Step by Step Process
The Integrated Development Assessment System (IDAS) process applicable to a particular development application varies depending on the nature of the application. The Department of Infrastructure and Planning offers an interactive tool to produce a flow chart, to help understand the IDAS process.
Refer to the following resources:
The four step procedure, including pre-lodgement and post approval (as outlined below), provides a general overview of the application assessment process.
Pre-lodgement information
Refer to the following resources for more information before lodging a development application.
- Prelodgement Meetings Fact Sheet (PDF 97 KB)
- Prelodgement Meeting Request Form (PDF 300 KB)
- Letter of Advice Request Form (PDF 256 KB)
Step 1 - Application lodgement
Refer to the following resources for more information to help you with lodging your development application.
- Development application - Lodgement - Department of Infrastructure and Planning (DIP).
Step 2 - Referrals
Refer to Development application - Referrals - Department of Infrastructure and Planning (DIP).
Step 3 - Public notification
Visit Development application - Public notification - Department of Infrastructure and Planning (DIP).
Step 4 - Assessment
Visit Development application - Assessment - Department of Infastructure and Planning (DIP).
Development application changes post-approval
Please complete the Change to Development Approval Form (PDF 7252 KB) if you wish to apply to change an existing development approval.

