Emergency Heating & Gas

Emergency Boiler Leak

An active boiler leak can quickly cause water damage and leave you without heating or hot water. Emergency boiler leak repair focuses on stopping the leak, making the system safe and restoring essential services as quickly as conditions allow. You will get clear updates on what has caused the leak, what has been done on site, and what to do next if parts or further work are needed.

More information

What emergency boiler leak repair covers

Emergency boiler leaks need a fast, methodical response. The aim is to stop the leak, protect your property, and leave the heating system safe.

  • Urgent attendance for active leaks from the boiler, valves, or associated pipework
  • Isolation of water, electrics, and gas where required to control risk
  • Fault-finding to pinpoint the leak source (boiler components, seals, pressure relief pipe, condensate pipework, or nearby heating pipework)
  • Repair or replacement of accessible failed parts where possible on the visit
  • Re-pressurising, bleeding, and basic functional checks to confirm stable operation
  • Clear explanation of findings, options, and next steps if additional parts or a return visit are required
  • Work completed in line with current safety requirements for gas and heating systems

When this service is most relevant

Book an emergency boiler leak repair if you notice any of the following:

  • Water dripping from the boiler casing or pooling underneath
  • A sudden loss of system pressure alongside signs of leakage
  • Leaks from the pressure relief pipe or visible valves near the boiler
  • A leak after the system has been topped up, reset, or restarted
  • Water near electrics, ceilings, or finished flooring where damage could escalate

What happens during the visit

The visit is focused on making the situation safe first, then restoring service where it is sensible to do so.

  1. Initial safety checks and isolation as needed.
  2. Inspection and diagnosis to confirm the leak source.
  3. Repair work where possible, plus checks for secondary issues (pressure, expansion vessel, and obvious signs of component failure).
  4. Testing and recommissioning if the system can be safely returned to use.
  5. Handover with a clear summary of what was done and any recommended follow-up.

If the leak cannot be permanently repaired on the first visit, the system will be left safe and you will be advised on the quickest practical route to full repair.

After the leak is stopped

Once the immediate leak is resolved, it is often worth addressing the underlying cause to reduce the chance of a repeat incident. You may be advised to arrange follow-up work such as component replacement, a boiler service, or checks to system pressure control and pipework condition. If any drying or damage limitation steps are recommended, you will be told what to do and what to watch for over the next few days.

Frequently Asked Questions

How quickly can you attend for a boiler leak?
Availability depends on the time of day and current demand, but emergency leaks are prioritised. You will be given an estimated arrival time and kept updated if it changes.
What should I do while waiting for the engineer?
If safe, switch the boiler off and isolate the water supply to the boiler or filling loop. Keep water away from electrics and contain the leak with towels or a container. If you suspect a gas leak, leave the property and call the National Gas Emergency Service on 0800 111 999.
Can you repair leaks from the boiler and nearby pipework?
Yes, the visit covers leaks from the boiler, its valves and components, and accessible connected pipework. If specialist parts are required, the system will be made safe and the next steps will be explained clearly.
Will I get heating and hot water back the same day?
Often yes, if the leak is straightforward and parts are available. If it cannot be safely restored immediately, the system will be isolated to prevent damage and you will be advised on the quickest repair option.
Is emergency boiler leak work carried out to Gas Safe requirements?
Where gas appliances or pipework are involved, the work is carried out by appropriately qualified engineers and follows current safety standards. You will be told what was checked and what ongoing servicing or remedial work is recommended.

Related Services

Complete your experience with these services

  • Emergency No Hot Water
    View
  • Emergency No Heating
    View
  • Emergency Heating System Failure
    View
  • Emergency Heating & Gas Call-Out
    View
Show more services
  • Emergency Gas Leak Response
    View
  • Emergency Gas Appliance Isolation
    View
  • Emergency Carbon Monoxide Investigation
    View
  • Emergency Boiler Lockout
    View
  • Emergency Boiler Breakdown
    View