New NCC Changes – effective from 1st May 2023

Changes are coming to the National Construction Code (NCC). Starting May 1, 2023, there will be a broad range of updates to the NCC that will impact the design and construction of Second Storey Additions, Ground Floor Extension and Large Scale Renovations.

These changes are essential for ensuring that Second Storey Additions, Ground Floor Extension and Large Scale Renovations are built to the highest standards of safety, livability, and efficiency.

So, what do you need to know about the NCC changes?

The changes are being implemented in two stages, with the first stage beginning on May 1, 2023. The second stage will begin on October 1, 2023, and will include further reforms relating to livable housing, energy efficiency, and condensation management.

Some of the key changes in stage one that affect Second Storey Additions, Ground Floor Extension and Large Scale Renovations include updates to the following:

• Internal and external waterproofing
• Falls to floor wastes
• Cladding and gutters and downpipes
• Corrosion protection for steel framing
• Sanitary plumbing and drainage
• Timber framing, bracing and connections of balconies to external walls

NCC 2022 will apply to Second Storey Additions, Ground Floor Extension and Large Scale Renovations where construction approval applications are submitted from May 1, 2023, though how this applies can vary from state to state.