# Gas engineers in Watford

24 gas engineers near Watford, 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 12 by evidence.

| Trader | Location | Rating | Reviews | Named sources |
| --- | --- | --- | --- | --- |
| [Blue Flame Central Heating Ltd](https://mytrustedtraders.com/traders/blue-flame-central-heating-limited) | Bushey | 4.9/5 | 214 | Checkatrade, Companies House |
| [Heat Tech Services Limited](https://mytrustedtraders.com/traders/heat-tech-services-limited) | Rickmansworth | 5.0/5 | 382 | Checkatrade, Which? Trusted Traders |
| [Revive Plumbing Services Ltd](https://mytrustedtraders.com/traders/revive-plumbing-services-limited) | Bushey | 5.0/5 | 311 | Checkatrade, Companies House |
| [1st Avenue Gas Plumbing and Heating Services](https://mytrustedtraders.com/traders/1st-avenue-gas-plumbing-and-heating-services) | Bushey | 5.0/5 | 73 | Checkatrade, Companies House |
| [London Gas Maintenance Ltd](https://mytrustedtraders.com/traders/london-gas-maintenance-ltd-2) | Bushey | 4.9/5 | 166 | Checkatrade, MyBuilder |
| [Thunder Electrical Services Ltd](https://mytrustedtraders.com/traders/thunder-electrical-services-ltd-2) | Watford | 5.0/5 | 93 | Checkatrade, Companies House |
| [PGR Plumbing & Heating](https://mytrustedtraders.com/traders/pgr-plumbing-heating-2) | Watford | 5.0/5 | 107 | Checkatrade |
| [Secta Building Services Ltd](https://mytrustedtraders.com/traders/secta-building-services-ltd) | Watford | 5.0/5 | 371 | Checkatrade |
| [Lion Plumbing Ltd](https://mytrustedtraders.com/traders/lion-plumbing-ltd-2) | Watford | 5.0/5 | 74 | Checkatrade, Companies House |
| [Aplus Heating Services Ltd](https://mytrustedtraders.com/traders/aplus-heating-services-ltd-2) | Watford | 5.0/5 | 363 | Checkatrade |
| [Pentagon Plumbing Ltd](https://mytrustedtraders.com/traders/pentagon-plumbing-ltd-2) | Watford | 4.8/5 | 132 | Checkatrade |
| [WD Appliance Repairs LTD](https://mytrustedtraders.com/traders/wd-appliance-repairs-ltd) | Watford | 5.0/5 | 78 | 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/watford
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.