Answer
What EPC do I need for a heat pump grant?
For the Boiler Upgrade Scheme you generally need a valid EPC with no outstanding recommendations for loft or cavity wall insulation — the rating band itself isn't capped.
In more detail
If your EPC flags missing insulation, do that first, then the grant becomes available.
Work it out for your home: try our free grant eligibility checker →
2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.