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Building and Planning

South Australia’s new planning system is now operational for the City of Mount Gambier allowing development applications to be submitted and tracked online via Australia’s first state wide ePlanning platform. The platform brings together the PlanSA portal, the online Planning and Design Code, the South Australian Property and Planning Atlas and the electronic Development Application Processing system.

The new planning system delivers clear and consistent planning policies across the entire state of South Australia that are easily accessible and widely available.

Access the new planning system at

The PlanSA website provides the entry point to the ePlanning system for South Australia and will help you to:

To use the PlanSA lodgement system, you will first need to register for an online account.

If you are still wanting to lodge your development application by email, post or in person, an additional $83 processing fee may be charged for uploading the development application into the planning system on your behalf. If you are lodging by email, post or in person at the Council office, you will also need to download and print the statutory forms from PlanSA and complete them as an attachment to your application. All forms are available at

Need assistance?

If you have enquiries or are seeking advice regarding planning or building within the City of Mount Gambier please contact Council on (08) 8721 2555 or email

If you require assistance specific to the lodgement and management of development applications in the ePlanning system, please visit, email or call the PlanSA Service Desk on 1800 752 664.