DATA SOURCES & ATTRIBUTION

RatesAppeal - A QuantumAxis Service
Last updated: 11 September 2025

We combine multiple authoritative data sources to provide comprehensive property market intelligence across Australia:

NSW Government Open Data

Property Sales Data

  • Source: NSW Valuer General Property Sales Data
  • Licence: Creative Commons Attribution 4.0 (CC BY 4.0)
  • Attribution: © State of New South Wales (NSW Valuer General) 2024
  • Updates: Weekly releases with historical sales data

Land Values

  • Source: NSW Valuer General Land Value Summaries
  • Licence: Creative Commons Attribution 4.0 (CC BY 4.0)
  • Attribution: © State of New South Wales (NSW Valuer General) 2024
  • Coverage: All NSW properties with current and historical land values

Other State Data Sources

Expanding Coverage:

  • Victoria: Planning expansion using Victorian government open data
  • Queensland: Evaluating QLD property data sources
  • Other states: Progressive rollout planned

Licensed Commercial Data

Enhanced Property Attributes

  • Source: Licensed commercial property data providers
  • Coverage: Property descriptions, zoning, planning constraints
  • Restrictions: For RatesAppeal research use only, not for redistribution

Geocoding & Mapping

  • Source: Mapping service providers
  • Usage: Address validation, distance calculations, map displays
  • Terms: Subject to third-party mapping service terms

User Attributions

Important: Do not remove attribution notices from exported research reports. Some data providers conduct licence audits and require usage attribution.

Compliance: By using premium features, you agree to maintain proper attribution when submitting materials to State Valuer Generals or other authorities.

Data Quality & Updates

Refresh Schedule:

  • NSW data: Weekly updates from Valuer General
  • Other sources: Monthly or as available from providers
  • Historical data: Maintained for trend analysis

Accuracy: While we use official government sources, property data may contain errors or omissions. Always verify critical details independently.

Contact: https://www.quantumaxis.com.au/contact for data source questions or to report inaccuracies.

Data Processing & Derivative Works

Derivative Work Identification: Data processed and analyzed by RatesAppeal. Original data from NSW Valuer General.

RatesAppeal creates derivative works by filtering, organizing, analyzing, and presenting NSW Valuer General data in new formats and contexts. All derivative works maintain proper attribution to the original data source as required by the Creative Commons Attribution 4.0 license.

Data Sources | RatesAppeal