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Worcester Bosch Greenstar 12ri 2/3 – IFC

Worcester Bosch 12ri

SKU: 10-106-13-03

£3,216.00

MSRP:

Starting from £3,216.00
Instant Advice Options
What's Included
A compact regular boiler from the award-winning Worcester Bosch, perfect for small homes. Kitchen-cupboard ready, it offers A-rated efficiency to lower bills and is backed by a 10-year guarantee. Reliable, efficient, and built for comfort!
  • With an ERP rating of A and efficiency of 92%
  • Central heating output of 12kW
  • 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

The Worcester Bosch Greenstar 12Ri is a compact and reliable heat-only boiler, ideal for small homes or apartments with a traditional heating and hot water system, including a hot water cylinder. Built with Worcester Bosch’s renowned engineering quality, it provides consistent heating performance and energy efficiency, helping homeowners reduce energy use without compromising comfort.

Backed by a 10-year parts and labour guarantee, the Greenstar 12Ri delivers long-term reassurance and durability. Its compact design makes it perfect for installation in tight spaces such as kitchen cupboards or utility areas. At the same time, its Quiet Mark certification ensures it runs smoothly and quietly in the background.

Recognised as one of the most reliable and efficient boilers in its class, the Worcester Bosch 12Ri is a popular choice for homeowners looking for trusted performance, energy savings, and dependable comfort. If you’re after a space-saving, efficient, and long-lasting heating solution, the Greenstar 12Ri is a fantastic option.

We offer fast and reliable boiler installations within 48 hours.

We cover every UK postcode.

Trustpilot
kW Output
12 KW
ERP Rating
A Rated
Energy Efficiency
92 %
Dimensions
Height 600mm
Width 390mm
Depth 270mm
10 year guarantee
Reconnect existing controls
Manufactured in the UK
Which? Best Buy Product
Fits in a standard kitchen cupboard
Simple boiler control knob
Suitable for homes where the heating system includes a hot water storage cylinder
Frost protection is also included, reducing frost risk if installed in a garage or loft
Worcester Bosch boilers rated 4.7 on Trustpilot
Rewire Current Thermostat
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
Re-wire of existing controls
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
£3,216.00 inc.VAT Fixed Quote