The NCC 2025 will be published by 1 February 2026.
All States and territories can consider adoption from 1 May 2026 and the adoption of NCC 2025 is a matter for each jurisdiction.
For example, Tasmania noted it has paused implementation of NCC 2025 measures.
For more information, there's a Building Ministers’ Meeting: Communiqué October 2025 online: Building Ministers’ Meeting: Communiqué October 2025 | Treasury.gov.au