GN20 Assessing mixed-use and multiple buildings – BREEAM V7

Latest version: v1.0, January 2026

Guidance Note 20 (GN20) provides information to help BREEAM Assessors formulate an assessment strategy for mixed-use developments, assets that include different levels of fit out, and for multiple buildings or units on the same site using BREEAM V7.

This guidance note only applies to BREEAM V7. There is a separate guidance note for earlier versions of BREEAM NC and RFO (see Guidance Note 10).

Download Guidance Note 20

View all Guidance Notes on BREEAM Projects (licensed assessors only)

29-Jan-2026 - Updated for release of GN20 1.0