Central Heating Repairs in London
Cold radiators and noisy pipes fixed properly
If your radiators are cold, your pipes are banging or the system keeps losing pressure, our central heating repairs in London will get your home warm again. Our Gas Safe registered engineers track down the cause, whether it is a failed pump, a stuck zone valve, a leaking radiator valve or a faulty thermostat, and repair it properly. There is no call-out fee and you get a fixed price before we start. If the fault is with the boiler itself, see our boiler repair page, or browse all our heating services.
Central heating faults we repair
EMERGENCY:
AVAILABLE 24/7
Heating failed or a radiator valve leaking? Our engineers answer emergency calls 24/7 across London, make the system safe and give you a fixed price before any repair starts.
RADIATOR PROBLEMS
- Radiators cold at the top or bottom
- Leaking radiator valves and TRVs
- Stuck or seized radiator valves
- Radiator replacement where needed
PUMPS, VALVES AND PRESSURE
- Pump failure and replacement
- Zone and motorised valve faults
- Pressure loss and hidden leaks
- Expansion vessel faults
NOISE AND CONTROLS
- Banging, gurgling and noisy pipes
- Airlocks cleared from the system
- Thermostat and programmer faults
- Wiring centre and control faults
How we repair your central heating
- Finding the fault: We check the pump, valves, controls and radiators in turn to find the real cause, rather than guessing and swapping parts.
- Fixed price first: We explain what has failed and give you a fixed price for the repair before any work begins, with no call-out fee.
- Repair and test: We fit the new parts, refill and bleed the system, set the pressure and run the heating to make sure every radiator warms up.
Signs your heating needs attention
Small faults are usually cheaper to fix early. Watch out for radiators that are cold in places, a pressure gauge that keeps dropping, drips under a valve, or banging and gurgling when the heating comes on. Pressure loss often means a hidden leak or a failing expansion vessel, while cold patches usually point to trapped air or sludge. If sludge is the cause, powerflushing may be the best long-term fix rather than replacing parts one by one.
Areas we cover
From busy city hubs to peaceful suburban neighborhoods, we’ve got London covered. Our expert property maintenance services ensure your home or business stays in top condition, no matter where you are in Greater London.
Why choose Jennings?
- Clear, competitive pricing
- No call-out fee, free fixed-price quotes
- Gas Safe registered engineers
- Tidy, honest and reliable
- Work guaranteed for up to 18 months
- New boiler warranties up to 18 years
Need heating supplies?
Our shop on Lupus Street in Pimlico stocks quality plumbing, heating and electrical supplies from trusted brands. Tradespeople and DIYers are both welcome, and our team is always happy to give advice.
