Featuring the services and information people use most often. We’re still building the site, so if there’s anything you can't find please visit
Check if your idea for construction, alteration or demolition requires Development Approval.
Information and links to help you lodge your development application for building or demolishing a structure and removing significant or regulated trees.
View existing and past applications. Pay your application fees. Notify council of building works.
All other development queries!Asbestos, built heritage, fences, house plans, NBN, pools, retaining walls, rainwater tanks, stormwater, technical standards and trees.
Public notifications for category 2 and 3 development applications
Information regarding Council's Development Plan
Information and fact sheets regarding significant development in Onkaparinga.
Customer Relations Centre
P +61 8 8384 0666
Postal: PO Box 1,
Noarlunga Centre SA 5168
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