BAILEY GAS & HEATING LTD

Premium Boiler Installations Across London

Looking for a new boiler? Bailey Gas & Heating installs Vaillant boilers and designs heating upgrades around your home, your hot water needs and your existing system.

Quick online estimate · No obligation

Gas Safe Registered

Qualified engineers for your boiler installation.

Vaillant Accredited Installers

Specialist knowledge of Vaillant heating systems.

Installing Across London

Covering North, East and Central London.

Why Bailey Gas

A proper installation, not just a boiler swap.

A new boiler needs to work with the rest of your heating system. We take time to understand what’s already in your home, what you need from your heating and hot water, and whether any changes to the system should be considered alongside the installation.

From the first quote to the final handover, you’ll get clear advice, careful workmanship and an installation carried out with attention to the details.

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What we specialise in

Boiler installations built around your home

Vaillant boiler replacements

Replacing an older boiler with a Vaillant system? We’ll consider your home’s heating and hot water requirements and recommend a suitable installation, with clear advice on the work involved.

Combi conversions

If you’re thinking of moving from a separate hot water cylinder and tanks to a combi boiler, we can assess your existing setup and talk you through whether a conversion is right for your home.

Boiler relocations

Want your new boiler in a different position? We can assess the proposed location and the changes needed to the flue and pipework as part of your installation quote.

Heating system upgrades

A boiler replacement can also be an opportunity to look at your controls, radiators and wider heating system. We’ll help you decide which improvements make sense for your home.

Our Simple Three-Step Process

How to get started

01

Tell us about your home

Answer a few questions about your property and current heating system using our online quote tool.

02

Show us your existing setup

Where requested, upload photos of your boiler, flue, cylinder and visible pipework so we can better understand the job.

03

Get your quote and next steps

We’ll review the details and advise on the next step for your installation.

Our WORK

See the Quality of Our Onstallations

Wall-mounted white Vaillant boiler installed above a countertop with copper pipes visible beneath it. A Bailey Gas & Heating folder labeled 'Boiler Documents Enclosed' is placed below the pipes. To the left is a wooden cabinet with a glass door showing books inside. On the right side of the countertop is a paper towel holder with a roll of paper towels and a smartphone partially visible.Kitchen sink area with a brass faucet, white marble countertop and backsplash with gray veins, and a white Vaillant boiler mounted on the wall above visible copper pipes.White wall-mounted Vaillant boiler with several exposed copper pipes extending vertically and horizontally below it inside a partially enclosed space with white cabinet doors, one of which is open.White Vaillant boiler mounted on a wall in a small utility space with exposed copper piping and a gas meter below it.

Google Reviews

Recommended by London homeowners

"I’ve used Bailey Gas for 7 years and have found Jason & his team to be professional, friendly & trustworthy. The work is always of an excellent, professional standard & is competitively priced.

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George

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"Jason installed our boiler back in 2014 and we have used him for gas safety and servicing ever since. He provides great communication, timekeeping and of course, excellent workmanship."

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Martin Kolarides

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"I feel like I’ve finally found an amazing workman here. His manners were second to none. He was totally accommodating and helpful. I’m just disappointed I didn’t find him years ago!"

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Emily Mumford

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"Jason did a great job; helped us find the problem, gave a prompt and reasonable quote and replied to all emails/texts promptly. Super polite and helpful too. Really impressed, will definitely use again!"

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Paul Gayner

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