Broken boiler today.
New one on the wall tomorrow.

Buy a new boiler online by 3pm and get it installed the next day. No
callbacks, no ‘quotes’ – just a fixed price that saves you £1,000+.

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How BOXT works

You answer

a few questions about your old boiler and flue

You choose

a new boiler and install date online

We install

using a Gas Safe registered expert, local to you

Worcester Bosch Greenstar 25i including installation


Worcester Bosch Greenstar 25i including installation

From *

Per month 9.9% APR



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Here's what some of our customers
are saying about us...

Trustpilot stars 5

No stress service

The ordering process was easy. I ordered online and the questions were simple to answer, Boxt then provide a list of boilers which are suitable as a replacement for your old one. I chose a Worcester Bosch Greenstar 30i combi boiler...

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Trustpilot stars 5

Excellent service

Discovered BOXT on line on Wednesday and was surprised at the low prices compared to the other quotes received for the same boiler. Ordering was easy on line and advice was available from a technician as ours was not a straightforward job...

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Trustpilot stars 5

Super Impressed

My boiler broke down the other week and I was left with ridiculous quotes from British gas etc. I came across Boxt and they offered me a boiler + install which was over £1000.00 cheaper than the big companies out there + the boiler Boxt offered was much better too!...

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Our Gas Safe installers

Gas Safe installer

Every engineer in our network is a friendly, Gas Safe registered installer with plenty of experience fitting boilers. They'll keep the house nice and tidy while they work, too.

Find a boiler

Zero Salespeople

Most companies send a salesperson, who’s not Gas Safe registered, round to your house before installing your boiler. They’re there to drink a few cups of tea, “upsell” the extra bits you don’t need and pocket up to 10% as commission.

We don’t. We let you choose the package you want and, without sales staff to pay, give you a better deal on it. Online. Spiel-free. Right now.


Find a boiler
Zero Salespeople

Why choose BOXT?

  • Save over £1,350 compared to other retailers
  • Spread the cost for as little as £10.96 per month
  • Buy your new boiler and installation online
  • We expertly recommend boilers that will work for your home
  • Get it delivered and installed in 24 hours
  • Every boiler comes with a Guarantee of up to 10 years
Find a boiler
BOXT 24HR delivery

Free with your BOXT

Honeywell Wireless Smart Thermostat RRP £199.99

Get the latest in central heating technology free with all wall-mounted combi boilers from BOXT - it's available as an optional upgrade for other boiler types. Control your central heating from your phone. Adjust room temperatures, set timers or switch the heating on or off, whether you’re in the house or not. It’s easy to do it all from the intuitive touchscreen on the thermostat, too.

Smart thermostat
Free filter

We protect your boiler for free too

We put a FREE filter in every BOXT, worth up to £130 RRP. It filters nasties from the system water to protect the boiler and keeps it in top condition for longer.

* Example price £1,695. Deposit 50% £847.50 amount borrowed. 9.9% APR. 120 months at £10.96. Total repayable £2162.21. Subject to status. Based on a combi exchange for a Worcester Bosch boiler suitable for a 3 bedroom semi-detached house.