New BASIX Energy Efficiency Standards Explained: What Homeowners Need to Know?

Eco Certificates11 Feb, 2026Real Estate

The BASIX certificate has become a core approval document in NSW. Councils check it closely during the DA and CC stages. Builders and designers also rely on it to avoid redesign delays. Under the new BASIX energy efficiency standards, performance thresholds are higher. This way, designs that once passed may now fall short. The BASIX 7-star requirement in NSW pushes homes toward better thermal outcomes.