The 10 Best Gas Engineers in Cardiff 2026
Ranked by real customer reviews, Gas Safe 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.
Let's Heat is a gas engineer in Cardiff, rated 5/5 from 150 Google reviews. Established Google Business Profile with 150+ customer reviews.
5.0โ (150 reviews)3 verification sources5.0โ150 reviewsBoilerhut 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.
4.8โ (95 reviews)3 verification sources4.8โ95 reviewsGoGas Solutions Plumbing And Heating is a gas engineer in Cardiff, rated 5/5 from 47 Google reviews. Registered with Companies House (no. 12802614) and currently active. Verified Google Business Profile.
5.0โ (47 reviews)3 verification sources5.0โ47 reviewsQuartz Plumbing and Heating is a gas engineer in Cardiff, rated 5/5 from 33 Google reviews. Registered with Companies House (no. 14110471) and currently active. Verified Google Business Profile.
5.0โ (33 reviews)3 verification sources5.0โ33 reviewsExtreme Heating Ltd is a gas engineer in Cardiff, rated 4.9/5 from 35 Google reviews. Registered with Companies House (no. 11116161) and currently active. Verified Google Business Profile.
4.9โ (35 reviews)3 verification sources4.9โ35 reviewsKB Heating & Plumbing is a gas engineer in Cardiff, rated 5/5 from 32 Google reviews. Registered with Companies House (no. 17181949) and currently active. Verified Google Business Profile.
5.0โ (32 reviews)Companies House registered5.0โ32 reviewsBen Sexton Heating and Plumbing is a gas engineer in Cardiff, rated 5/5 from 15 Google reviews. Verified Google Business Profile.
5.0โ (15 reviews)3 verification sources5.0โ15 reviewsBoiler 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.
4.8โ (19 reviews)Companies House registered4.8โ19 reviewsGSG Plumbing and Heating is a gas engineer in Cardiff, rated 4.7/5 from 32 Google reviews. Registered with Companies House (no. 16501299) and currently active. Verified Google Business Profile.
4.7โ (32 reviews)3 verification sources4.7โ32 reviewsA.T Heating & Plumbing is a gas engineer in Cardiff, rated 4.8/5 from 59 Google reviews. Established Google Business Profile with 59+ customer reviews.
4.8โ (59 reviews)4.8โ59 reviews
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