Commonly used rating tools

The most commonly used rating tools in the commercial arena in Australia are:

  • the National Australian Built Environment Rating System (NABERS) which is managed nationally by the Office of Environment and Heritage (OEH) (a division of the NSW Department of Premier and Cabinet) on behalf of the Australian, state and territory governments. NABERS measures an existing building's environmental performance during operation; and
  • Green Star, which is operated by the Green Building Council of Australia (GBCA), and adopts a more holistic assessment of a building's impact on the environment.

In February 2010, the GBCA, the Commonwealth Department of the Environment, Water, Heritage and the Arts and the NSW Department of Environment, Climate Change and Water (OEH's predecessor) signed a memorandum of understanding to deliver a more consistent and compatible approach to building rating. The parties have committed to developing a common language for the NABERS and Green Star rating tools and the metrics that underpin them. This is intended to deliver greater compatibility between the assessment of building attributes covered by Green Star and performance of key impact areas such as energy, water and waste, which can also be assessed by NABERS.

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