GN18 BREEAM Recognised Responsible Sourcing Certification Schemes and BREEAM Scheme Applicability - KBCN0723
Latest version: v3.7, May 2023
BREEAM awards credits for responsibly sourcing construction products (typically under the Mat 03 issue) to encourage responsible product specification and procurement in construction. To achieve these credits, applicable specified products (as listed in the relevant technical manual) must be covered by an Environmental Management System (EMS) or a responsible sourcing certification scheme (RSCS) recognised by BREEAM.
Guidance Note 18 (GN18) lists the responsible sourcing certifications schemes recognised by BREEAM along with the relevant summary scores to be used in BREEAM assessments.
Download Guidance Note 18
Download Guidance Note 18 v2.0 (optional for projects registered prior to release of v3.0 in September 2016)
View all Guidance Notes on BREEAM Projects (licensed assessors only)
GN24 Demonstrating compliance with Mat 03 in BREEAM - KBCN0721
Latest version: v1.2, July 2026
Guidance Note 24 (GN24) provides additional guidance to assessors and specifiers on demonstrating compliance with the 'Measuring responsible sourcing' criteria in BREEAM (typically in Mat 03). It should be read in conjunction with the Technical Manual for the relevant assessment scheme. It covers:
- How to deal with constituent products/materials including those with certification that is different from the overall product.
- The precision required in estimating quantities:
- For the cut-off volume
- Of products/materials in the building (Route 2 only)
- Of different material categories in products/materials.
- An example Route 2 calculation.
- ‘Broken chain’ situations.
- How to treat building services.
Download Guidance Note 24
View all Guidance Notes on BREEAM Projects (licensed assessors only)
15-Jul-2026 - Updated version released (v1.2)
Information correct as of 28