The new National Construction Code (NCC) 2019 has been rolled out since 1 May 2019. However, the old NCC 2016 may be used during the energy efficiency transition period to 30 April 2020. Click here to access the latest NCC (2019). https://ncc.abcb.gov.au/ncc-online/NCC
NCC 2019
Building Thermal Rating Assessors 