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ISO/DIS 20734

Building environment design — Daylighting design procedure for indoor visual environment

General information

40.00     Oct 10, 2025

ISO

ISO/TC 205

International Standard

91.160.10  

Scope

This document explores and references the different daylight metrics used globally that could have been specifically designed to address different situations (e.g. climates, seasonal specific sunlight availability, cultural values, and seasonal weather patterns). This document also provides quality views criteria for all regularly occupied areas within a building. Finally, the design process is outlined which lists necessary actions during design, construction, commissioning, post commissioning, post occupancy evaluations, and continual improvement.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 20734
40.00 DIS registered
Oct 10, 2025