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Boilers and Central Heating

Call H2 Plumbing to get your heating and hot water working quickly and efficiently again. Boiler repairs include fault finding, parts replacement and diagnostic solutions. We also install new boilers and complete heating and hot water systems or upgrade your existing system wherever possible. Call us today for a quote.

Our team of expert boiler engineers work with all makes and models including Worcester Bosch, Vaillant, Baxi, Veissman, Potterton, Ferroli, Glow Worm, Ideal, Keston, Main and Vokera.  

Book an Engineer: 020 7751 3344

or request a call-back here

"Excellent service. We were very pleased with the result. H2 stand head and shoulders above other heating engineers in the area."  Dr J Dean, London, May 2015


  • Annual boiler services & repairs
  • Manufacturer accredited 
  • New boiler installations
  • Up to 8yrs warranty on new boilers
  • Power flushing for radiators
  • Underfloor heating systems
  • Emergency service 7 days a week
  • "Preferred" boiler engineers for London's leading Property Managers
  • Family-run business providing excellent customer service

Every engineer employed by H2 is registered with Gas Safe to carry out gas work safely and to professional standards. 

  • H2 Plumbing's Gas & Heating Division are specialist engineers of central heating and hot water systems.  

  • We work with all makes and models of boilers for annual services, boiler repairs, parts replacement and new boiler installations. 

  • We also work on all domestic gas installations and repairs. 

  • We offer hourly and quarter hour charges and free quotations.

Recommended heating engineers

Our engineers are used by London leading lettings agents to repair, maintain and replace heating systems in their portfolio of lettings properties. 

Our private clients and landlords know that our teams work hard to source all boiler parts quickly and efficiently to make sure that they have working heating & hot water as fast as possible.

What our customers say:

"I used H2 to have a new boiler fitted. It was the first time I have had to deal with putting in a new boiler and from the moment Guy came around to do the quote, I was put at ease. His team were incredible and I couldnt be happier".

Tina Dooley, SW6 Jan 2014

boiler breakdown repairs & New Installations

All boilers serviced & repaired. 

Our team carry out repairs quickly to ensure you have hot water and heating when you need it. We provide free, no obligation quotations with expert advice from our experienced heating engineers for every new boiler installation.

All work guaranteed for a minimum of one year on labour. As accredited "Preferred Installers" for several of the largest boiler manufacturers we are able to offer extended periods of warranty on new installations: up to 8 years for Vaillant and 5 years for Gloworm. 

You can rely on us for fast boiler breakdown repairs, all domestic gas services and new gas and central heating installations. 

  • Boiler repairs
  • Boiler fault finding
  • Boiler servicing
  • Boiler installations
  • Radiator leaking
  • Central heating repairs
  • Central heating pumps
  • Central heating controls
  • Immersion heaters
  • Vented and unvented cylinders
  • Thermostats
  • Thermostat valves
  • Noisy radiators
  • Power flushes
  • Water heaters

domestic gas services & repairs

Our Gas Safe registered Engineers are qualified to carry out all the following installations, repairs and services on:

  • Gas cookers and hobs
  • Gas leaks
  • Gas Safety Tests
  • Gas fires
  • Gas fired Agas
  • Water heaters

Power flushing for central heating

We carry out power flushing on heating systems to improve the performance and life of your new or existing heating systems.  By using our high powered jetting machines, we can remove all the sludge, silt and debris from radiators and pipework to leave your heating system working like new. For a free, no obligation quotation to powerflush your property, call us on 020 7751 3344.

landlord gas safety certificates

H2 Property Services are fully accredited to carry out Landlord Checks and Certificates, including Gas Safety Certificates (CP12) and Periodic Electrical Inspections. We are also available to carry out safety checks and pre-purchase reports for plumbing, gas and electrics. For more information on our Gas Safety Certificates click here gas-electrical-certificates or telephone us 020 7751 3344.

What our clients say...

I used H2 to have a new boiler fitted. It was the first time I have had to deal with putting in a new boiler and from the moment Guy came around to do the quote, I was put at ease. Bentley and the boys were incredible and I couldn't be happier
Tina Dooley

Plumbing certificates
Which? Trusted trade
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