GN06 Indoor air quality plans

Latest version: v2.2, July 2025

Guidance Note 6 (GN06) provides guidance to assessors and project teams regarding the content and rigour of an Indoor Air Quality Plan (IAQP) as required by the indoor air quality criteria in BREEAM New Construction and BREEAM Refurbishment and Fit-Out.

It should not be interpreted as BREEAM criteria. It is intended to provide assessors and project teams with further, flexible information and guidance regarding the rigour, content, and tasks of an IAQP.

Download Guidance Note 6

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

16-Jul-2025 - Updated for release of v2.2