Boiler and Heating
Boiler and Heating Services in London
We provide domestic gas boiler repairs, servicing, central heating, installation and gas appliance services for homes across London.
Smell gas? Leave and call the National Gas Emergency Service on 0800 111 999 from a safe place before booking. Avoid switches and flames; ventilate and isolate gas only if safe.
Suspect carbon monoxide exposure or hear a CO alarm? Get outside into fresh air. For suspected exposure, seek NHS 111 medical advice, or call 999 for serious symptoms, then call 0800 111 999 without delaying medical help. CO has no smell.
Call with your postcode, the boiler make and any fault code showing.
- Gas Safe registered: 648977
- Phone line open 24/7
- Same-day appointments available
Emergency Boiler Repair
Emergency boiler repair is the service for an urgent breakdown affecting your heating or hot water.
Emergency boiler repair: 24/7 emergency boiler call-outs for urgent breakdown assessment and repair.
Boiler Repair
Choose general boiler repair if you are unsure what is wrong, or select the problem you have noticed from the services below.
General Repairs, Fault Finding and Pressure Loss
Use general repair for a boiler fault, fault finding for an unclear problem, or pressure-loss repair for recurring pressure drops.
- Boiler repair: assessment and repair when your boiler stops working or develops a fault.
- Boiler fault finding and diagnosis: investigation of unclear faults, repeated lockouts or an unexplained display message.
- Boiler pressure loss repair: finding and repairing the cause of recurring boiler pressure loss.
Boiler Water Leaks and Condensate Pipe Problems
For water leaking from the boiler, use the general repair service above and describe where you noticed it. Condensate drainage problems have a separate service.
- Condensate pipe repair and re-routing: repair and re-routing of blocked, damaged or freeze-prone condensate pipework.
Boiler Servicing
Boiler servicing is the planned maintenance service for your gas boiler.
Boiler servicing: annual servicing carried out to the appliance manufacturer’s instructions, with details on the service page.
Central Heating and Radiators
Choose central heating repair for a system problem, or a radiator service for work on an individual radiator.
Radiator Repair, Replacement and Installation
Select repair for an existing fault, replacement to change a radiator, or installation to add one.
- Radiator repairs: assessment and repair of radiator leaks, valve faults and heating problems.
- Radiator replacement: replacement of an existing radiator with a suitable new unit.
- Radiator installation: installation of an additional radiator with position and heating requirements assessed.
Central heating repair: assessment and repair of heating-system faults affecting circulation or heat delivery.
Heating Controls and Thermostats
Choose heating controls support for thermostat, timer or programmer problems and fitting enquiries.
Heating controls and thermostat repair and fitting: diagnosis, repair and fitting of compatible heating controls and thermostats.
Heating System Care
System care includes cleaning and filtration options selected after assessing your heating system.
- Powerflush: cleaning contamination from the heating circuit where assessment supports this work.
- Magnetic filter installation: fitting a filter to capture circulating magnetic debris in suitable heating systems.
Boiler Installation and Replacement
Choose boiler installation and replacement when you are planning a new gas boiler.
Boiler installation and replacement: assessment and installation of a suitable gas boiler for your home’s heating requirements.
Gas Pipework, Cookers and Fires
Gas work covers internal pipework repairs, cooker and hob installation, and gas fire services.
Suspect escaping gas? Leave and call 0800 111 999 from a safe place before booking.
- Gas leak repair and gas pipework: internal gas leak tracing and pipework repair after the supply has been made safe.
- Gas cooker and hob installation: installation and connection of domestic gas cookers and hobs.
- Gas fire servicing, repair and installation: appliance work including flue and ventilation checks.
Boiler Repair and Servicing by Brand
Choose your boiler brand for its dedicated repair and servicing page.
Vaillant Boilers
For a Vaillant boiler, view the dedicated service page:
Worcester Bosch Boilers
For a Worcester Bosch boiler, view the dedicated service page:
Ideal Boilers
For an Ideal boiler, view the dedicated service page:
Boiler repair, servicing and gas work
Arrange Boiler or Heating Work in London
Call with your London postcode, the problem or planned job, and boiler brand and model if known. Our Gas Safe registered engineers carry out gas appliance work; All Service 4 U’s business registration is 648977.
Call us 24 hours a day, 7 days a week: 020 3740 6785.
020 3740 6785
