Grant UK vs Baxi - Which Heat Pump Is Better for UK Homes?
Independent head-to-head comparison. Updated April 2026.
Score breakdown
8
Efficiency (SCOP)
7.8
8.2
Reliability
7.8
9
Installation
9
9.2
After-sales support
8.8
8.5
Value for money
8.5
3
categories won by Grant UK
vs
0
categories won by Baxi
Grant UK - installed price (post-grant)
£3,800 - £8,000
After £7,500 BUS grant. Best UK support network.
BUS Grant: £7,500Baxi - installed price (post-grant)
£3,500 - £7,500
After £7,500 BUS grant. Competitive UK pricing.
BUS Grant: £7,500Which wins for...
Maximum efficiency
G
Grant UK
Higher SCOP rating (8/10)
Best value for money
G
Grant UK
Better value score (8.5/10) and typically lower installed cost
Long-term reliability
G
Grant UK
Higher reliability score (8.2/10)
Easiest installation
G
Grant UK
Better installer compatibility score (9/10)
After-sales support
G
Grant UK
Stronger UK support network (9.2/10)
G
Our verdict
Grant UK wins overall
Grant UK scores 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 alternative criteria.
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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.