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  • One fixed price
  • Up to 10 year warranty
  • 20,000+ happy customers
  • Next day installation
  • Gas Safe approved

Value you can trust

EDF and BOXT are committed to keeping your home safe and warm. 
With BOXT’s unique price promise you can be confident you’re getting the best deal around for a fixed price. And that prices includes everything: parts, labour and warranty.
Pretty amazing.

BOXT’s Trustpilot rating 5 out of 5 based on 4,660 reviews

The Worcester Bosch Greenstar 25i
Popular on BOXT

The Worcester Bosch Greenstar 25i

From £1,795 or monthly payment options including 0% deposit available through BOXT, subject to status

  • Price includes installation, parts, labour and VAT
  • 10 year warranty included
  • Get it delivered and installed in 24 hours (subject to installer availability)
  • Includes flue, filter & everything else you need

COMES WITH: Wireless room thermostat.

This is the guide price for this boiler, which might not be suitable for your home.

For other great boiler deals, pop over to BOXT and get a quote.

Get a quote

Exclusive EDF offer

Free Philips smart lighting when you buy a new boiler

You won't get this amazing offer anywhere else

Get a quote from BOXT using the ‘Get a quote’ links on this page

Buy your boiler and book your installation online through BOXT

Once your new boiler has been fitted, BOXT will send you an email with your unique code and instructions on how to claim your offer

Please note: you can only claim this offer by following the steps above.

Terms and conditions apply

Smart heating kits included

with selected combi boilers

FREE Google Nest Learning Thermostat and stand

FREE Google Home Mini

Google Nest Learning Thermostat learns the temperature that you like.

You can control it with an app or with the superb Google Home Mini, also included.

It even turns itself down when you’re away, saving you energy and money.

Get started with the link below.

Get a quote
  • Why BOXT?
  • How BOXT works
  • What happens on the day?

Why BOXT?

Better
Better

BOXT are rated number one for Gas Installation & Heating on Trustpilot

Faster
Faster

Buy online by 3pm and you could get it fitted the next day

Cheaper
Cheaper

Cheaper than the competition, or BOXT will give you a £50 Amazon voucher

How BOXT works

Get the right boiler for your home in less than five minutes

You answer
You answer

a few questions about your home and send a few photos.

You choose
You choose

a package that's tailored for you and choose an install date.

BOXT install
BOXT install

their professional engineers will carry out the installation hassle and mess free.

What happens on the day?

Friendly, familiar, right on time
Friendly, familiar, right on time

Having already met them on the website before booking, your installer will arrive on time.

They’ll walk you through what they’ll do, how they’ll do it, and keep you informed along the way.

So you can relax and leave it to the expert.

Your home in safe hands
Your home in safe hands

Every single one of BOXT’s installers are accredited.

They have the right skills, tools and experience for the job.

They’ll lay dust sheets wherever they work to make sure your home is 100% protected.

No mess left behind
No mess left behind

Once the job is done and dusted, your installer will take away any mess or debris from the job to be recycled.

The work is usually carried out the same day.

Guiding you through your new kit
Guiding you through your new kit

Your installer is dedicated to you.

They’ll make sure you know exactly how everything works.

So pop the kettle on, relax, and they’ll show you exactly what’s what.