Sustainability & Energy Efficiency

Energy performance and all-electric building for Melbourne homes. These guides cover what the 7-star NatHERS minimum asks of a design, how Victoria's move away from gas changes a new build and how passive design does the work before any appliance gets switched on.

A room in a new home under construction, with insulation batts fitted between the timber wall studs, part of the plasterboard lining installed and a large black-framed sliding window in place above a bare concrete slab

Sustainability & Energy Efficiency7 September 2026

7-Star NatHERS Ratings: What Victoria Requires of a New Home

Victoria requires every new home to reach a minimum 7-star NatHERS rating before a registered building surveyor will issue a building permit.

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