Band A: you can let this today, and after 2030.
A clears the current MEES floor of band E and the band C standard that applies to private lets in England and Wales from 1 October 2030. Keep the certificate valid: you need an EPC in place whenever you market or re-let.
Band A is the top of the certificate: a SAP score of 92 or more GOV.UK SAP. Almost nothing in the existing housing stock gets there. Band A homes are usually purpose-designed: high levels of insulation, an airtight fabric, a heat pump or similar low-carbon heating, and enough solar generation to push the score past the standard new-build range.
What it takes
The certificate scores running-cost efficiency, so generation matters. A well-built new home typically lands in band B GOV.UK SAP; the step to A usually comes from photovoltaic panels plus low-carbon heating. Retrofitting an older house to A is rare enough that if you own one, the certificate itself is a selling point.
Does band A change anything legally?
No. There is no duty attached to being efficient. You clear today's band E letting floor and the band C floor arriving on 1 October 2030 Gov response Jan 2026 with the widest possible margin, and nothing about selling changes either.
| Band | SAP score | Letting today (E floor) | Letting from 1 Oct 2030 (C floor) |
|---|---|---|---|
| A | 92+ | Allowed | Allowed |
| B | 81-91 | Allowed | Allowed |
| C | 69-80 | Allowed | Allowed |
| D | 55-68 | Allowed | Works or exemption required |
| E | 39-54 | Allowed | Works or exemption required |
| F | 21-38 | Exemption required | Works or exemption required |
| G | 1-20 | Exemption required | Works or exemption required |
One band down: band B. Or go back to the full A to G scale.