This database is designed to assist users researching the history of public buildings. Most records that are more than 30 years old are open to public access. Those that relate to security buildings are subject to a closed to public access direction, AD 28.

A complete listing of the Surveyor General's Crown Plans from the Select List of Maps and Plans (and Supplement), 1792-1886. It contains the earliest surveys of NSW (towns and villages, squatting districts, counties and parishes, roads, rivers, mountain ranges, and explorers' expeditions).