London Boiler
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London Boiler
George manages an ever increasing part of our company Leak Detection. Old Central heating system and systems incorrectly installed can leak, this can be a nightmare if your heating pipes are buried in concrete or hidden under the floor. We have developed a unquie system for finding leaks which we have Trademarked at the UK Patent Office.

How do we find leaks without digging up the floor or lifting up floor boards? This is the chap that visits and makes all the appropriate checks to make sure you get the best advice possible! Please be advised that we cannot guarantee to repair your boiler out of hours, this is simply because if parts are required we cannot obtain them after 5pm when the parts wholesalers close they close at 12pm Saturdays.
Services
London Boiler Company is the specialist heating division of LeakBusters Limited. We are a retailer and installer of Central Heating Boilers and High Efficiency equipment such as controls and thermostats, including Telephone 'App' type controls, and are committed to giving you the best value for money and customer service that we possibly can.
ALL Gas Boilers whether condensing or Standard Efficiency all must notified to Building Control are subject to Boiler Compliance Certificate. ALL unvented cylinders must notified to Building Control are subject to Building Regulations Compliance Certificate. Electric Boilers for heating your radiators and/or hot water cylinder are NOT subject to Building Regulations and therefore do not need to be registered or notifed.
Our engineers are Gas Safe registered (legally qualified to work on gas appliances) and Part P qualified (legally qualified to inspect, recommend and repair electrical works). Our engineers are factory trained by leading boiler manufacturers in fault diagnosis both mechanical and electrical. We have access to most boiler spares Monday to Friday 8am - 5pm from our approved boiler spares stockists.
Do you own a large house or commercial property? Please take our advice and do NOT install a large commercial boiler without at least talking to us. Commercial boiler and installation will generally cost more than installing domestic boilers.

A Commercial boiler will have a 2year Parts and Labour Warranty - then you will have to pay expensive hourly commercial rates when the boiler is out of warranty and don't forget the price of commercial boiler spare parts are significantly more expensive than domestic boiler parts.
The Elson Coral E Thermal Hot Water System was once the number 1 choice of hot water systems to modern flats and properties. The Coral E System originally came in 2x sizes, 150 litre and 210 litre. Elson would tweek the overall design of the Coral E so that the position of the inlet and outlet pipes, the immersion heaters would vary on each depending on the design specified by the property builder/designer.
Reviews (6)
John Sturman
John Sturman
May 21, 2021
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London Boiler Company provide a good service. John retired mental hospital worker London.
Service: Repair water heater
Asia Dabrowska
Asia Dabrowska
Jun 07, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
Very swift communication , installation of the new boiler was a bit delayed on the day and I was worried they may not be able to carry out the work, but they did! The engineers were very professional, quick, cleaned up after the installation was complete, we are very happy with all the work done and can highly recommend!
Delphine Guillotin
Delphine Guillotin
Jan 28, 2020
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The engineer who changed my boiler was fine but the lady in charge of the booking and payment was unprofessional. She even managed to use my bank details without my permission! I paid 50% upfront on the phone, she kept my bank details and used them to get the remaining 50%. I wasn't even late or anything. She had no reason to do that and it's illegal to keep someone's card details without their permission. Don't go there, their expensive and obviously not worth it!
Joshua M.
Joshua M.
Jun 12, 2019
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Professional office staff and a good swift repair to my old boiler, not happy that the plumber tried to convince me and my wife that he made gin for Harrods and Fortnum Masons in his spare time. He needs to drink less gin, he was very nice.
Keith M.
Keith M.
Aug 23, 2018
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Flexible and efficient. Did a superb very neat job of installing a new boiler that has worked flawlessly for the three years since. Less expensive than most. Everything above board with correct paperwork and certification. Was a joy and relief to find them.
Martin Nicholls
Martin Nicholls
Oct 07, 2017
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The London Boiler Company are one of the most polite, helpful, professional, knowledgeable, reliable, efficient and communicative service providing companies that I have ever worked with and I am already making my views known to friends in the Hampstead area and people I know who are in the property industry (I am a retired Chartered Surveyor). I have no hesitation, whatsoever, in recommending this incredibly good value, polite and efficient company. They turned what looked like being a stressful nightmare into a pleasurable experience……. In the words of Tina Turner … They are “simply the