From boiler servicing to emergency callouts – we cover all domestic gas work in London.
Gas Safety Certificates
Landlord & homeowner safety checks by Gas Safe engineers. Fast certification.
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Boiler Servicing
Annual boiler service & repair. Keep your warranty valid and your home warm.
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Gas Leak Detection
Emergency gas leak detection & repair. 24/7 callout to keep your family safe.
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Cooker Installation
Gas cooker, hob & oven installation by qualified engineers. Safe & neat.
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Gas Pipe Work
New gas pipe runs, upgrades, and appliance connections. Full compliance.
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Emergency Callouts
24/7 emergency gas engineer – no call‑out fee. London based, rapid response.
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Why Choose Us
London’s Reliable Gas Engineer
Gas Safe registered with 14+ years experience
Same‑day service & emergency callouts 24/7
5.0 rating from 135 real London reviews
Fully insured, fixed pricing, no hidden fees
5.0 ★ (135 reviews)
Testimonials
What Our Customers Say
“GreenLine sorted our boiler within 2 hours of calling. Very professional, clean work, and explained everything. Highly recommend for gas work in London.”
Sarah Mitchell
Wandsworth, London
“Excellent gas safety certificate service – fast, thorough and great value. The engineer was punctual and very knowledgeable. Will use again.”
James Carter
Clapham, London
“GreenLine installed a new gas hob and cooker. Fantastic workmanship, left everything spotless. Fair price and they even took away the old appliance.”
Priya Sharma
Putney, London
Coverage Area
Serving SW & Central London with rapid response. We cover all nearby areas.
Wandsworth
Clapham
Putney
Battersea
Wimbledon
Balham
Kensington
Chelsea
FAQ
Frequently Asked Questions
Do you provide gas safety certificates?
Yes, we issue Gas Safe registered certificates for landlords and homeowners. Valid for 12 months.
How quickly can you respond to a gas leak?
We offer 24/7 emergency callouts. Most leaks attended within 60 minutes in the London area.
What areas do you cover?
We cover Wandsworth, Clapham, Putney, Battersea, Wimbledon, Balham, Kensington, Chelsea and most of SW London.
Are you fully insured?
Absolutely. We hold full public liability insurance and all engineers are Gas Safe registered.
Do you offer boiler servicing for landlords?
Yes, we specialise in landlord boiler servicing and gas safety certificates. Multi‑property discounts available.
