---
title: "EPC rating — Class A Atlas glossary"
description: "UK/EU Energy Performance Certificate rating, A (best) to G."
canonical: https://classa.info/glossary/epc-rating
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> UK/EU Energy Performance Certificate rating, A (best) to G.

## TL;DR

- UK/EU Energy Performance Certificate rating, A (best) to G.
- EPC is statutorily required on all UK lettings.

# EPC rating

*Certifications · UK*

## Short definition

UK/EU Energy Performance Certificate rating, A (best) to G.

## Full definition

EPC is statutorily required on all UK lettings. The 2023 MEES regulations made it unlawful to let buildings rated below E; the bar rises to C in 2027 and B in 2030. Structural risk for any landlord with sub-B [Class A](/glossary/class-a) stock.

## Why this matters for Class A leasing

EPC rating is part of the certifications vocabulary that institutional Class A occupiers, landlords, and advisers use across UK markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks the UK definition alongside the global standard so [cross-border](/topics/cross-border-expansion) occupiers can translate quickly.

## Related topics

- [**ESG / LEED for Tenants**](/topics/esg-leed-tenants) — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease.

---

Citation: Source: Class A Atlas (https://classa.info/glossary/epc-rating), updated 2026-04-01T00:00:00.000Z.