NSW Part 3.12.1 Building Fabric Thermal Insulation
NSW 3.12.1 Application of NSW Part 3.12.1
only applies to thermal insulation in a Class 1 or 10 building where a development consent specifies that the insulation is to be provided as part of the development.
In (b), the term development consent has the meaning given by the Environmental Planning and Assessment Act 1979.
NSW 126.96.36.199 Compliance with BCA provisions
Thermal insulation in a building must comply with the national BCA provisions of .
A thermal break must be provided between the external cladding and framing in accordance with national BCA provisions of—
for a metal framed roof; and
for a metal framed wall.
Compensation for reduction in ceiling insulation must comply with the national BCA provisions of 188.8.131.52(e).