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 Property Intelligence Report is built to surface early, before solicitors, surveyors or lenders are involved, while it still costs nothing to walk away.