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NatHERS Blog

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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Top 3 challenges for NatHERS assessors in 2023

What challenges and opportunities are NatHERS assessors facing in 2023? In a recent survey, we asked NatHERS assessors and employers for their views on everything from to how much they charge clients to major issues facing the industry, including challenges they are...

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Dodgy Stamps and off-record energy ratings

Dodgy Stamps and off-record energy ratings

A disturbing trend that I have recently observed (at least in WA) has been an increasing number of dodgy stamps and “off-record” energy ratings being used to demonstrate energy efficiency compliance under the National Construction Code. Here’s one that was sent to me...

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