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Best Emergency Boiler Repair London

An emergency situation concerning boilers is a very serious issue. Before you know it, a problem has escalated and your home and your safety may be in jeopardy. run a top-quality emergency boiler repair service, with professionals that are trained to handle any problem. We are understanding of your situation and are quick to arrive at any time, anywhere in London.

Boiler emergencies can frighten repair engineers quite a bit, especially if they haven’t been trained properly. You want to make sure, in an emergency situation, you put your trust in a professional team. Just Boilers are trained for any type of emergency. Committed to making customers satisfied, our team will delve into the emergency and quickly get to the route of the problem.

  • We ensure quick service—a service you can rely on in an urgent situation. Nobody wants to sit around watching their property get damaged, so we treat an emergency as such: swift arrival, focused analysis, and agile repairs.
  • So many problems flare up, get fixed, and flare up again. Not with Just Boilers. We will work precisely to ensure the problem doesn’t recur.
  • We understand that this sort of situation is incredibly stressful for you, and whoever is living in the property. That is why we make sure to provide a calm and collected service, free from panic or stress.

Efficient Boiler Repair Services

At Just Boilers, we understand that boiler breakdowns can happen at any time, which is why we offer efficient emergency boiler repair services in London. 

Our dedicated team of Gas Safe registered engineers is always on standby to provide rapid and reliable repairs. 

Some of the common boiler issues we repair include:

  • No heating or hot water
  • Loss of pressure
  • Boiler leaks
  • Pilot light failure
  • Unfamiliar noises
  • Limescale build-up
  • Thermostat problems


Charges are per hour with a one hour minimum charge

ServiceMon-Fri (8am-6pm)Out of Hours / Weekends
Boiler Repair£95.00+VAT£150.00+VAT
ServiceMon-Fri (8am-6pm)
Boiler Service£95.00+VAT
Gas Certificate£95.00+VAT
Power Flush (up to 4 radiators)£300.00+VAT then £35.00+VAT per additional Radiator
Landlord Gas Certificate & Boiler Service£130.00+VAT
ServiceMon-Fri (8am-6pm)
Wireless Programmable Room Thermostat£150+VAT + FITTING
Cylinder Thermostat£100+VAT + FITTING
Boiler Programmer£100+VAT + FITTING
Radiator Thermostats£30+VAT + FITTING
Radiators£100 - £200+VAT + FITTING
Boiler Performance Analyser Test£95+VAT
Boiler Fault Diagnostics Test£95+VAT
Central Heating Pumps£120 - £180+VAT + FITTING
2 and 3 Port valves Fitted£120 - £180+VAT + FITTING

We accept all major credit / debit cards. Payment on job completion.

Why Choose JustBoilers

GasSafe Registered

All our engineers are Gas Safe Registered

30 Years’ Experience

More than 30 years of experience in the boiler maintenance industry

No Call Out Charges

We offer fair, transparent pricing

Competitive Industry Rates

We have very competitive boiler installation prices


We strive to reach you within 1-2 hours, no matter the time. Our boiler repair service ensures your boiler issues are tackled promptly, getting your home back to normal quickly.

Our best advice would be to find a place where you can observe your boiler, but a place where you are also not in any danger. Do not try and tamper with the boiler yourself as it could be dangerous.

Call us immediately! Our team is always ready for late-night emergencies, ensuring a skilled engineer arrives to diagnose and repair your boiler as soon as possible.

Emergency repairs can be pricier due to the urgent response. However, we provide clear and competitive quotes upfront so you know exactly what to expect before we start the work.

This is dependent on the customer’s location, suffice to say that we arrive at the given address as quickly and safely as we can. We don’t want to keep you waiting, so we’re likely to give a brief estimate of the time of arrival over the phone.

The best way to avoid an emergency repair is to get your boiler regularly serviced. This ensures that any issues are worked out consistently and don’t have the time to escalate into a big problem. offer a regular check-up service, to ensure you don’t need to call us out again.

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