//LET’S FIX IT
Certified Gas Safe Engineer in London
Qualified & Certified Engineers • Fair Prices • No hidden fees
Need a Gas Safe engineer in London now? OSO Group is available 24/7 with ~1-hour typical arrival. Our Gas Safe–registered specialists safely diagnose and repair boilers, gas appliances, ignition and pressure faults, flue/ventilation issues, and suspected gas leaks. We explain everything in plain language and agree the price before work starts—no surprises. All work is insured & guaranteed, and we can issue Gas Safety Certificates (CP12) and service records where required. Coverage across Greater London and UK regions (Kent, Sheffield, Birmingham, Leeds, and more). Call +442045772688 or book online for fast, friendly help today.
CERTIFIED
GAS SAFE
FAIR PRICES
QUALITY
//GAS SAFE ENGINEER IN LONDON
Our gas repair services
- Emergency gas engineer (suspected gas leaks, make-safe, isolation, tightness tests)
- Boiler repairs (system, regular; ignition, pressure, fans, valves)
- Annual boiler service & safety check (combustion, flue integrity, seals)
- Landlord Gas Safety Certificates — single homes & portfolios
- Gas leak detection & pipework repairs (pressure testing, tracing, capping/uncapping)
- Gas hob/cooker install & disconnect (commissioning, bayonet/flex, safety checks)
- Gas fire service & safety checks
- Flue & ventilation checks (spillage/dilution tests, seals)
- Carbon monoxide alarms (supply, installation, testing)
- New/Replacement boilers (survey, quote, install, register warranty)
- Advice & coordination for meter/regulator issues (we liaise with your supplier; suppliers move meters)
// SAFETY
Safety until we arrive
- Smell gas? Turn off gas at the meter if safe, open doors/windows, leave the property and call National Gas Emergency: 0800 111 999. Do not use switches or naked flames. Then call us for repairs.
- CO alarm sounding? Turn appliances off, move to fresh air, seek medical help if unwell, then contact us to inspect and make safe.
Quick and easy 4-step journey
01
CONTACT US ➔
Call or message us anytime, day or night. Our team will quickly assess your issue and guide you on the next steps.
02
BOOK AN ENGINEER ➔
We arrange a qualified plumber, gas, electrician or heating engineer near you and confirm the fastest possible arrival time.
03
FAST FIX ON-SITE ➔
Your engineer arrives fully prepared to diagnose and resolve the problem, often completing repairs the same day.
04
JOB COMPLETED
Once the job is done, we ensure everything works safely and efficiently.
//COVERAGE
Greater London
Our certified engineers are on call 24/7, covering all major UK cities and surrounding areas. Whether you’re in Greater London a nearby areas, we guarantee fast response times and expert service. Average emergency ETA ~1 hour.
- Central London
- North West London
- West London
- South West London
- South London
- South East London
- East London
- North East London
- North London
- Others
//ABOUT US
Why choose us
//QUALIFIED
- Qualified & Certified engineers (plumbing, heating, drainage; Gas Safe where required)
- Fair, transparent pricing — fixed price or hourly
- Rapid response with reliable ETA — average ~1-hour arrival in covered areas, with live updates.
//ALWAYS READY
- 24/7 real person support — day, night, weekends
- Fully insured work — parts & labour warranty
- First-visit fixes — engineers carry common parts and tools;
//KNOW-HOW
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Contact us anytime, our team is always happy to help.