Landgate's geodetic team provides a range of services to support the surveying and spatial industries. Our vision is to deliver a reliable geodetic framework that provides users with the positioning solutions they need anytime, anywhere in Western Australia.

Geodetic strategy

The Geodetic Strategy for Western Australia to 2025 provides the blueprint for maintenance of the geodetic system.

Project grids and calculations

Landgate provides project grids that can be used for design and construction set out in a plane coordinate environment. Includes geodetic transformation and calculation tools.

Geodetic survey mark information

Landgate provides information for all Standard Survey Marks (SSMs) and Bench Marks (BMs) in Western Australia including the Christmas and Cocos (Keeling) islands.

Instrument calibration

Information on calibration of GNSS receivers, EDM’s and digital levelling staves.


Landgate, in conjunction with Intergovernmental Committee on Surveying and Mapping and Geodesy Working Group, have had an active technical role in the development of the GDA2020 and other elements of AGRS.

Standards and guidelines

Landgate complies with the ICSM ‘Standard for the Australian Survey Control Network Special Publication 1' (SP1 v2.2) for the delivery of the state geodetic network.

This page was last updated on: 22 Jan 2022