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Customers reviews

My experience with London Boiler Services has been truly excellent all the way. My old boiler was deemed dangerous to use at this year's check-up I called London Boiler Services and a very experienced engineer came to visit us and gave us advice on which boiler to buy according to our type of house and family needs. Soon after we had a brand new boiler replaced by professional and polite Gas Safety Registered Engineer. Super professional would definitely recommend it.
Adam Sendler
The team has done an amazing job installing a new boiler in our kitchen, in a very difficult and awkward location. Their very friendly and polite manner, together with their dedication, hard work, excellent delivery, and accommodating our every request and question makes them an excellent team to have. They worked tirelessly throughout the weekend in the terrible snowy weather to ensure we had heating in our house. We are greatly indebted to them for hard their work.
Mila Kunis
No false promises, just a very professional efficient friendly service. Dean was very knowledgable, clean, helpful and thorough in his work. A job well done. The best company for Boiler Installation and Servicing as very friendly, experts, helpful, accept payments by card and can book Online for Boiler Service and Gas Cooker Fit! Would recommend 100%! Shared with family and friends and will be back again soon! We Highly recommend them for their great job.
Mike Stuart


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London Boiler Services offer local, quality, and affordable boiler services in the North London area. We stock a fantastic range of the highest quality boilers and will be ready as soon as you are to book an appointment slot for your survey and installation. We are proud of being a staple of the local area, having installed top-quality boilers in London for many many years.

London Boiler Services is proud to be a trusted partner of so many companies. We are approved and certified by Checkatrade, with a 5-star rating on that service. Our work has also led to us being an approved subcontractor for massive heating services such as British Gas and CORGI HomePlan.

We endeavour to answer all customer queries within 24 hours. Get in touch today to set an appointment for free.


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We at London Boiler Services are a Proud North London Local Gas Engineering Company offering 0% Finance for Boiler Installation at affordable prices (unlike the big brands!) whilst being Google Guaranteed (Total Peace of Mind for you!)! Oh, and we are super happy to be 5 Star Rated on Google!

All Our Boiler Installations come with FREE Annual Boiler Service! We love meeting customers in Local areas around London as it gives us pleasure providing heating solutions for you! We are proud to offer the same (better, in our view) standard of works as completed works for British Gas & major Gas insurance companies.

We are so pleased to be a fully Accredited Gas Engineer company for all major boiler manufacturers like Vaillant, Worcester Bosch, Viessmann, Bax, and Ideal.

Happy to offer a FREE professional site survey for our Local customers in London if you wish, to assess the perfect boiler for your heating needs! We are a local friendly and honest company using top brand boilers with 0% Interest-Free Credit, Free Boiler Servicing, and 5 to 12-year Warranties, so feel free to give us a Call Today 😉 We would love to help!

Our Boilers

What is the best boiler for your property in RUISLIP? Our experts will make a recommendation after conducting a survey, but here is a brief explanation of the most common types:

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Combination or ‘combi’ boiler

If you live in a small flat or house with one or two bedrooms, or your business is in a smaller building, your best option for hot water and heating is most likely to be a combination boiler, more commonly known as a ‘combi’.

Combi boilers are popular because they allow owners to heat their home and water quickly on demand.

They combine – hence the name ‘combination’ – central heating with domestic hot water in one device. This means they are space-efficient because there is no water tank. When hot water is needed, a combination boiler stops pumping water to the central heating system and diverts power to heat the water.

They are cheaper to install since they do not require water tanks and the pipes and controls that come with them.

It is estimated that combis comprise nearly 80% of all boilers sold in the UK. And growing awareness regarding the benefits of adopting sustainable technologies, such as solar, is helping to drive that popularity.


System boiler

Larger properties tend to have system boilers installed, which use a separate cylinder for storing hot water.

The boiler generates the hot water which is then stored in the cylinder. The water is usually heated by gas jets, but more and more are using electricity generated by green technologies like solar and wind.

The large reservoir of water means there is enough heated water to meet the demands of a busy household or a business with many employees.

System boilers are also more energy-efficient as they are sealed systems, so heat loss is kept to a minimum. As well as reducing the property’s environmental impact, this can help keep utility bills low.

However, a system boiler has a higher pressure that may not be suitable if your home has low water pressure or older radiator systems.


Heat-only boilers

Conventional boilers or heat-only boilers are mainly installed in larger properties when a large volume of hot water is needed throughout the building at the same time – for example, in certain light industries or hotels.

They are usually comprised of a hot water cylinder and a cold-water storage tank and are kept in lofts and basements.

System and combi boilers can cause damage to buildings with older hot water and central heating systems because they operate at a higher pressure. Therefore, a conventional boiler may need to be installed instead.

Frequently Asked Questions

A gas boiler annual servicing contract is normally priced between £160 and £250 from the national companies. A one-off boiler service will cost you between £80 and £180 generally – A local company like us London Boiler Services is cheaper than national companies as we provide a Affordable Fixed Price for a Boiler Service. Book Today by phone or Online.

London Boiler Service has an easy online solution for booking your annual boiler service or gas safety check service. Our simple online booking system will make sure that you’re left with peace of mind safe in the knowledge that it has all been taken care of. Just choose a suitable date and complete the process online easily to book your boiler service with London Boiler Services.

A plumber can work on your heating system (radiators, pipework etc), but cannot work on the boiler or the gas pipe. The main difference between a plumber and a heating engineer is that a plumber does not carry any gas safe qualifications. Gas work is illegal if it has been carried out by someone who is not registered or qualified to do the work. At London Boiler Services all our Gas Engineers are qualified and registered with Gas Safe.