New Zealand Building Code G7/AS1 Natural Light

The New Zealand Building Code G7/AS1 document provides the official Acceptable Solution for natural light requirements in simple buildings. This regulatory document outlines the mandatory requirements and acceptable methods for achieving sufficient natural light in simple buildings up to three storeys in height. It explicitly excludes structures relying on borrowed daylight, focusing instead on direct glazing ratios and window placement to ensure adequate illumination levels for occupants. The text provides technical specifications, calculation methodologies, and design criteria that must be satisfied to meet the G7 performance requirements. As an official compliance publication, it serves as the definitive reference for architects and engineers working within the New Zealand regulatory framework for residential construction projects.

The download is a 1.1 MB file containing .PDF files.

Professionals integrate this document into their project workflow during the design development and building consent phases. Architects and designers reference the specific glazing requirements to verify compliance with natural light performance criteria early in the schematic design process. The document is typically consulted alongside architectural plans to ensure window-to-floor area ratios meet the prescribed thresholds. By adhering to these Acceptable Solution guidelines, practitioners streamline the building consent application process, ensuring that proposed designs satisfy the necessary statutory requirements for healthy and functional living environments.