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Peace of Mind for 10 Years

10 Years parts and labout guarantee on boiler.
2 Years free boiler servicing - value £192
10 Years Guarantee on Heat Exchanger* directly from manufacturer.
* the heat exchanger is the engine room of the boiler - it is the most important component

Our Reputation is Your Guarantee

The above may sound a bit Arthur Daley(ish) however, As you are probably aware you most likely reading this as you want to invest in a new high efficiency boiler for your home and you do not want to be ripped off, given poor advice and you want an excellent standard of work carried out.

We are small (ish) family business that has built a solid reputation since our foundation in 2003. As you can see from the many testimonials from members of the public and the many celebrities we serve, we have a constant need to maintain our high levels of service.

Our team are factory trained by Worcester Bosch, Viessmann and Vaillant. We will repair any make of boiler, where practicable however we will only install high quality German built central heating boilers as they are manufactured to higher build quality and specification when compared to cheaper European manufacturers. As a business we have partnered with Worcester Bosch for the following reasons:

Bosch are a recognised brand synonymous with high quality, reliability and amazing efficiency

It is a fact that we only find that a company lives up to its brand values when there is a problem or issue, Worcester Bosch customer service experience is operated in a similar way to John Lewis Partnership, they are simply put, 'a pleasure to deal with on any matter' which is an important factor when deciding which boiler you are going to choose to provide you with heating and hot water for many years to come.

We are able to offer you the longest guarantee on any Bosch Gas boiler

As a customer of Leakbusters we promise you the highest level of customer care and exclusively the longest guarantee on a Worcester Bosch boiler.

The guarantees are free of charge, the only requirement is that the boiler must be serviced every year (this is to ensure that the boiler is burning gas in the most efficient and economical way possible and that is safe for the customer to operate)

Our engineers are factory trained by Bosch

We are Bosch's biggest 'diamond approved installer boiler specialist'

We only use genuine factory approved spare parts - never ever copy parts

Our prices are fixed so you always have control over your purse strings

Any 'issues' will always be explained to you in a clear and concise manner, followed up in writing from our office

Fastest service call in London guaranteed. Call us and... watch the dust!

All engineers are Gas Safe registered

Exclusive 10 year parts and labour guarantee

Free 10 years Parts & Labour Guarantee

Free 10 years Parts & Labour Guarantee on boiler heat exchanger (the heat exchanger is the engine room of the boiler - it is the most important component)

Price Promise


We will match or beat where possible any like for like quotation and still offer you our exclusive 10 year guarantee options as advertised in our recent advert on Smooth FM.


Exclusive 10 Year Boiler Guarantee



If these guys were Gas Engineers they would work at the London Boiler Company!