Gas engineers in London

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565 gas engineers in London, rated 4.6★ on average. Compare them on responsiveness, reviews and verified credentials — then contact someone who can come out fast.

Other trades in London

Working on a bigger project? Find other trusted trades in the same area.

Gas engineers in other areas

Looking further afield? Browse gas engineers in other United Kingdom areas.

What to check when hiring gas engineers in London

MyTrustedTraders ranks on independent public evidence — no ads, no paid placement. Use these checks alongside the evidence on each profile before you decide who to contact.

  • Confirm they cover your area and can actually come out in your timeframe before anything else.
  • Read recent reviews for reliability and turning up on time — not only the quality of the work.
  • Agree the call-out fee up front, and be wary of large upfront deposits for an emergency job.
  • Run the Cowboy Checker to confirm the business is real before you let anyone in.

Frequently asked questions

How many gas engineers are there in London?
565 gas engineers with public evidence are listed in London, ranked by the strength of that evidence — reviews across named platforms, verified credentials and company records.
How are gas engineers in London ordered?
By independent public evidence only. There are no ads and no paid placement — no gas engineer can pay to rank higher, add a badge, or change their reviews.
Are these gas engineers based in London?
We show gas engineers whose public listings place them in or near London. Always confirm a gas engineer covers your exact address — and check credentials and insurance — before you hire.