Applicable Building Type(s)

Policy Requirement Level

Policy Sequence


Development Authority: NSW government

Implementation Authority: Local councils

Verification Authority: NSW, Department of Planning

Prescriptive Compliance path

Energy Requirements:

End-uses considered:

Space cooling

Performance Compliance path

Energy Requirements:



Climate zones

HDD: Heating Degree Days

Max. temp: Average January maximum temperature

Water Vapour Pressure: Average 3pm January Water Vapour Pressure

 HDDMax. tempWater Vapour Pressure
Climate zone 1 - ≥ 30°C ≥2.1kPa
Climate zone 2 - <30°C ≥2.1kPa
Climate zone 3 - ≥ 30°C ≤2.1kPa
Climate zone 4 - ≥ 30°C ≤2.1kPa
Climate zone 5 <1000 <30°C ≤2.1kPa
Climate zone 6 1000-1999 <30°C ≤2.1kPa
Climate zone 7 2000 to Alpine <30°C ≤2.1kPa
Climate zone 8 Alpine Alpine Alpine