
Heating
Heating & boiler specialists across London
Gas Safe registered · 198664
Trusted brands & certifications
We install, service and repair boilers from the UK's leading manufacturers.
Heating
Boiler Servicing & Repairs
LSG's Gas Safe engineers are trained by leading manufacturers, with particular expertise in Worcester Bosch and Vaillant boilers.
Every boiler service includes
- Full inspection of the boiler and controls
- Checks for leaks and corrosion
- Gas pressure and flue safety tests
- Component cleaning for optimal performance
We also handle
- Fault codes and diagnostics
- No heating or hot water
- Low pressure and pressure drops
- Banging, whistling or noisy pipework
- Pilot light issues
- Air in the system
- Landlord Gas Safety Certificates (CP12)
- Gas cooker and hob installation
- Suspected gas leaks
- High gas bills and efficiency advice
All work is carried out by fully Gas Safe registered engineers. For a service, repair, or quote, call 07939249039.
Need a landlord certificate? See our Landlord Gas Safety Certificates (CP12) page.
Book now
Book your boiler service or repair
Send a booking request and a Gas Safe engineer will call you back — usually within the hour during working hours.
Payment
How you can pay us
How to pay
We accept credit/debit card and bank transfer. For gas safety certificates, payment must be made prior to issuance of the electronic certificate.
Quotes & invoices
Quotes can be provided by email (enquires@londonsafegas.co.uk) or over the phone on 07939249039. Full terms are on our terms & conditions page.
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