A BOXT van
A BOXT van
A BOXT van
a BOXT engineer installing pipework and a magnetic boiler filter
a BOXT engineer installing pipework and a magnetic boiler filter
a BOXT engineer installing pipework and a magnetic boiler filter
a Vaillant boiler installed in a kitchen cupboard
a Vaillant boiler installed in a kitchen cupboard
a Vaillant boiler installed in a kitchen cupboard

Boiler installation in London

Next day boiler installation in London*

Get a fixed price quote for a new A-rated boiler, with Gas Safe installation in London


How does BOXT work?

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Discover

Answer some questions about your home and get a fixed price install quote in minutes

Choose

Compare brands, models and sizes to choose the right solution for your home. Pay upfront or in instalments

Install

Order online by 3pm for next working day installation by a skilled and friendly BOXT accredited engineer

Maintain

Download the BOXT app to keep track of your installation and view all your important documents

Our installers work across London

Whether you’re in Camden or Chelsea, Wimbledon or Walthamstow, having the right boiler can turn a house into a home. Our engineers work across London, providing reliable, reputable boiler installations from leading manufacturers – keeping you and your family warm whenever and wherever you need us.

Here are some of the places we cover…

Barking & Dagenham

Barnet

Bexley

Brent

Bromley

Camden

City of London

Croydon

Ealing

Enfield

Greenwich

Hackney

Hammersmith
& Fulham

Haringey

Harrow

Havering

Hillingdon

Hounslow

Islington

Kensington & Chelsea

Kingston upon Thames

Lambeth

Lewisham

Merton

Newham

Redbridge

Richmond upon Thames

Southwark

Sutton

Tower Hamlets

Waltham Forest

Wandsworth

West London

Westminster

& more…

Find the right boiler for your London home

At BOXT, we’re on a mission to make heating your home easier, one A-rated boiler installation at a time. 

Simply tell us a few details about your London property and household to get boiler recommendations tailored to your heating and hot water needs.

What happens on the day of my boiler installation?

Once you’ve found the right boiler for your home using our clever online process, one of our Gas Safe registered engineers for London will come and install it at a time that suits you. We remove and recycle your current boiler, prepare the pipework and flue, fit your new boiler and get everything configured before carrying out thorough tests to ensure maximum efficiency.

A step-by-step guide to your boiler installation

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First, we'll remove and later recycle your old boiler

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Next, we'll prepare your existing pipework and flue

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After that, we'll assemble and position the wall fixings

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We'll then fit your new pipework and magnetic filter

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All pipework will be soldered and sealed

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Your new boiler will then be fitted and the flue connected

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We'll move on to setting up and configuring your boiler

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Your system will be refilled before testing commences

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An emissions test is then carried out

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To ensure maximum efficiency, we'll flush your new system

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We'll then set up your controls and show you how to use your new system

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All necessary certificates are then completed, and available in our 5-star rated app

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Boilers, and then some

When you choose BOXT for your London boiler installation, you’re choosing a best-in-class boiler with a host of incredible added extras. 

We provide a 1-year workmanship guarantee on all work carried out by our Gas Safe registered installers for total peace of mind.

Plus, we offer add-ons like MagnaCleanse flushes and Google Nest smart thermostats to keep your system running smoothly and efficiently.

We install, service, and repair

In London and need help with something else boiler-related? Relax – we’ve got you covered. Alongside boiler installations, BOXT offers boiler repairs across all London boroughs and servicing via our trusted partner, HomeServe.

Book a boiler repair in London

Learn more about servicing

Ways to pay

Spread the entire cost on selected boilers with up to 48 payments at 0%

Finance from 12-120 months

Choose an all-in-one BOXT Life boiler plan from £33 a month

All-in-one boiler plan

All major credit and debit cards accepted so you can pay in full today

Pay today

FAQs

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Ready to find a new boiler for your London home?

*boilers installed on the next working day if you order by 3pm, subject to availability