Step 3 updates added.
Check if your idea for construction, alteration or demolition requires Development Approval, Home Based Businesses information
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.
Information and fact sheets regarding the new planning legislation and associated regulations, codes, guidelines and consultation.
These guidelines are a tool to assist City of Onkaparinga staff in their consideration, selection and implementation of a wide range of citywide signage. This document does not address private signs, which are subject to a separate development process.
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