---
title: "BREEAM — Class A Atlas glossary"
description: "UK and global environmental rating system from BRE Group."
canonical: https://classa.info/glossary/breeam
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> UK and global environmental rating system from BRE Group.

## TL;DR

- UK and global environmental rating system from BRE Group.
- Building Research Establishment Environmental Assessment Method — tiers Pass, Good, Very Good, Excellent, Outstanding.

# BREEAM

*ESG · UK, EU*

## Short definition

UK and global environmental rating system from BRE Group.

## Full definition

Building Research Establishment Environmental Assessment Method — tiers Pass, Good, Very Good, Excellent, Outstanding. Trophy benchmark is Excellent or Outstanding. The dominant rating system in the UK and widely used across continental Europe.

## Example

22 Bishopsgate is [leed](/glossary/leed)-tenants">BREEAM Excellent; 8 Bishopsgate is [BREEAM Outstanding](/glossary/breeam-outstanding).

## Why this matters for Class A leasing

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

## See also

- [LEED](/glossary/leed)
- [WELL certification](/glossary/well-certification)
- [NABERS](/glossary/nabers)

## Related guides

- [LEED, BREEAM, NABERS: what tenants actually need to know](/guides/esg-leed-breeam-for-tenants)

---

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