Smell of gas? Do this first — before you call anyone
A gas leak is dangerous. Follow the steps below in order, then call the National Gas Emergency line on 0800 111 999 — free, 24/7. Don't call us first; call them.
You're not getting a call centre — you're getting Grant.
The same engineer quotes the job, does the work, and answers the phone afterwards if anything's not right.
Gas Safe Registered
Every gas job legally signed off
18+ years on the tools
Grant has been fixing boilers in Harlow since before smart thermostats existed.
Real human on the phone
Most calls answered the same day, often within the hour.
Locally based in your area
Not a national chain — your local engineer, your local prices.
The likely causes, in order
- Loose meter fitting — Most gas smells trace to a loose fitting at the meter or the isolation valve.
- Perished joint compound — Older jointing paste dries out and loses its seal. Usually a straightforward remake by a Gas Safe engineer.
- Failed appliance regulator — Cooker or fire regulator can fail internally. Isolate the appliance at its own valve until we can inspect.
What you can safely try first
- Open windows and doors immediately
- Do NOT switch anything electrical on or off — no lights, no phone chargers
- Turn off the gas at the meter (yellow lever, quarter turn)
- Call the National Gas Emergency line: 0800 111 999
- Leave the property until it's declared safe
Request a help · critical quote in your area
Real engineer reply — usually within the hour during working times. Fixed written quote, no commission-driven sales, 12-month workmanship guarantee.
- Gas Safe registered
- Same-day cover where possible
- Fixed written quotes
- Manufacturer warranties up to 12 yrs
Frequently asked questions
Will Cadent charge me for the visit?▾
No — the emergency call-out to isolate and make safe is free. Any subsequent repair is chargeable and needs a Gas Safe registered engineer (that's us).
Can I use a phone inside?▾
Move outside before calling. Static electricity from switching on a phone or lamp can ignite gas.
Related pages you might want
Still stuck? Get a real engineer on it
Call us if the DIY steps don't clear it — same-day response where possible, fixed price before any tools come out.