Building Sustainability Index (BASIX) 2007

Last updated: 5 November 2017

Development Authority: NSW government
Implementation Authority: Local councils
Verification Authority: NSW, Department of Planning

Prescriptive Compliance path

End-uses considered:
Space cooling



Climate zones

HDD: Heating Degree Days
Max. temp: Average January maximum temperature
Water Vapour Pressure: Average 3pm January Water Vapour Pressure

Max. temp
Water Vapour Pressure
Climate zone 1
‰¥ 30 °C
Climate zone 2

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End uses covered
  • Building end-uses
  • Building systems
  • Space cooling