2 min read

How Long Does A BASIX Report Take?

By Jamie Bonnefin on Jul 23, 2025 3:15:57 PM

Understanding the timeframe for a BASIX report is crucial for staying on track with your construction project in NSW. Learn about the typical turnaround times, potential delays, and tips to expedite the process.

How long does it take to get a BASIX report?

For typical residential and dual occupancy projects in NSW, a BASIX (Building Sustainability Index) report generally takes between 5 to 10 business days to complete. This timeframe can vary depending on the complexity of the project and the current workload of the certifying organisation. For straightforward projects with all necessary documentation provided, the turnaround can be on the shorter end of this range.

However, it's important to note that more complex projects or those requiring additional data and calculations might extend this timeframe. To ensure your project stays on schedule, it's advisable to plan for the upper end of this range and allow for potential unforeseen delays.

What factors affect the BASIX report turnaround time?

Several factors can influence the time it takes to obtain a BASIX report. Key among these is the completeness and accuracy of the submitted information. Incomplete or inaccurate data can lead to back-and-forth communication, causing delays. Additionally, the size and complexity of the project play a significant role; larger projects or those with unique sustainability features may require more detailed analysis and calculations.

Another factor is the current workload of the certifying body. During peak construction periods, demand for BASIX reports can surge, leading to longer processing times. It's also worth noting that revisions or changes to the project scope after the initial submission can further prolong the process.

Fast-tracking your BASIX report: What you can do

To expedite your BASIX report, ensure all required documentation and data are complete and accurate before submission. This includes architectural plans, specifications, and any additional information relevant to the sustainability features of the project. Double-checking this information can prevent delays caused by incomplete submissions.

Engaging with a certified and experienced BASIX consultant early in the project can also streamline the process. These professionals can provide guidance on the necessary documentation and help identify potential issues before they become delays. Lastly, consider opting for priority processing services if offered by the certifying body, which can reduce turnaround times for an additional fee.

When should you order your BASIX report in your project timeline?

Timing is crucial when it comes to ordering your BASIX report. Ideally, you should initiate the BASIX assessment during the early stages of the design process. This allows any necessary design adjustments to be made without causing significant project delays. Ordering the report well before submitting your Development Application (DA) or Complying Development Certificate (CDC) ensures you have ample time to address any issues that might arise.

Incorporating the BASIX requirements early can also help avoid costly redesigns and ensure compliance with sustainability standards from the outset. By aligning the BASIX submission with your overall project timeline, you can better manage the approval process and keep your project on track.

How Certified Energy ensures quick and compliant BASIX reports

At Certified Energy, we understand the importance of timely and compliant BASIX reports for your construction projects. Our team of experienced professionals is dedicated to delivering accurate and efficient assessments, ensuring your project meets all sustainability requirements within the stipulated timeframe.

We leverage advanced tools and methodologies to streamline the BASIX assessment process, reducing turnaround times while maintaining the highest standards of accuracy and compliance. By providing clear guidance and support throughout the submission process, we help builders and homeowners navigate the complexities of BASIX requirements with confidence. Trust Certified Energy to keep your project moving forward smoothly and sustainably.

Jamie Bonnefin

Written by Jamie Bonnefin

Jamie is the Director of Australia's leading ESD consultancy, Certified Energy. Jamie is a Green Star sustainability leader, NABERS assessor and accredited ABSA and BDAV Assessor. With over 15 years of experience in Sustainable Design in the built environment industry, Jamie is passionate about his work.