Don't miss out on £150 off all Vaillant boilers, only available for Black Friday weekend*
Answer some questions about your home and get a fixed-price install quote in minutes
Compare brands, models and sizes to choose the right solution for your home. Pay upfront or in instalments
Order online by 3pm for next-day installation by a skilled and friendly BOXT accredited engineer
Download the BOXT app to keep track of your installation and view all your important documents
Gas safe engineers
Ops & tech staff
Trustpilot reviews
fixed price quotes given yearly
BOXT customers
to offer boilers online
largest online boiler company
Expertly picked boilers
We expertly recommend boilers that will work for your home. You can get it delivered and installed in as little as 24 hours
Five star service
That means no salespeople visiting your home, and one fixed, fair-price quote for your full installation
Our Gas Safe installers
Every boiler installer in our network is Gas Safe registered, with plenty of experience
Make your home smarter
We love boilers, but there’s more to a good home than hot water
Spread the entire cost on selected boilers with up to 48 payments at 0%
Finance from 12-120 months
All-in-one boiler 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
Take the stress out of boiler ownership with a BOXT Life plan, which includes installation, unlimited repairs, replacement & servicing from only £33 a month.
No deposit required.
Get a next day boiler repair visit for £89
Add up to 10 like-for-like radiators when choosing your boiler and get a free TRV on each one to help you improve the efficiency of your heating system. We’ll install them during your boiler installation. We can only fit new radiators in place of existing ones, not in new locations.
Let's save you some time. We’re so confident we can give you the best fixed price installation that if we can’t beat a like-for-like quote we'll give you a £50 Amazon voucher.
*Black Friday weekend runs from Friday 29th November to Monday 2nd December. Click here to view the full Terms & Conditions.