National Construction Code 2025 (Version 1.2)

Brief description

The National Construction Code is Australia’s primary set of technical design and construction provisions for buildings. As a performance-based code, it sets the minimum required level for the safety, health, amenity, accessibility and sustainability of certain buildings. The Australian Building Codes Board, on behalf of the Australian Government and each State and Territory government, produces and maintains the National Construction Code.

Release Date: 2026-06-18

Overview - This release focuses on improving the usability and accuracy of the NCC TPP XML dataset.

Key Changes
1.\tMathML Fixes - B1V1(5)(b) and J6D5(3)(a) updated to use correct rather than substitute symbols
2.\tErrata Fixes - Applied further corrections to identified inconsistencies in structure and formatting

Full description

NCC 2025 Volume One - Machine-readable XML data for NCC 2025 Volume One (Building Code of Australia, Class 2 to 9 buildings)
NCC 2025 Volume Two - Machine-readable XML data for NCC 2025 Volume Two (Building Code of Australia, Class 1 and 10 buildings)
NCC 2025 Volume Three - Machine-readable XML data for NCC 2025 Volume Three (Plumbing Code of Australia, plumbing and drainage systems)
NCC 2025 Housing Provisions - Machine-readable XML data for the NCC 2025 ABCB Housing Provisions (technical requirements for Class 1 and 10 buildings)
NCC 2025 Livable Housing Design Standard - Machine-readable XML data for the NCC 2025 ABCB Standard for Livable Housing Design (minimum accessibility requirements for housing)
NCC 2025 Schema -