Gas Engineer in London
Gas Safe registered engineers for boiler repairs, Gas Safety Certificates, appliance installation and gas pipework across London. Available 24/7, 365 days a year.
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Available 24/7. Gas Safe registered engineers.
Gas engineer services we provide
From emergency gas call-outs to annual landlord Gas Safety Certificates, RARE provides a complete gas engineering service across London.
Gas Safe registration is not optional — it is a legal requirement for anyone working on gas appliances in the UK. Under the Gas Safety (Installation and Use) Regulations 1998, only registered engineers are permitted to install, service or repair gas boilers, gas cookers, gas fires and associated pipework. RARE's engineers are Gas Safe registered, fully insured and provide their registration card on arrival at every job.
For landlords, the obligation to hold a valid Gas Safety Certificate (CP12) for every tenanted property is both a legal duty and a matter of tenant safety. Failure to comply is a criminal offence that can result in unlimited fines and imprisonment. RARE issues CP12 certificates same day for most properties and provides digital copies for your records, letting agent and tenants as required by law.
Beyond statutory compliance, our gas engineers carry out full combustion analysis to ensure boilers are operating at peak efficiency — a service that can identify issues before they become failures and reduce annual running costs significantly.
- Gas Safety Certificates (CP12) for landlords
- Boiler repairs & emergency call-outs
- Boiler servicing & annual maintenance
- New boiler & gas appliance installations
- Gas pipework installation & testing
- Flue inspections & combustion analysis
- Gas leak investigations
- Gas pressure testing & remedials
- Gas appliance disconnection & reconnection
- Commercial Gas Safety inspections (CP16/CP17)
Book a Gas Engineer
Gas Safe registered. Available 24/7. Fixed transparent pricing.
020 7458 4949Book OnlineWhat our clients say
"Needed a Gas Safety Certificate for my rental property before new tenants moved in. RARE were available at 48 hours notice, thorough and provided the certificate the same day."
Richard H.
Mayfair
"Our gas engineer from RARE was exceptional. Boiler service, flue check, CP12 — all done in 90 minutes. The report was detailed and exactly what our managing agent required."
Anna K.
St John's Wood
"We use RARE for all CP12 certificates across our managed portfolio. Reliable, always available and their documentation is impeccable."
Property Manager
Knightsbridge
Serving London's most iconic neighbourhoods.
Our engineers are established across prime London — near landmarks including Berkeley Square, Harrods, Eaton Square, Regent's Park and Hampstead Heath.
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Boiler Repairs
Boiler fault alongside your gas work? Our engineers carry parts for all major brands.
Boiler Installation
New gas appliance needed? We supply and fit all leading boiler brands with full Gas Safe certification.
PPM Membership
Annual Gas Safety Certificates included in all PPM membership plans from £750 p.a.
Authoritative Sources & References
- .gov.ukGas Safety (Installation and Use) Regulations 1998
HSE (Health and Safety Executive) — HSE guidance on gas safety regulations and the legal requirement for Gas Safe registration.
- .gov.ukGas Safety for Landlords
GOV.UK — Government guidance on landlord obligations for annual Gas Safety Certificates (CP12).
- WikipediaGas Safe Register
Wikipedia — Background on the UK's official gas registration body that replaced CORGI in 2009.
Gas engineering — complete topic guide
Boiler Repairs
24/7 emergency Gas Safe repairs
Boiler Servicing
Annual Gas Safe service & safety check
Boiler Installation
Combi & system boiler replacement
Heating Engineer London
Full system design & diagnostics
Emergency Plumbers
24/7 rapid response
PPM Maintenance
Annual care plans from £750 p.a.
Boiler Error Codes
140+ fault codes across 20 brands
Related reading from our Knowledge Hub
Reviewed by RARE Plumbing London Engineering Team
Gas Safe Registered Heating Engineers · Reviewed 1 September 2026









