Slope Instability

Slope instability is the term used to describe the risk of slope failure, such as landslip and subsidence. Many properties in the City of Ryde carry some degree of risk of slope failure. Properties identified in accordance Council’s adopted slope instability management policy are required to address and respond to this risk when undertaking development activity. As a result, this would be a consideration during the development assessment process.

To check if your property is affected by slope instability please download and view the maps below. This information will also be declared on all planning certificates for the property.

If you would like to find out more about slope instability affectation, you can also view the Slope Instability Reports, Advice and Slope Instability Risk Zones notes, available below.

If you would like to know more about development pathways and requirements for your property, please contact Council on (02) 9952 8222 and ask to speak to a duty planner.