Worcester Bosch Greenstar 27Ri Compact LPG Regular Boiler
The Worcester Bosch Greenstar 27Ri Compact LPG Regular Boiler is a highly efficient and space-saving heating solution designed for larger homes that rely on liquefied petroleum gas (LPG). Part of Worcester Bosch’s best-selling Greenstar Ri range, this compact boiler combines reliable performance with modern efficiency, all within a sleek, cupboard-fit design.
With an ErP A-rating and a 92% efficiency, the Greenstar 27Ri helps reduce energy consumption and keeps heating costs low, while still delivering powerful performance for homes with 15–20 radiators. Its compact size and wall-mounted installation make it ideal for properties where space is limited, yet demand for heating is high.
Compact, Efficient and LPG Ready
The Greenstar 27Ri LPG is one of Worcester Bosch’s smallest condensing boilers, making it perfect for discreet installation in tight spaces such as a standard kitchen cupboard. Despite its size, this boiler delivers an impressive 27kW output, providing consistent heat and hot water to meet the demands of larger households.
The boiler’s LPG compatibility makes it a great choice for off-grid homes that aren’t connected to the mains gas supply. Its robust, wall-mounted design also ensures long-term reliability and durability, maintaining Worcester Bosch’s reputation for quality engineering.
Simple Controls and Smart Compatibility
Featuring easy-to-use control knobs and a clear display, the Greenstar 27Ri keeps boiler operation straightforward for every homeowner. It’s also compatible with a wide range of optional Worcester Bosch controls, allowing you to tailor your heating system for greater efficiency and comfort.
You can even connect this model with Worcester Greenskies solar panels and Greenstore cylinders, offering an integrated energy-saving solution that’s perfect for environmentally conscious households.
Energy Efficiency That Saves You Money
With its 92% efficiency rating, this A-rated boiler maximises energy output while minimising waste, helping you lower fuel consumption and reduce emissions. When installed by a Worcester Bosch Accredited Installer, the boiler comes with a standard 5-year warranty, which can be extended to 10 years for added peace of mind — ensuring years of reliable performance and savings.
Technical Specifications
Specification Details
Brand Worcester Bosch
Model Greenstar 27Ri Compact LPG
Boiler Type Regular (Heat Only)
Fuel Type LPG
Mounting Type Wall-mounted
Output 27kW
Efficiency 92%
ErP Rating A
Condensing Yes
Dimensions (HxWxD) 600 x 390 x 270mm
Weight 22.7kg
Flow Rate N/A
Standard Warranty Up to 10 years (when installed by a Worcester Accredited Installer)
Installation Location Internal
Compatible Accessories Greenskies solar panels, Greenstore cylinders
Why Choose the Worcester Bosch Greenstar 27Ri LPG Regular Boiler?
If you’re looking for a compact yet powerful boiler that’s built to last, the Worcester Bosch Greenstar 27Ri LPG Regular Boiler delivers on all fronts. It’s efficient, reliable, and flexible enough to integrate with solar and smart control systems, making it an excellent choice for off-grid homes that want dependable performance and long-term savings.
Frequently Asked Questions
1. Is the Worcester Greenstar 27Ri suitable for off-grid homes?
Yes — this model is fully LPG compatible, making it perfect for homes that aren’t connected to the mains gas network but still require efficient, high-quality heating.
2. Can this boiler fit inside a kitchen cupboard?
Absolutely. The Greenstar 27Ri is one of Worcester Bosch’s most compact boilers, measuring only 600 x 390 x 270mm, making it ideal for installation in standard kitchen units or small utility spaces.
3. What warranty does the Greenstar 27Ri come with?
This boiler includes a standard 5-year warranty, which can be extended up to 10 years when installed by a Worcester Bosch Accredited Installer, giving you long-term peace of mind.
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