You are in the information portal of Green Building Council of Australia website.

Green Star FAQs

HOT TIP Save time by searching for an answer before contacting the GBCA.
How can we help?

Reset Search Filter Options
Recently published FAQs. Displaying 5 results.

F-00214 - Can my Interiors project target 23.1 Base Building Sustainability using the base building's NABERS IE Rating?
Yes. Interiors projects may target 1 point under 23.1.3 Base Building Sustainability - NABERS Rating by demonstrating that the base building has achieved a NABERS IE Rating of at least 4.5 stars.  Documentation Requirements: Please provide the following in your submission: Evidence to demonstrate that the base building has achieved a NABERS IE Rating of 4.5 stars.  Please include a copy of this FAQ in your...
Published on Fri, 9 Jul 2021
F-00217 - How does the v1.3 Greenhouse Gas Emissions Calculator calculate points for 'Off-site Renewables'?
The 'Points achieved through Off-Site Renewables' in the v1.3 Greenhouse Gas Emissions Calculator are calculated by providing 1.5 points for each point awarded for greenhouse gas emissions beyond the Conditional Requirement.    For example (using the Green Star - Design & As Built v1.3 submission guidelines):  6.2 points are awarded for a 30% reduction in greenhouse gas emissions 2 of these 6.2 points are...
Published on Wed, 7 Jul 2021
F-00219 - Can the stratospheric ozone depletion potential impact category now be excluded from the Life Cycle Assessment credit?
Yes. The GBCA notes that the stratospheric ozone depletion potential (ODP) of many materials has decreased in response to the Montreal Protocol. As a result, the capacity to demonstrate improvement in this category has substantially decreased, impacting the total points achievable in the  Life Cycle Assessment credit.  The GBCA allows project teams to now exclude the ODP impact category from the...
Published on Mon, 28 Jun 2021
F-00213 - Is there another compliance pathway for 12.2 Visual Comfort - Views not involving hand calculations?
Yes, projects may target one (1) point for Visual Comfort - Views from relevant Green Star rating tools by using the following alternate compliance criteria:  60% of the nominated area must demonstrate that a View Rating of 3 or greater is achieved. The View Rating may be found using the below methodology summarised from Windows and Offices: A Study of Office Worker Performance...
Published on Mon, 28 Jun 2021
F-00212 - Is it a requirement to justify the detailing & joints between partitions & ceilings in criterion 9.1of Interiors v1.2/3?
No. The following compliance requirement may be withdrawn from credit criterion 9.1 Internal Noise Levels in Green Star- Interiors v1.2 and v1.3 as it is noted that the intended performance outcome is demonstrated through onsite measurement and verification of the actual noise transfer in decibels (dB): The acoustic consultant or member of commissioning team conducting the measurements must justify the detailing of...
Published on Mon, 28 Jun 2021

These FAQs are:

  • provided as additional technical assistance for Green Star users.
  • optional and free to use on Green Star projects.

When used on Green Star projects, make sure to:
  • state the FAQ number on the Submission Template.
  • click on "Download" to save the FAQ.
  • include the PDF in the submission.

The GBCA reserves the right to add or remove FAQ at our discretion.

Can't find the answer? Submit a question: