Gaff Guide

EPC checker

Check any UK home's energy performance certificate for free. Search a postcode, pick the exact address, and GaffGuide shows the EPC band, the certified floor area measured on site by an accredited assessor, and an estimated value for the home — all from the official Energy Performance of Buildings register.

Check a home's EPC rating

Enter any UK postcode — no sign-up, no payment.

Check an EPC rating

What the EPC bands mean

  • A92–100 — most efficient
  • B81–91
  • C69–80
  • D55–68
  • E39–54
  • F21–38
  • G1–20 — least efficient

The band comes from the certificate's energy efficiency score out of 100. A higher band usually means lower running costs.

What's on an EPC

  • The current energy band and score, and the potential band after improvements.
  • The total floor area in square metres, measured on site — the same figure GaffGuide uses to work out price per square metre.
  • The property type, and the date the certificate was lodged.

Why a home might not appear

A certificate is only required when a home is built, sold or rented, and each one lasts ten years. Homes without a recent transaction may have no certificate on record, so they won't show in the list. Scotland keeps its own separate register.

Keep exploring

Data from the Energy Performance of Buildings register (MHCLG).