The National Construction Code (NCC) 2025, Volume Three – Plumbing Code of Australia, developed by the Australian Building Codes Board (ABCB), establishes technical requirements for plumbing and drainage systems in Australia. It covers water supply, sanitary plumbing, wastewater disposal, stormwater drainage, and plumbing system safety and performance.
NCC 2025 Volume Three – Plumbing Code of Australia provides national technical provisions and performance requirements for the design, installation, and maintenance of plumbing and drainage systems. Key topics include: - Water supply and distribution systems - Sanitary plumbing and drainage - Stormwater drainage systems - Heated water services - On-site wastewater management - Plumbing materials and installation requirements - Health, safety, and environmental protection - Performance requirements and compliance pathways - Referenced Australian Standards This code serves as a technical reference for plumbing engineers, hydraulic designers, civil engineers, building certifiers, and construction professionals involved in Australian plumbing and drainage compliance.
