2025 National Construction Code (NCC) - Volume One Building Code Of Australia

The National Construction Code (NCC) establishes the minimum requirements for the design and construction of buildings across Australia, including plumbing and drainage work. It sets nationally consistent standards for safety, health, amenity, accessibility, and sustainability.

Volume One provides the technical requirements for Class 1 and to Class 9 buildings, including:

• Apartments and multi-residential buildings 
• Offices and retail spaces 
• Hospitals and healthcare facilities 
• Schools and educational buildings 
• Public and commercial buildings

This essential industry reference helps professionals ensure regulatory compliance, performance, and safety in complex construction projects.

Key Updates in NCC 2025

Water Management

Enhanced provisions for residential buildings aimed at reducing water ingress and moisture-related defects.

Condensation Mitigation

Improved requirements for managing condensation risks within roof spaces and building envelopes.

Energy Efficiency

Updated energy efficiency provisions supporting Australia’s net-zero objectives and improved residential performance standards.

Structural Reliability & Fire Safety Performance Solutions

• New provisions addressing:
• Structural reliability requirements
• Fire safety assessment methodologies 
• Transition arrangements

Accessibility & Amenity

Refinements to livable housing, sanitary facilities, and amenity requirements across applicable building classifications.

Why Choose NCC 2025?

Adopting the NCC 2025 helps ensure projects remain compliant, resilient, and future-ready under Australia’s evolving construction standards.

Benefits of NCC 2025

• Ensure compliance with Australian building regulations
• Essential for commercial and large-scale construction projects
• Minimise risk, delays, and costly non-compliance issues
• Valuable for licensing exams, certifications, and professional development 
• Stay current with the latest NCC 2025 changes

Who Needs NCC 2025?

• Builders & Contractors
• Architects & Designers
• Building Surveyors & Certifiers
• Engineers
• Trades and Supervisors
• Product Manufacturers
• Educators & Students
• Anyone involved in the Building and Construction Industry