Boiler Replacement in North London, done properly the first time
Old boiler burning through gas? Replace it with a modern high-efficiency A-rated unit and start saving from day one. Free survey, fixed-price quote, warranty up to 12 years.
About our boiler replacement service
If your boiler is over a decade old, breaking down often, or struggling to reach every room, replacement almost always works out cheaper in the long run than an ongoing cycle of repairs. Today's condensing boilers run roughly 30% more efficiently than early-2000s units.
Our replacement service covers the lot: a free survey, safe removal and disposal of the old unit, installation of the new one, a proper system flush, magnetic filter and Benchmark commissioning certificate.

Why choose Norvex for boiler replacement
Premium workmanship, fixed pricing and a service experience built around you.
Free in-home survey
Old boiler taken away and disposed of
System flush included as standard
Manufacturer warranty of up to 12 years
Most swaps wrapped up in a single day
A calm, four-step process
From the first call to a tidy handover — no surprises, no jargon, no mess.
Get in touch
Give us a ring or drop us a quick note — we usually respond inside an hour during working hours.
Free survey and quote
One of our engineers looks at the job in person and hands you a clear, written, fixed-price quote.
Pick a date that suits
Choose a slot that works around your week — evenings and weekends are on the table.
Work done cleanly
Uniformed engineers carry out the install, tidy up properly and walk you through the system before leaving.
Get a fast quote for boiler replacement
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 boiler replacement engineers Gas Safe registered?
Yes — every engineer we send out for boiler replacement in North London holds live Gas Safe registration, is manufacturer-trained and covered by £5m public liability. ID is on the lanyard when we arrive.
Is the boiler replacement quote free?
It is. You get a written, fixed-price quote up front with no obligation, so there are no surprises when the boiler replacement work is complete.
How soon can you attend for boiler replacement in North London?
Most non-urgent boiler replacement appointments land inside 2–3 working days. For a genuine heating emergency we aim to be on your doorstep within two hours.
Is the boiler replacement work guaranteed?
Every boiler replacement job we complete carries our standard 12-month workmanship guarantee, in addition to any manufacturer warranty on the parts fitted.
Which parts of North London do you cover for boiler replacement?
We deliver boiler replacement right across North London — including Barnet, Finchley, Muswell Hill, Hampstead, Highgate, Enfield and the surrounding N, NW and EN postcodes. Because our engineers are local, call-out times stay short wherever in the area 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 boiler replacement with a Gas Safe engineer — fixed pricing, same-week appointments.
Book boiler replacement today
Free quotes, fixed pricing and Gas Safe engineers across Barnet, Finchley, Muswell Hill, Hampstead and the rest of North London.
