North London’s central heating specialists.
Quality boiler installations at affordable rates.

Accredited and monitored by

Harrow Gas Services are Gas Safe registered

Harrow Gas Services are Vaillant Advance Installers

Harrow Gas Services are proud members of Checkatrade

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Boiler Installations & Upgrades in London

Need a new boiler?
Harrow Gas Services cover everything from upgrading your old model to installing a new high-performance combi boiler system from the ground up.

Is your current central heating system letting you down? Make your home warm and cosy again, boost your energy efficiency and reduce your heating bills with a brand new boiler installation.

Harrow Gas Services supply and install new boiler systems across the London area. With full Gas Safe Register certification, Valiant Advance Installer accreditation and over 16 years of experience, you can trust our expert engineers to deliver a top-class installation at an affordable rate.

You can rely on us for servicing and repairs, too – whatever your central heating issue, we’re here to help. Call us on 07402 806032 to find out more.

Top Eco-Friendly Brands

Boiler installation London by Harrow Gas Services supplying Worcester, Bosch, Baxi and Vaillant boilers

Choose from a range of central heating systems and premium combi boilers from the industry’s leading brands, including Potterton, Worcester Bosch and Baxi models.

Every installation project comes with an optional extended warranty; up to 15 years on selected brands, including an exclusive 10 year warranty on Valiant models through our Valiant Advance Installer accreditation.

Hive, Nest and other smart heating technologies can also be supplied and installed, providing you with handy remote control over your heating.

Not sure which system is right for you?
No problem – our expert engineers can offer honest, impartial advice on the best boiler for your household’s needs. For your free estimate, call us on 07402 806032 or simply answer a few questions online for an instant quote.



Quality and Safety Guaranteed

Every boiler installation project is carried out quickly, safely and with minimum fuss. All labour and parts are covered by a 12 month guarantee, and Harrow Gas Services hold full public liability insurance – so if things should ever go wrong, you can trust us to put them right. Plus, we come highly recommended on CheckaTrade – take a look for yourself!

Need assistance for a boiler repair?
Harrow Gas Services also provide boiler servicing and emergency repairs – visit our page to find out more or call our 24/7 hour line on 07402 806032 to book a same-day appointment.

We only fit the best..

Contact us Now

We cover all areas including:
Ealing, Eastcote, Harrow, London, Middlesex, Northwood, Pinner, Ruislip, Watford.

We are accredited and monitored by

Harrow Gas Services are Gas Safe registeredHarrow Gas Services are Vaillant Advance InstallersHarrow Gas Services are proud members of Checkatrade

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Give us a call