Complete price that includes installation and up to 10 year guarantee available
Awarded Which? Best Buys for Worcester Bosch gas boilers
We can install from as little as 48 hours.2
Pay with interest-free finance
Our award-winning recommended Worcester Bosch boiler
Our most popular boiler, the Worcester Bosch Greenstar 4000 combi is a leading Which? Best Buy boiler and is perfect for small to medium-sized homes.
The Worcester Bosch Greenstar 4000 comes with:
- Easy to adjust settings for both heating and hot water
- Hot water heated on demand for when you need it most
- Fills a standard kitchen sink in under a minute
- Clear error codes for quick boiler diagnostics
- User-friendly controls and clear information display
- A condensate pipe that is freeze resistant up to -15C
- Up to a ten-year warranty
Best of all the Greenstar 4000 is the successor to our most popular combi boiler and is a Which? recommended Best Buy winner.
Buy a new boiler in four easy steps
Find your perfect boiler
Book an installation
Get your boiler installed by a Which? Trusted Trader
We’ll provide post-installation support
Save up to £580 a year
Discover our range of A-rated boilers which can help you reduce your energy wastage and monthly fuel costs. With market-leading models from Ideal and Worcester Bosch, you could save up to £580 each year on heating bills, with a greener and cleaner way to heat your home.3
Get an online quote in just a few clicks.
Discover our range of A-rated boilers which can help you reduce your energy wastage and monthly fuel costs. With market-leading models from Ideal and Worcester Bosch, you could save up to £580 each year on heating bills, with a greener and cleaner way to heat your home.3
Get an online quote in just a few clicks.