The Worcester Bosch
Greenstar 4000.
A 24kW system boiler from Worcester Bosch — installed in a single day by Gas Safe registered engineers.
Built for real homes.
Not showrooms.
The Worcester Bosch Greenstar 4000 24kW is designed to work quietly, efficiently, and reliably — for years to come.
- Quiet Operation
- 24kW heat output — System boiler
- 24kW central heating output
- 8 year manufacturer warranty
- 94% ErP efficiency rating
One price.
Everything covered.
No surprise add-ons. Your quote covers everything needed for a complete installation that meets all gas safety regulations, carried out by Gas Safe registered engineers.
Price and installation time varies depending on your installation requirements. Answer a few quick questions to get your exact fixed price.
Get your free quoteThe numbers
that matter.
Worcester Bosch Greenstar 4000 24kW
The Worcester Bosch Greenstar 4000 24kW is the highest output model in the Greenstar 4000 system range, combining dependable heating performance with modern controls and exceptionally quiet operation. Its full-colour display and contemporary design give it a noticeably more premium feel than older generation system boilers.
Quiet Mark approval, Bosch EasyControl compatibility and warranties of up to 10 years make the Greenstar 4000 24kW a standout model in the range.
Don't let cost get
in the way of warmth.
Spread the cost of your new boiler over monthly payments that fit your budget. Available through iDeal4Finance — apply in minutes.
Learn about finance