UK Energy Performance Certificates (EPCs) explained
Plain-English research on what EPC ratings mean, how to check yours, and how to improve from E to C or D to C. With the real numbers from gov.uk and Energy Saving Trust.
Cited sources
gov.uk EPC register, Energy Saving Trust guidance, Department for Energy Security and Net Zero regulations
EPC guides by topic
EPC basics
What EPC ratings mean, how the A-G scale works, and what assessors check
Rating explained
Understanding each rating band (B, C, D, E, F) and how to check your EPC online
Improve your rating
How to move from D to C, E to C, or F to E—with real improvement costs
Landlords & EPCs
Minimum E rating requirement, exemptions, and penalties for non-compliance
Featured guide
What is an EPC rating?
Energy Performance Certificates (EPCs) rate how energy efficient your property is on a scale from A (most efficient) to G (least efficient). Every home in England and Wales that's sold or rented needs one. Here's what the ratings mean, how long they last, and what assessors measure.
Read the guideQuick EPC facts
- EPC validity
- 10 years (from date of assessment)
- Rental minimum
- E rating or above (England & Wales, since 2020)
- Most common rating
- D rating (~40% of UK homes)
- Assessment cost
- £60–£120 (varies by property size)
- Check your EPC
- gov.uk EPC register