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Guides and data deep-dives on Australian development applications — from checking a property's DA history to building on the API.
How to Check the DA History of Any Australian Property
Every renovation, extension, pool, and knock-down-rebuild leaves a paper trail at the local council. Here is how to find it — for free — and what to look for before you buy.
Read article →Our DA Data Coverage, State by State
Exactly what is inside the Council DA database: 3.97 million development applications from 290+ councils, how far back each state goes, and how fresh the data is.
Understanding DA Statuses: From Lodged to Determined
Lodged, under assessment, on exhibition, approved with conditions, refused — what each development application status actually means, and how the lifecycle differs by state.
How Builders and Trades Use DA Data for Lead Generation
A lodged DA is one of the strongest buying signals in construction: a named project, at a known address, with a budget attached. Here is how trades turn the public DA register into a pipeline.
Building Real-Time DA Alerts with the Council DA API
A practical walkthrough: poll the search endpoint or register a webhook, and get notified within days when a development application is lodged in the areas you watch.
Put the data to work
Search 3.97M development applications from 290+ councils — free address search, API, and alerts.
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