About 123 Gas · Gas Safe registered (reg. no. 654324)

We are 123 Gas

Gas Safe registered heating engineers covering Edinburgh and the Lothians. Fixed prices in writing before we start, and 700+ reviews across Google, MyBuilder and Trusted Trader.

Fixed written prices24/7 for gas emergenciesEdinburgh & the Lothians
Jakub, a 123 Gas Edinburgh heating engineer, standing in front of the branded company van

Edinburgh’s specialist gas and heating engineers

123 Gas is a Gas Safe registered heating firm working across Edinburgh and the Lothians. Boiler installation, repairs and servicing is the day job, for homeowners and landlords alike.

Meet Jakub

Jakub and the team at 123 Gas have spent more than 20 years in the plumbing, gas and building trades. In that time they have seen just about everything a home’s heating can throw at them.

That experience goes into every job, and the aim never changes: do the work properly and deliver the very best for every customer.

  • Covering Edinburgh, Midlothian & the Lothians
  • Accredited Edinburgh Trusted Trader
  • Hours Open 24/7
  • Brands fitted Worcester Bosch, Vaillant, Ideal, Baxi, Glow-worm

Reviews

700+ reviews across Google, MyBuilder and Trusted Trader

700+ five-star reviews across Google, MyBuilder & Trusted Trader

4.9 Google 5.0 MyBuilder 5.0 Trusted Trader

Gas Safe Register

654324

123 Gas

Check the register

Trained, qualified and Gas Safe Registered

Everyone working on your gas is on the Gas Safe Register. That is the legal requirement for gas work in the UK, and it covers the specific types of job each engineer is signed off to do.

Our registration number is above, and you can look it up on the register any time. You are also welcome to ask to see an engineer’s ID card at the door.

Our work

View our recent installs

A few recent jobs around Edinburgh and the Lothians.

A Glow-worm combi boiler installed in a cupboard above tidy soldered copper pipework
Glow-worm combi with the copper run square to the wall.
A Vaillant boiler beside an unvented hot water cylinder with labelled pipework
Vaillant boiler and unvented cylinder, pipework labelled up.
An eight zone underfloor heating manifold with numbered, colour coded circuits
Eight zone underfloor manifold, every circuit numbered.

See more of our work →

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