EPC guides

Short, plain-English answers to the questions people actually ask about Energy Performance Certificates. Written against the official rules for England and Wales and checked against the live certificate statistics on this site.

• EPC ratings explained: what bands A to G meanThe score behind the letter, band boundaries, and why most homes land on D.
• How to improve your EPC ratingThe measures that move the score, roughly what they cost, and what to do first.
• How much does an EPC cost?Typical prices, what pushes them up or down, and how to book an assessor.
• How long does an EPC last?The 10-year rule, and the situations where you need a new one sooner.
• EPC rules for landlordsThe minimum E standard, exemptions, penalties, and the proposed move to C.