With the introduction of NCC 2022 (applicable from May 2023 in Victoria), all new Australian residential construction (except in NSW) are required to satisfy a minimum 7-star energy rating according to Nationwide House Energy Rating Scheme (NatHERS). This applies to:

  • Houses – Class 1a,
  • Apartments- Class 2 and,
  • Residential part of commercial buildings, Class 4 buildings.

6 star energy compliance was in effect since 2010 for almost 12 years.