Gas safety certificates, boiler servicing, leak detection & emergency callouts. 5-star service across Sydenham & London.
Landlord & home certificates, fully compliant with Gas Safe regulations. Fast turnaround.
LEARN MORE →Annual boiler service & maintenance by Gas Safe engineers. Protect your warranty.
LEARN MORE →Emergency detection & repair using advanced sensors. 24/7 callout in London.
LEARN MORE →Professional gas cooker & hob installation with safety check. Same‑day service.
LEARN MORE →New gas pipe runs, upgrades & repairs. Fully tested & certified.
LEARN MORE →24/7 emergency gas engineer – no heating, gas leak, no hot water. We’re here.
LEARN MORE →Gas Safe Registered & fully insured
Over 15 years serving London homes
Transparent pricing – no hidden fees
Same‑day & emergency callouts
“Brilliant gas engineer – sorted our boiler within an hour. Very professional, even cleaned up after. Highly recommend.”
“Gas safety certificate done quickly, fair price. Friendly and knowledgeable. Will use again for boiler service.”
“Emergency callout at 10pm – gas leak detected and fixed. Very reassuring, real lifesaver. Thank you JS Gas!”