Worcester Bosch vs Baxi - Which Heat Pump Is Better for UK Homes?

Independent head-to-head comparison. Updated April 2026.

WB
Worcester Bosch
The UK's favourite boiler brand enters heat pumps
7.8/10
Overall winner
Bx
Baxi
British brand with the UK's widest engineer network
7.7/10

Score breakdown

7.8
Efficiency (SCOP)
7.8
8
Reliability
7.8
9.5
Installation
9
9
After-sales support
8.8
8.3
Value for money
8.5
3
categories won by Worcester Bosch
vs
1
categories won by Baxi
Worcester Bosch - installed price (post-grant)
£3,500 - £8,000
After £7,500 BUS grant. Widest installer network in UK.
BUS Grant: £7,500
Baxi - installed price (post-grant)
£3,500 - £7,500
After £7,500 BUS grant. Competitive UK pricing.
BUS Grant: £7,500

Which wins for...

Maximum efficiency
WB
Worcester Bosch
Higher SCOP rating (7.8/10)
Best value for money
Bx
Baxi
Better value score (8.5/10) and typically lower installed cost
Long-term reliability
WB
Worcester Bosch
Higher reliability score (8/10)
Easiest installation
WB
Worcester Bosch
Better installer compatibility score (9.5/10)
After-sales support
WB
Worcester Bosch
Stronger UK support network (9/10)
WB
Our verdict

Worcester Bosch wins overall

Worcester Bosch scores 7.8/10 overall - higher than Baxi (7.7/10). However, the best choice depends on your specific priorities. Baxi may be a better fit if you prioritise value for money.

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Important disclaimer

www.heatpumpcompared.co.uk is editorially independent and not affiliated with any heat pump manufacturer or installer. We do not provide heating advice. Prices, specifications, SCOP ratings and grant amounts are correct as of April 2026 but are subject to change. Always commission a professional heat loss survey before purchasing a heat pump system.