With so many boiler installation and repair companies out there it can be difficult to find one that you can rely on.

London Plumbers Intersmooth DevelopmentsWe are a different kind of domestic heating installation and repair company. Our company combines high quality, professional, experienced staff with 100% dedication to customer satisfaction.

Our team of highly experienced, qualified and dedicated engineers have been installing, servicing and repairing domestic boilers for more than 25 years.

All of our gas engineers are Gas Safe qualified and are required to carry their Gas Safe Register ID card with them at all times, while working for us.

We are dedicated to providing 100% customer satisfaction at all times and as a result our company has earned a growing reputation for providing high quality, professional services at affordable prices.

The solution to your to all your heating & plumbing needs is just a click away

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We will surpass your expectations

If you are looking for high quality boiler installation, boiler servicing or boiler repair, then our boiler service will not only meet you expectations, it will surpass them.

We are able to provide a surprisingly high level of service due to the fact that we have extensive experience with all makes and models of domestic gas fired central heating systems, including:

  • Alpha
  • Baxi
  • Glow Worm
  • Grant
  • Hamsworthy
  • Ideal
  • Keston
  • Main
  • Potterton
  • Vaillant
  • Viessmann
  • Windhager
  • Worcester Bosch

Our level of service is second to none and our work is backed up by our total commitment to customer satisfaction.
(Please note that under current building regulations, new and replacement gas fired boilers must be a condensing boiler.)




What we do

We provide a high quality boiler repair and maintenance service that you definitely can rely on.

With more than 25 years industry experience we are specialists in all aspects of domestic central heating boilers, including:

Boiler Installation – Our engineers will advise on the most appropriate boiler for your needs and install it professionally and efficiently;

Boiler Servicing – We provide regular servicing, helping to ensure your heating always operates at optimal effectiveness;

Boiler Repairs  – You can rely on our 24 hour boiler repair service. Unlike many companies our comprehensive repairs service uses quality replacement parts fitted by qualified heating engineers;


All our work is fully guaranteed and we have full public liability insurance.

Warning: Boilers are more likely to break down if they have not been maintained or serviced regularly. Faulty boilers can emit lethal levels of carbon monoxide (CO) putting everyone in the property in serious danger.


We conduct Gas Safety Inspections in your properties and issue Landlord’s Gas Safety Certificate CP12 to ensure you are compliant with the Gas Safety (Installation and Use) Regulations 1998. These Inspections are required by law and must be carried out annually.

If you have a plumbing or central heating problem contact us now, on or email us at . We can tell you how we can help and provide you with a free, no obligation quotation, on request.