# Data Sources, Portals & Practitioner Tools (AU)

> Component slug: `data-sources-tools`. Researched: `2026-05-18T01:50:00Z`. Sources cited: `11`. Token usage: `~16000`.

## 1. Summary (≤3 sentences)

Australian property practitioners operate across a layered data stack: private aggregators (RP Data/Cotality, PropTrack, APM PriceFinder) for sales comparables and AVMs; state Valuer-General portals (NSW VG, QLD QVAS, Landata Vic) for statutory and settlement data; and institutional financial-modelling tools (ARGUS Enterprise, MRI Software/Cougar) for commercial DCF and portfolio analytics. Environmental screening relies on EPA Victoria's Priority Sites Register for contaminated-land flags and Geoscience Australia's BAL Toolbox for bushfire risk classification to AS 3959-2009 Method 1. Macro-cycle positioning draws on ABS quarterly dwelling statistics and RBA statistical tables, cross-referenced against broker cap-rate surveys from JLL, Knight Frank, Colliers, CBRE, and Cushman & Wakefield.