We’ve teamed up with BOXT, the number one rated gas installation and heating service on Trustpilot(2) to replace your boiler.
Important information about COVID-19
All our partners are working hard to serve our customers and keep everyone safe during the coronavirus pandemic. If you have any questions or concerns, our partners will be happy to help
Save £50 on any BOXT boiler
We’ve teamed up with BOXT, the number one rated gas installation and heating service on Trustpilot(2).
- Prices include installation, parts, labour and VAT
- Monthly payment options including 0% deposit available
- Up to 10-year warranty
- Delivered and installed in 24hrs (subject to installer availability)
- Includes wireless room thermostat, flue, filter and everything else you need
How much is a new boiler?
Worcester Bosch Greenstar 25i - Popular on BOXT
from £1920
- Price includes installation, parts, labour and VAT
- Monthly payment options including 0% deposit available, subject to status
- 10-year warranty
- Delivered and installed in 24hrs (subject to installer availability)
- Includes wireless room thermostat, flue, filter and everything else you need
This is a guide price for this boiler, which might not be suitable for your home
New boiler and value you can trust
BOXT are so confident their prices are the lowest that if you find exactly the same fixed price boiler installation cheaper elsewhere, they will either beat the like-for-like price by £50 or give you a free Amazon voucher if they can't.
Get more than just a new boiler
Why replace your boiler with BOXT?
What happens when replacing a combi boiler with BOXT?
Find out what happens on installation day with a straight forward combi boiler swap.
Combi boilers are both a high-efficiency water heater and central heating boiler in one single unit, which can improve hot water pressure and mean there's no need for a hot water tank.
Things to consider when replacing your boiler
Boiler grants
Discover what schemes and subsidies are available to help you with the cost of a new boiler.
Guide to new boiler replacement costs
A new boiler can be expensive, especially when unplanned. We explain what you should consider when getting a boiler that can impact the cost.
UK gas boiler ban 2025
Find out everything you need to know about the boiler ban being introduced in 2025 and what other heating options are available to replace your gas boiler.
Helping you achieve Net Zero
As Britain’s biggest generator of zero-carbon electricity(3) we provide several heating options to help you lower your home's carbon footprint
Waste less heat, energy and money with insulation
Save up to £530 on energy bills(4) wrapping your home with insulation, as less heat is wasted by escaping out of your home. Your new boiler will last longer too as it's not working as hard to heat your home.
Air source heat pumps - the future of heating
Consider replacing your gas boiler with a more sustainable and efficient electric air source heat pump. In addition to helping the environment, you could save up to £2,755 over 10 years(5), due to the Green Homes Grant and Renewable Heat Incentive subsidies, and lower running costs than a gas boiler.
Make your heating even smarter
Our range of smart products can help you save money without even thinking about it.
Smart radiator valves
There’s no point heating an empty room, but manual radiator valves rely on you remembering to turn them down. Let a smart radiator valve do that for you.
Smart thermostats
Our great range of smart, learning thermostats will adjust your heating automatically depending on the weather, the time of day and your settings.
Smart voice control
Control your home's heating with a smart home assistant such as Amazon Echo or Google Home, which also gives you remote control via their smartphone apps.