Gas Safety Certificates
Gas Safety Certificates
CP12 gas safety certificates for landlords and homeowners — booked online, completed in 30 minutes, certificate emailed same day. Fixed price.
Gas Safety Certificates in North London, done properly the first time
A gas safety certificate (CP12) is a legal requirement for landlords every 12 months, and a sensible check for homeowners selling, buying or simply wanting peace of mind.
We test every gas appliance, check flues and ventilation, log readings on flue gas analysis, and email your certificate the same day.
Why choose Norvex for gas safety certificates
Premium workmanship, fixed pricing and a service experience built around you.
Fixed price for one property
30-minute appointment
Certificate emailed same day
Multi-property landlord discounts
Reminders set for next year
A calm, four-step process
From the first call to a tidy handover — no surprises, no jargon, no mess.
Get in touch
Call us or send a quick enquiry — we'll respond within an hour during working hours.
Free survey & quote
An engineer assesses the work and gives you a clear, written, fixed-price quote.
Book a date that suits you
Choose a slot that fits around your schedule — we work evenings and weekends.
Work completed cleanly
Uniformed engineers carry out the work, tidy up fully and walk you through everything before leaving.
Get a fast quote for gas safety certificates
Free, no-obligation quotes. Most calls answered within 30 seconds.
Why choose Norvex
Gas Safe Registered
Every engineer registered & ID-checked
Manufacturer Accredited
Worcester, Vaillant, Ideal & more
Same-week Appointments
Most jobs booked within 48 hours
5★ Reviewed
Hundreds of verified reviews
Your questions, answered
Are your gas safety certificates engineers Gas Safe registered?
Yes — every engineer working on gas safety certificates in North London is Gas Safe registered, manufacturer-trained and fully insured to £5m public liability. We'll show our ID on arrival.
Do you offer a free quote for gas safety certificates?
Yes. We provide a free, no-obligation written quote with fixed pricing, so you know exactly what your gas safety certificates will cost before any work starts.
How quickly can you attend for gas safety certificates in North London?
Most non-emergency gas safety certificates appointments are booked within 2–3 working days across North London. For genuine heating emergencies we aim to be on-site within 2 hours.
Do you guarantee your gas safety certificates?
Yes — every gas safety certificates job is covered by our 12-month workmanship guarantee, on top of any manufacturer warranty.
Which areas of North London do you cover for gas safety certificates?
We provide gas safety certificates across the whole of North London, including Barnet, Finchley, Muswell Hill, Hampstead, Highgate, Enfield and the surrounding N, NW and EN postcodes. Local engineers means short call-out times wherever you are.
What our customers say
"Quoted, fitted and gone in a day. New boiler, no fuss, new smart thermostat thrown in. Best tradespeople we've had in years."
Sarah, Barnet
"Emergency call at 9pm — engineer on site by 10:30. Sorted the leak that night. Highly recommend."
Michael, Finchley
"Total bathroom renovation. Beautiful job, on budget, finished early. We'll be using Norvex for the kitchen next."
Priya, Highgate
Ready when you are
Book gas safety certificates with a Gas Safe engineer — fixed pricing, same-week appointments.
Book gas safety certificates today
Free quotes, fixed pricing and Gas Safe engineers across Barnet, Finchley, Muswell Hill, Hampstead and the rest of North London.