Gas Safe Registered

Trusted Gas Engineer in London — Emergency & Domestic

Boiler servicing, gas safety certificates, leak detection & full gas installations by OhLondon Ltd. Rated 5.0 ★

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1200+Gas certificates
5.0★ from 1,000+ reviews
8+Years experience
Gas Safe Registered
Fully Insured
5-Star Reviews
Local Business

Our services

Professional Gas & Heating Services

Gas Safety Certificates

Landlord & homeowner gas safety checks, CP12 certified within 24h in London.

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Boiler Servicing

Full boiler service & maintenance by Gas Safe engineers across London & suburbs.

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Gas Leak Detection

Emergency gas leak detection & repair, rapid response in London – 24/7 callouts.

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Cooker Installation

Safe gas cooker and hob installation, removal of old appliances, full connection.

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Gas Pipe Work

New gas line installation, pipe upgrades, gas meter relocation in London.

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Emergency Callouts

24/7 emergency gas engineer in London – no call-out fee, fixed rates.

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Why choose us

London’s Reliable Gas Engineers

  • Gas Safe registered with 8+ years experience
  • 5-star rated by over 1,000 London homeowners
  • Emergency callouts – same day, no extra charge
  • Fully insured & transparent pricing
gas engineer London
★ 5.0 / 5.0

Testimonials

What Our Customers Say

“OhLondon fitted our new boiler and gas line. They were prompt, tidy, and the price was fair. Highly recommend.”

James Mitchell

Hampstead, London

“Fast response for a gas leak on Sunday. Professional, put our minds at ease. Will use again.”

Sarah Chen

St John's Wood

“Yearly gas safety certificate done efficiently. Friendly engineer, all paperwork digital. Great service.”

David Okonjo

Golders Green

Coverage – London & surrounding

  • Camden Town
  • Hampstead
  • Highgate
  • Finchley
  • Muswell Hill
  • Edgware
  • Barnet
  • Wembley

Serving all London postcodes, 24/7 emergency.

FAQ

Gas Engineer Questions

How quickly can you respond to a gas emergency?
We offer same-day emergency callouts across London. Call +44 7900 663311 for immediate assistance.
Are you Gas Safe registered?
Yes, OhLondon Ltd is fully Gas Safe registered, insured, and certified for all domestic gas work.
What does a gas safety certificate include?
A full inspection of all gas appliances, flues, and pipework – CP12 certificate issued.
Do you install gas cookers and hobs?
Yes, we install all gas cookers, hobs, and ovens, including removal of old appliances.
What areas of London do you cover?
We cover all of Greater London, especially NW, N, and central postcodes. 24/7 service.

Emergency? Or need a quote — we’re here

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