GN50 Natural light calculation methodology for Hea 01 in BREEAM V7

Created: 01st Aug 2024
Reference: KBCN1683

Latest version: v0.0, July 2024

Guidance Note 50 describes the calculation methodologies that underpin the natural light issue (Hea 01) within BREEAM New Construction Version 7 (UK and International). Guidance is provided for methodologies relating to the daylight criteria and the evaluation of glare from daylight criteria. All the calculation methods outlined in the technical manual for these criteria are described in this guidance note.

Download Guidance Note 50

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