- PH: 02080584241
- Email: info@befix.co.uk
About Us
Whether it’s a small repair or a big emergency, our skilled tradespeople are here to help with a smile. We know how much your property means to you, and we’ll treat it like our own. Let’s get your place fixed up—give us a shout!
Book nowContact Info
- 227B Nether St, London N3 1NT
- 020 8058 4241
- info@befix.co.uk
- Mon–Fri: 7:00 AM – 10:00 PM Sat–Sun: 9:00 AM – 8:00 PM
Boiler Repair in London
- Same-day repair, including evenings and overnight
- Engineer on site in 1 to 3 hours
- Gas Safe registered, No. 967796
- No call-out fee, 12-month warranty
BeFix repairs boilers across North, West and Central London, usually on the same day you call. We work from our base in Finchley, and a Gas Safe registered engineer is normally with you within one to three hours. You pay an hourly rate that depends on when we attend, plus parts, with no call-out fee, and the engineer explains the cost before any work starts. Find your area below for local details, or call and we will tell you when we can be there.
7AM – 5PM
£95 + VAT
Standard daytime rate, per hour
5PM – 9PM
£125 + VAT
Evening rate, per hour
9PM – 7َAM
£160 + VAT
Night rate, per hour
Boiler Repair Costs in London
Every repair is charged by the hour at one of the three rates above, plus VAT, and the rate depends on when the engineer arrives. Parts are added on top. Once the fault is found, the engineer tells you the full cost, labour and parts together, before any work starts. Many common faults, such as a failed pressure relief valve or a faulty sensor, are fixed within the first visit.
Why London Boilers Need Specialist Repair
London’s housing changes from street to street, and the type of building shapes how a boiler fails and how the repair runs. These are the set-ups we work on most across the city.
| Property type | What usually goes wrong | Where you find it |
|---|---|---|
| Victorian and Edwardian terraces | Heating extended over decades, with old and new pipework meeting, sludge and weak circulation | Islington, Fulham, Finchley |
| Converted flats | A modern combi on original pipes, squeezed into a cupboard with little room to work | Camden, Archway |
| Large period houses | Regular or system boilers with a hot water cylinder, zone valves and long pipe runs over several floors | Hampstead, Highgate |
| Mansion blocks and managed buildings | Access through a porter or managing agent, shared flues and risers, rules on working hours | Westminster, Chelsea, Kensington |
| Newer flats | Compact combis in tight utility cupboards, and some blocks on a communal system with no boiler in the flat | Across the city, especially newer developments |
Most of London also has hard water. Limescale builds up in the heat exchanger over time and causes kettling, slow hot water and lockouts, so we check for it on every visit.
Common Boiler Faults We Fix
Start with what you can see. Find the symptom below, check what is safe to try yourself, and call us if it does not clear.
| What you notice | Likely cause | Safe to check yourself |
|---|---|---|
| No heating or hot water | Low pressure, a failed part, or a fault in the controls rather than the boiler | Check the thermostat, timer and that your hob has gas. On a prepayment meter, check your credit |
| Pressure gauge below 1 bar | A small leak, a failing expansion vessel or a pressure relief valve letting water out | If your manual shows how, top up to about 1 to 1.5 bar with the filling loop. If it drops again, call us |
| Boiler locks out in freezing weather | A frozen condensate pipe where it runs outside | Pour warm, not boiling, water along the plastic pipe outside, then reset the boiler once |
| Radiators cold at the bottom or in patches | Sludge, a failing pump or a stuck valve | Bleeding the radiator helps if the cold spot is at the top. Cold at the bottom usually needs an engineer |
| Banging, gurgling or a kettle-like rumble | Limescale on the heat exchanger, trapped air or low flow | Note when the noise happens and tell us when you call |
| Water dripping from the boiler | A failed seal, valve or internal component | Put a container underneath and keep the area dry. Do not remove the casing |
Most boilers also show a fault code on the display, and each brand uses its own. Write the code down before you reset anything and tell us when you call, so the engineer arrives with the right parts. If a reset does not clear it, leave the boiler and call. Anything inside the casing is work for a Gas Safe registered engineer.
Our Repair Process
1
You call
Tell us your postcode, what the boiler is doing and any error code on the display.
2
Engineer on site
A Gas Safe engineer from our Finchley base, usually within one to three hours.
3
Diagnosis and costs
We find the fault and agree the full cost with you before starting.
4
Repair
We fix the fault and fit any parts you have agreed to.
5
Final safety test
We check the boiler, flue and controls are working safely before we leave.
6
Warranty
Every repair carries a 12-month labour warranty.
Boiler Brands We Repair
We repair combi, system and regular boilers from all eight makes below, whether the boiler is a few years old or long out of the manufacturer’s warranty.
Worcester Bosch
Repaired & Serviced
Baxi
Repaired & Serviced
Vaillant
Repaired & Serviced
Ideal
Repaired & Serviced
Keston
Repaired & Serviced
Remeha
Repaired & Serviced
Main
Repaired & Serviced
Viessmann
Repaired & Serviced
Gas Safe Registered & Fully Insured
Gas Safe registered
Number 967796, verifiable on the official Gas Safe Register at any time.
Public liability insured
for the duration of every job.
10+ years' experience
per engineer, on homes from Victorian terraces to new-build flats across London.
BeFix is Gas Safe registered under number 967796, and you can check it on the Gas Safe Register at any time. By law, only a registered engineer can work on a gas boiler in the UK, and every engineer we send carries a Gas Safe ID card showing their photo, licence number and the work they are qualified for. We hold public liability insurance for every job, and each of our engineers has more than ten years of experience with domestic boilers.
Our Engineers at Work
What our customers say on Google
Same-day boiler repair across North, West and Central London, including evenings and overnight.
Book Your Boiler Repair in London
Call with your postcode and what the boiler is doing. A Gas Safe engineer can usually be with you within one to three hours, and you hear the cost before any work starts.
CALL
Request For Quote
Frequently Asked Questions
How much does boiler repair cost in London?
Labour is charged by the hour: £95 + VAT from 7am to 5pm, £125 + VAT from 5pm to 9pm and £160 + VAT from 9pm to 7am. Parts are charged on top. The same rates apply in every area we cover, and the engineer explains the full cost before any work starts.
Do you charge a call-out fee?
No. There is no separate call-out fee anywhere in London. You pay the hourly rate for the time the engineer spends on your boiler, plus any parts.
Which parts of London do you cover?
We cover North, West and Central London, including Finchley, Highgate, Hampstead, Archway, Islington, Camden, Westminster, Kensington, Chelsea and Fulham. If your area is not listed, call with your postcode and we will tell you whether we can reach you.
How quickly can an engineer get to me?
Usually the same day, within one to three hours of your call. We work from Finchley, so timings depend on where you are in London, the time of day and traffic. We confirm an arrival time when you book.
Can you come out in the evening or overnight?
Yes. Evening visits between 5pm and 9pm are charged at £125 + VAT an hour, and overnight visits between 9pm and 7am at £160 + VAT. If the fault can safely wait, a daytime visit keeps the cost lowest.
What should I do if I smell gas or suspect carbon monoxide?
Do not wait for a repair visit. If it is safe to do so, turn off the gas at the meter, open windows and get everyone outside, then call the National Gas Emergency Service on 0800 111 999. Once the supply has been made safe, a Gas Safe engineer can find and repair the fault.
Can you repair older or out-of-warranty boilers?
Yes. We repair combi, system and regular boilers from Worcester Bosch, Vaillant, Ideal, Keston, Remeha, Baxi, Main and Viessmann, including older models and boilers outside the manufacturer's warranty.
Is it worth repairing my boiler or should I replace it?
If one part has failed and the boiler is otherwise in good condition, a repair usually makes sense. If it is old, breaks down often or needs an expensive major part such as a heat exchanger, a new boiler may cost less over time. After diagnosis you will have a firm repair price to weigh against replacement.
Are your engineers Gas Safe registered?
Yes. BeFix is Gas Safe registered under number 967796, and every engineer carries a Gas Safe ID card. We also hold public liability insurance, and every repair comes with a 12-month labour warranty.