# Gas engineers in Carshalton

9 gas engineers near Carshalton, ranked by the strength of independent public evidence (reviews, verified credentials and registry data cross-checked across named sources — no ads, no paid placement). Below are the top 9 by evidence.

| Trader | Location | Rating | Reviews | Named sources |
| --- | --- | --- | --- | --- |
| [Onyx Property Group Ltd](https://mytrustedtraders.com/traders/onyx-plumbing-ltd-2) | Carshalton | 4.9/5 | 139 | Checkatrade, Companies House, TrustATrader |
| [1st Fix Electrics](https://mytrustedtraders.com/traders/1st-fix-electrics) | Carshalton | 5.0/5 | 583 | Checkatrade, Companies House |
| [Carshalton Plumbing & Heating](https://mytrustedtraders.com/traders/carshalton-plumbing-heating) | Carshalton | 5.0/5 | 327 | Checkatrade |
| [JF Heating Ltd](https://mytrustedtraders.com/traders/jf-heating-ltd-2) | Carshalton | 5.0/5 | 224 | Checkatrade |
| [DM Plumbing](https://mytrustedtraders.com/traders/dm-plumbing) | Carshalton | 5.0/5 | 190 | Checkatrade |
| [Flame Heating](https://mytrustedtraders.com/traders/flame-heating) | Carshalton | 5.0/5 | 252 | Checkatrade |
| [Romans Plumbing](https://mytrustedtraders.com/traders/romans-plumbing) | Carshalton | 5.0/5 | 236 | Checkatrade |
| [Herbert Electrical](https://mytrustedtraders.com/traders/herbert-electrical) | Carshalton | 4.9/5 | 103 | Checkatrade |
| [Ascots Fire & Flue](https://mytrustedtraders.com/traders/ascots-fire-flue) | Carshalton | 5.0/5 | 34 | Checkatrade |

Each trader's full public evidence is at its profile URL (append `/md` for a Markdown version). See all gas engineers in the United Kingdom at `https://mytrustedtraders.com/find/gas-engineer`.

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Source: MyTrustedTraders — https://mytrustedtraders.com/find/gas-engineer/carshalton
Real public evidence only: every figure traces to a named source and is cross-checked. If a source does not carry a field, it is not shown.