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The NatHERS Existing Homes Scheme: A New Chapter for Energy Ratings

The NatHERS Existing Homes Scheme: A New Chapter for Energy Ratings

Australia’s Nationwide House Energy Rating Scheme (NatHERS) is expanding to cover existing homes, marking a major milestone in improving the energy performance of Australian residential buildings. This extension builds on the current framework used for new homes and introduces assessments tailored to the needs of older housing stock. In this post, we’ll dive into the NatHERS for existing homes scheme’s design, the role of its pilot program, mandatory disclosure, and its interaction with existing tools such as the Residential Efficiency Scorecard. We’ll also look at what’s next as the scheme moves toward full-scale rollout in 2025.

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