4.9/5 from 152 Google reviews. Established Google Business Profile with 152+ customer reviews.

    4.9★ (152 reviews)3 verification sources
    4.9★
    152 reviews

  4. SMC Plumbing and Heating is a gas engineer in Cardiff, rated 5/5 from 206 Google reviews. Established Google Business Profile with 206+ customer reviews.

    5.0★ (206 reviews)3 verification sources
    5.0★
    206 reviews

  5. GoGas Solutions Plumbing And Heating is a gas engineer in Cardiff, rated 5/5 from 50 Google reviews. Registered with Companies House (no. 12802614) and currently active. Established Google Business Profile with 50+ custo

    5.0★ (50 reviews)3 verification sources
    5.0★
    50 reviews

  6. Extreme Heating Ltd is a gas engineer in Cardiff, rated 4.9/5 from 38 Google reviews. Registered with Companies House (no. 11116161) and currently active. Verified Google Business Profile.

    4.9★ (38 reviews)3 verification sources
    4.9★
    38 reviews

  7. Quartz Plumbing and Heating is a gas engineer in Cardiff, rated 5/5 from 34 Google reviews. Registered with Companies House (no. 14110471) and currently active. Verified Google Business Profile.

    5.0★ (34 reviews)3 verification sources
    5.0★
    34 reviews

  8. KB Heating & Plumbing is a gas engineer in Cardiff, rated 5/5 from 33 Google reviews. Registered with Companies House (no. 17181949) and currently active. Verified Google Business Profile.

    5.0★ (33 reviews)3 verification sources
    5.0★
    33 reviews

  9. Ben Sexton Heating and Plumbing is a gas engineer in Cardiff, rated 5/5 from 15 Google reviews. Verified Google Business Profile.

    5.0★ (15 reviews)3 verification sources
    5.0★
    15 reviews

  10. Boiler RITE is a gas engineer in Cardiff, rated 4.8/5 from 19 Google reviews. Registered with Companies House (no. 14403541) and currently active. Verified Google Business Profile.

    4.8★ (19 reviews)Companies House registered
    4.8★
    19 reviews

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