Boiler Repair London

Same Day, 5 star rated, 24/7 boiler repairs are available near you now.
Want to say thank you to Heatsy and Lee for getting my boiler back up and running. Service was quick, efficient and professional. I was kept up to date throughout. Thank you
seb N.
Brilliant service. I booked my boiler repair online, received great communication and confirmation of my appointment. I got a text telling me the engineer was on route about 30 minutes before he arrived, he kept me informed about what was going on and after I agreed the price he fixed the boiler in one visit. You really do get what you pay for, I’ll be using them again, not too soon hopefully.
Sue H.
Daniel B.
Ist annual service for gas boiler. Thorough, conscientious engineer. Clear explanations to queries.Paperwork all correct.Will certainly use again
Jon M.
Great service
H B.
Prompt, professional and excellent info
Arabella C.
Called up in the morning as my boiler wasn't working. Despite the engineers van being broken into, he still said he would come out as my 1 year old was in the house.The engineer Lee turned up on time and was a very genuine guy, very helpful and happy to answer any questions about the system.Even though he was unable to fix the problem on the visit to provide heating, he left and returned with some electric heaters for the house free of charge!Turns out I may need a new heating system too which I'll gladly get installed through this company!
Lee H.
Excellent customer care, polite and helpful engineer, clear estimate with regular updates. Would highly recommend this company-backed by British Gas guarantee on all work.
barbara H.
I would highly recommend this company to anyone. Their engineer was prompt, extremely hard-working, friendly and professional.All rubbish plus packaging for new boiler promptly taken away, leaving the area in which it was temporarily placed cleaner than it was before! A truly hassle-free experience.
Paul D.
Lee from Heatsy was brilliant, responded in quick time and alot cheaper then other major companies. Not only did he find the fault with my boiler he was able fix it quickly. Will definitely recommend to my friends
Jonathan H.
Amazing friendly, efficient service at a very fair price. I called Heatsy to supply and fit a new wireless room thermostat and heating control unit at a rental property after being quoted an extortionate amount by another company. Job was finished within 3 hours of initial call. Happy tenant and almost half the cost of what I was quoted previously. Would highly recommend.
Denise T.
Quick service even on a Saturday. Temp fix followed up by speedy full fix at a reasonable cost. Will definitely use again.
Ella M.
Lee and his team replaced our boiler and I would highly recommend Heatsy to anyone. They were professional, courteous and very punctual. Lee is very responsive to our enquiries and he explains everything clearly. Heatsy offers fantastic customer service as Lee kept checking with us to make sure everything works properly after the installation. We are very happy with their service and we’re looking forward to having Lee back next year to service our boiler.
Cecilia L.
Ivanka N.
Great customer service, very reasonably priced, clean and tidy workmanship. Recommended
Nadine T
Very helpful & friendly service, very good rates also.
Linda W.
Fantastic customer service with a range of options and fair, transparent prices. We were kept well informed at all times and the team was very polite, tidy and considerate. Even after the boiler was installed, we had a post-installation checkup to make sure all was perfect! Have had two boilers in other properties installed and this was by far a quality and fair service above all!
Karen R.
I would highly recommend Heatsy to anyone looking for a boiler service. Lee arrived promptly and carried out a thorough inspection of our boiler. He recommended a few problems that needed fixing (new flue, magnetic filter and system flush etc).I then rescheduled an appointment with Heatsy to carry out the recommended work. Lee arrived on time each day, kept me informed of his progress, he was very tidy and finished the work within the scheduled time frame. He was also very accommodating and installed a thermostat at short notice.Since the service, my boiler is working more efficiently and my home is heated in no time. They also sent me a follow up email to make sure everything was working ok. Their service was first class through out. I am a very happy customer and will definitely use them again.
Great response.. Professional work.. Good communication
Andrew D.
Lee was very professional and updates on eta all the way. Quick response and boiler working like new
keith F.
Fast and efficient service. Problem diagnosed and resolved. Covid safe.
Joy E.
The engineer was punctual ,polite and efficient .
Mark B.
Mitil P.
Carried out repair relatively quickly
Mark P.
Terrie L.
The team have done really an amazing work at my house!Thank you Mr Lee.
Lina A.
Hello, I am Fadi. The team came to my house to replace the boiler. They did a wonderful and professional job for the boiler. I thank Mr. Lee for this work. We wish you continued success and progress.
Fadi A.
Was extremely helpful and explained what needed doing and was honest about what I needed to consider. Once he had finished and I messaged with an enquiry my engineer offered to come back and have a look. They sent a follow up message to ensure everything was still working and to check it was ok. Would definitely use again.
Sarah L.
Amazing service and repair, thank you Lee and team! You were professional and did a fantastic job and the repair has made a world of difference!! I can highly recommend!
Graham P.
Contacted Heatsy as they were recommended via Local Heroes website and every contact was positive - boiler was diagnosed as requiring replacement which was all carried out within days of diagnosing - Lee kept to promise to replace boiler within two days and completed the job. All relevant paper work and certificates were issued. Very impressed.
Steve H
Having had a bad experience with a well known Plumbing company who didn't deliver and really ripped me off I was recommended Heatsy by my builder and I'm so glad I was. Reliable professional and importantly honest I have used them a number of times in the past few months and service has remained consistent at all times. I'd recommend to anyone.
Liz C.
Heatsy installed a new heating system for me in Hampstead.I was particularly impressed with the survey, after 3 engineers telling me I needed a combi without asking me any questions the guy from Heatsy was the first one who asked me what me and my family needed which, it turns out was NOT a combi.We now have Vaillant boiler and water tank with an outdoor sensor, the engineer was very knowledgeable about energy efficiency and which controls would benefit us the most.I'm extremely impressed and would highly recommend.
natasha H.
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Emergency Boiler Repairs When Need Them!

When your boiler breaks down and your shower runs cold, what’s the first thing you think?

If you’re like most of us it’s probably ‘I need this fixed NOW!’.

The kids need a bath, the dogs filthy and you need to go to work. That's why at Heatsy we offer same-day emergency boiler repairs near you 24 hours a day, 7 days a week.

See exactly what happens when Heatsy repair your boiler


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London’s Mums recommend us!

Most of our customers in London are families. 96% said they would work with us again, and 90% would, or have referred us to friends and family members.

The boiler faults we frequently repair in London are no hot water, no heating, and noisy boilers. We commonly find these faults are blocked secondary heat exchangers, seized zone valves, and dry pumps.

The boilers we most often repair near you are Vaillant, Worcester and, Glowworm. The type of boilers we repair most are combi boilers, condensing boilers, and system boilers.

The average age of the boilers we repair in London is 10-15 years old. The average time taken is 97 minutes, with an average cost of £279, including parts and labour.

Families In London Recommend Us...

Because all our engineers are skill checked regularly and DBS (CRB) checked annually, ensuring we are not only safe to work with gas, we’re also safe to be in your home.

Heatsy are trusted Gas Safe Registered heating engineers with tons of 5 star reviews. And we are honoured to serve London and the Home Counties 24 hours a day, seven days a week.

Whatever the problem is with your boiler, our boiler repair experts in London have the skill, experience, and knowledge to get you up and running again quickly and safely with minimal disruption.


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Before You Call

We don’t want you to waste your time calling us out to repair something you could quickly fix yourself. So, before calling us, please check the things below.

  1. Have you got gas? It’s not a trick question. We get calls from customers who think their boiler has broken, only to find that there is no gas when the engineer arrives. If you have a gas cooker or a fire, check they’re working. If they’re not, check your gas meter. Do you have credit? Have you hung a coat on the handle, and it’s fallen closed? If the meter is OK, but you still have no gas, you’ll need to contact your gas supplier.
  2. Is the boiler turned on? Again, not a trick question. It’s more common than you might think. Someone flicks a switch in the kitchen, and an hour later, you realise the water is cold, and the heating’s gone off. Have a look at the display, are there any fault codes, is there any light? If not, have a quick check for any switches nearby that are off, or check for any switches that are down on your central consumer unit. We share more tips and tricks here.
  3. Is the pressure OK? Most boilers nowadays are pressurised boilers on pressurised systems. They are called pressurised because they need at least 1b of pressure to operate safely and efficiently. If the pressure gauge shows less than 1b, try increasing the pressure per the manufacturer’s instructions. Check out our helpful article here.
  4. Is there air in the system? We get lots of calls for noisy boilers or boilers going on and off frequently and overheating. Sometimes, it’s because there’s an excessive amount of air in the system. Check your radiators. Are they hot at the bottom and cold at the top? Can you hear the water whooshing around the pipes? Is your boiler making a loud banging noise? If you answered yes to any of these, try bleeding the radiators - we’ve written an article to help you here.

We serve all London areas including:

Bexley, Bromley, Camden, Chelsea, Croydon, Dulwich, Epsom, Greenwich, Kingston, Lambeth, Lewisham, Richmond, Southwark, Sutton, Wandsworth, Vauxhall.


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Guaranteed Value

Our boiler repair rates – clear and straightforward value for your money.



Should I pay for my boiler repair upfront?

Not the total amount. If the company you’re working with has a set diagnostics fee, they might ask you to pay that upfront as it’s a fixed fee. Unfortunately, lots of customers ask heating engineers to diagnose the problem. Once they know what’s wrong, they refuse the repair and refuse to pay the diagnostics fee. Instead, they either find someone cheaper or, worse, try to fix it themselves. You should agree on the terms or make sure you’re clear before calling someone out. If parts are needed, it’s fair to pay a 50% deposit before the engineer collects or fits the parts, then the remainder on successful completion.

My boiler is still under warranty, but the manufacturer refused to repair it, can you?

Yes, absolutely! Unfortunately, it’s not uncommon for manufacturers to try and find any reason to get out of the warranty. If your manufacturer has refused the repair, we can complete it for you. And, if you give us a list of the reasons they’ve given you, we might be able to help you put them right so the next time you need them, they will be there.

How long should a boiler repair take?

The time it takes to repair a boiler will vary depending on what type of boiler you have, the boiler’s age, and the engineer’s abilities to repair your boiler.

Most faults should take an experienced engineer no more than 30 minutes to diagnose and then another hour to fit the parts if needed.

Many of our jobs are completed within the first 30 minutes without using any parts, meaning all you pay is the diagnostics fee.

How much should a boiler repair cost?

The boiler repair cost will vary depending on many things. For example, different areas within London will have different rates. The day and time you call will also impact the price.

Small independent sole traders with low overheads and no VAT obligations will often charge less than larger companies with employees and the requirement to charge VAT. In addition, some larger companies may offer a 12-month guarantee on all their work. In contrast, others offer just three and, in many cases, no guarantee at all.

Suppose you have an experienced boiler repair engineer from Heatsy who can spot the fault early and repair it quickly. In that case, you can pay as little as £99 + VAT with a 12-month guarantee and 5 STAR rated customer service.

Can a plumber repair my boiler?

It depends, are they Gas Safe Registered? Plumber and heating engineer has become interchangeable over the years. Still, the job functions and responsibilities of the two trades are very different.

Of course, there are some similarities in that both work with water and both work with pipe. Many heating engineers will also offer plumbing services, but if they’re unblocking your sink or repairing your gas boiler, they’ll be wearing very different hats.

Legally anyone who receives a reward or incentive, i.e., receiving payment, to work on gas or gas appliances must be on the Gas Safe register.

What happens if my boiler breaks down again after you leave?

Most of our boiler repairs include our 12-month guarantee. So, if you have any problems within that time, call us, and we’ll come back for free.

If the fault is due to something we have or have not done, or any parts we’ve installed have prematurely failed, we’ll repair it again for free.

Our terms and conditions set out everything that’s covered and both parties’ obligations to keep the guarantee valid.

The Heatsy Promise

"We promise to always give 100% in our efforts to help you in your time of need, to never take advantage, overcharge or give you unnecessary advice.

Should you ever have a query about the service you have received, the price you were quoted, or the work we have completed, we promise to treat the situation with the seriousness it warrants and give you the dignity, respect, and honesty you deserve."
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What Do Heatsy Do?

You know that feeling of waking up to a freezing cold house, finding out the boilers broken, and the dread of having to face an ice-cold shower on a wintry Monday morning?

Well, we fix that!

We help make families’ lives more comfortable by giving you a hassle-free heating service with proven results that are guaranteed to last. In fact, we’ve got tons of 5 star reviews from our other happy customers.

Would you like to be one?

All Heatsy boiler repair engineers have at least 5 years of experience in the heating industry.

Our boiler installs, and boiler repairs come with an iron-clad 12-month guarantee.

Boiler repairs start from just £99+vat, and if we can repair the fault within 30 minutes without any parts, that’s all you’ll pay.

If any parts are needed, we’ll often be able to save you money by offering you the option of using reconditioned parts with a 12-month guarantee from the network of suppliers we’ve built up over time.

We offer a 24 hours a day, 7 days a week emergency boiler repair service to London.

If you need your boiler or heating system repaired, contact us now on:
0207 0999 035 or