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Worcester Bosch Greenstar 4000 25kW Combi Boiler – IFC

Worcester Bosch 4000 25kw

SKU: 10-106-01

£2,580.00 £2,480.00

MSRP:

Starting from £2,480.00
Instant Advice Options
What's Included
A Which? Best Buy boiler, perfect for small to medium homes. Enjoy a 10-year guarantee on parts and labour, plus the manufacturer’s superb aftercare service for total peace of mind. Reliable, efficient, and built to last!
  • Hot water flow rate of 9l/pm
  • With an ERP rating of A and efficiency of 94%
  • Central heating output of 25kW
  • Worcester Bosch boilers rated 4.7 on Trustpilot
  • WarmZilla is a trusted Worcester Bosch Installer
GET QUOTE

We offer fast and reliable boiler installations within 48 hours.

Every one of our engineers are Gas-Safe Registered.

We cover every UK postcode.

Rated Excellent on Trustpilot.

Don't Just Take Our Word For It: See Why UK Homeowners Trust WarmZilla!

Partner of CompareTheMarket & MoneySuperMarket

Trust Pilot Star

Rated Excellent on Truspilot

Trusted Partner of Checkatrade

Why Choose Me? The Worcester Bosch Greenstar 4000 is the perfect choice for small to medium homes, offering efficiency, smart control, and quiet operation. Its wide power range reduces gas consumption, helping lower energy bills, while the Quick Tap function minimises water waste by providing instant hot water. Designed to work in some low-pressure situations, it ensures powerful, warm showers even when water pressure isn’t ideal. The modern, sleek design features an easy-to-use colour display, and with one of the quietest operations in its class, it won’t disrupt your home. Upgrade today and enjoy a smarter, more efficient home heating solution!

We offer fast and reliable boiler installations within 48 hours.

We cover every UK postcode.

Trustpilot
kW Output
25 KW
Hot water flow rate
9 l/pm
ERP Rating
A Rated
Energy Efficiency
94 %
Dimensions
Height 710mm
Width 400mm
Depth 310mm
10 year guarantee
Manufactured in the UK
FREE Wireless Controls
High performance, control and efficiency
Precision heating to reduce your fuel bills
Perfect for small to medium sized homes with one bathroom
Bosch engineered quality at an affordable price
Worcester Bosch boilers rated 4.7 on Trustpilot
Wireless Thermostat Included
Installation by a local Gas Safe Engineer (arriving between 8-11am)
Removal of existing system (inclusive of tanks if applicable)
Removal of installation rubbish off site including boiler
Boiler flue installation
Magnetic filter for ongoing protection
System cleanse of your heating system
Inhibitor and System cleaner for protection
Condensate pipework or upgrade (if applicable)
Gas pipe upgrade (if required)
Copper and fittings pack with pipe work installation
Electrical connections including thermostat (if applicable)
CO Alarm included
Delivery of package via courier or your local engineer
12-month WarmZilla workmanship warranty
Registration of warranty and Building Control Certificate by WarmZilla
Warranty includes parts and labour free via the manufacturer
Full protection of property, surfaces, and workspace throughout installation
Handover of your new boiler, including control panel and pressure top-up guide
Removal of redundant pipework and accessories (where necessary)
Removal of any old or unused controls (if applicable)
Sealing of external flue and condensate pipework to the building fabric
Making good of any brickwork around the flue exit
Commissioning of your new boiler for full operation
Balancing of your heating system (if required)
Final tidy-up and removal of all protective coverings
£2,480.00 inc.VAT Fixed Quote