The short answer
An EPC rating measures a property's energy efficiency and environmental impact.
It's the standard A-to-G scale you'll see on any listing, but the number behind it has real financial consequences beyond just heating bills. That's why lenders and regulators increasingly pay attention to where a property sits on it.
Why this matters for your purchase
This is the kind of thing a PropM8 Scan is built to show you early, before solicitors, surveyors or lenders are involved, while walking away still costs nothing.