Honest quotes, no surprises
We'll price the job once we've talked through what's wrong on the phone, and confirm it before any work starts.
Same day & next day boiler engineers
BOILER BREAKDOWNS,SORTED TODAY.
No heat, no hot water, or a boiler that won't fire: one call gets a Gas Safe boiler engineer to your door, same day or next.
Get an instant quote0333 898 0289
Fixerz — powered by Go Assist
Same day or next day
No call-out fee
Vetted & insured engineers
500,000+
Repairs completed
26,000+
Trustpilot reviews
365 Day
Guarantee*
UK-wide
Engineer coverage
Why homeowners choose Fixerz
Engineers you can trust
Every Fixerz boiler engineer is vetted, insured and Gas Safe registered.
Backed by our 365 day guarantee*
If the same fault comes back within 365 days, we'll put it right again at no extra cost.
What we fix
From no hot water to a full service.
No heat or hot water
Diagnosed and, where possible, fixed on the same visit.
Boiler servicing
Annual servicing from Gas Safe registered engineers, done properly.
Pressure & leaks
Losing pressure or spotting a leak? We'll find the cause and fix it.
Gas safety checks
Full safety checks and certification for landlords and homeowners.
Trusted to fix the UK's top boiler brands
Worcester BoschVaillantBaxiIdealGlow-wormViessmannPottertonVokera
Plus more boiler brands and models.
Repair first. Replace last.
Most boiler call-outs end in a fix, not a costly replacement. Better for your home, and your bills.
0333 898 0289
What customers say
Fixerz — powered by Go Assist
★★★★★
“No hot water on the coldest week of the year. Engineer diagnosed a faulty part on the immersion heater and had it running again that day.”
Wendy S · January 2026★★★★★
“Booked our annual boiler service, Gas Safe engineer talked me through everything he checked. Straightforward and reassuring.”
Terry H · March 2026★★★★★
“Boiler kept losing pressure every few days. Turned out to be a small leak on the system, found and fixed in one visit.”
Angela P · July 2026★★★★★
“Radiators upstairs stayed cold no matter how long the heating ran. Engineer bled and rebalanced the system, heating's even throughout the house now.”
Susan W · August 2025★★★★★
“Had a new combi boiler installed. Went smoothly from quote to finish, and the engineer talked us through the new controls before leaving.”
Craig L · October 2025★★★★★
“Yearly service turned up a worn part before it failed properly. Glad they caught it early rather than waiting for a breakdown.”
Nadia H · June 2026Reviews reflect the service delivered by Go Assist — Fixerz is a trading name of Go Assist Ltd.
Boiler engineers near you, wherever you are
LondonManchesterBirminghamLeedsGlasgowBristolSheffieldLiverpoolCardiffNewcastleEdinburghNottingham
And all major towns across the UK.
Boiler FAQs
Yes. Pressure loss is usually a small leak or a fault with the filling loop, and it is often a same-visit fix.
Yes, our Gas Safe registered engineers carry out annual boiler servicing as well as breakdown repairs.
Call us and we will get a Gas Safe engineer to you same day or next, whatever make or model you have.
Yes, our Gas Safe engineers can quote, supply and install a new boiler, sized to your home.
Yes, our engineers carry out CP12 gas safety checks and issue the certificate on the day.