First, we looked at official dwelling approval data. We then examined certificates issued under the Nationwide House Energy Rating Scheme or NatHERS. This gave us the thermal performance star-ratings of the new homes, their energy efficiency for heating and cooling and their conditioned floor areas – that is, floor areas typically heated and cooled, excluding spaces such as laundries and garages.
This year’s roster for the 2023 Sustainability Summit will see a suite of well-versed architectural professionals descending upon Sydney’s Allianz Stadium on the morning of 9 November in the lead up to the Sustainability Awards.