Most Read Contributor in Australia, September 2016
The National Australian Built Environment Rating Scheme
(NABERS) has now announced a new energy and water
6 star rating designating market leadership. This will lead
to a new holy grail of 6 star Green Star As Built and 6 star
NABERS, that could surpass the milestone recently achieved by
Santos House (being 6 star Green Star As Built and 5 star
When combined with the recently released IPD Green Property
Investment Survey, which showed buildings with 4 star or above
ratings returned 32% better than lower rated buildings, and the
mandatory disclosure scheme, the green ratings war will become even
fiercer. A 6 star building represents a 50% reduction in
greenhouse gas emissions and water use from a 5 star building.
Ratings on the up
The existing ratings up to 5 stars do not change with
introduction of the new ratings. However, by moving beyond the 5
star rating of "excellent", new buildings or existing
buildings which are already operating above and beyond, the
requirements for a 5 star rating will now have the opportunity to
be recognised for this market-leading achievement. Buildings
already performing at a 5.5 star or 6 star level will be issued
with new certificates.
New Rating Scale
What is changing and when?
The 6 star rating is available for offices, hotels and shopping
It is proposed that the rating tools for homes, waste and indoor
environment will be similarly extended by mid 2012.
What is needed to achieve 6 stars?
From a technical perspective, no climate correction will be
applied and a 50% reduction in greenhouse gas emissions from
the 5 star benchmark is required to be awarded a 6 star rating, or
a 25% reduction to achieve a 5.5 star rating. For further technical
information, click here..
What does this mean for you?
In an ever changing and competitive construction industry, the
revision of the NABERS energy and water tools highlights the need
to continually strive to stay abreast of evolving industry drivers,
such as environmental initiatives, to remain a star performer by
being innovative and quality driven.
It is essential that your contract framework reflects the rating
to be achieved and adequately protects you and facilitates the
attachment of the rating.
The content of this article is intended to provide a general
guide to the subject matter. Specialist advice should be sought
about your specific circumstances.
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