Heat Pump Grant Calculator: Estimate Your Subsidy
Want to know exactly what you would pay for a heat pump after grants? The answer depends on your location, property type, and circumstances. This guide provides worked examples for every scenario, or you can use our interactive calculator for a personalised estimate.
Get your personalised cost estimate in 2 minutes
Use the Free CalculatorShows costs after all available grants for your situation.
Worked Examples by Property Type
| Property | Install Cost | BUS Grant | You Pay |
|---|---|---|---|
| 2-bed terraced | £8,000 | -£7,500 | £500 |
| 3-bed semi | £11,000 | -£7,500 | £3,500 |
| 3-bed detached | £12,000 | -£7,500 | £4,500 |
| 4-bed detached | £14,000 | -£7,500 | £6,500 |
| 5-bed detached | £16,000 | -£7,500 | £8,500 |
Indicative costs for England/Wales. See full cost guide for detailed breakdowns.
Costs by Nation
Maximising Your Grant
- Check local authority top-ups to stack on the BUS grant
- In Scotland, take the full HES loan for zero upfront
- If on benefits, check ECO4 or free schemes
- Add solar panels with separate solar funding to cut running costs further
Get accurate quotes for your specific property
Get Free QuotesReal quotes show exactly what you pay after the grant.
Get your personalised estimate now
Use the CalculatorTakes 2 minutes. Shows your net cost after all available grants.
Frequently Asked Questions
How much grant can I get?
£7,500 (BUS), up to £15,000 (HES Scotland), or full cost (ECO4/Nest).
How do I calculate my net cost?
Total installation quote minus £7,500 BUS grant. E.g., £12,000 - £7,500 = £4,500.
About Heat Pump Grant Calculations
Understanding your net cost after grants is essential for making an informed decision. The BUS grant provides a flat £7,500, while Scottish funding can eliminate upfront costs entirely. Installation costs vary by property size, system type, and location. Our interactive calculator provides personalised estimates. Local authority top-ups can further reduce costs. Homeowners also adding solar panels should factor in combined grant stacking and ongoing energy savings.