Welcome to Sub Base Platypus




The Harbour Trust has invited Expressions of Interest to become part of the city’s newest waterfront park – at Platypus North Sydney, on the shores of Neutral Bay.

Information Pack

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About Platypus

With the industrial legacy of a former gasworks, and later as a torpedo manufacturing facility and submarine base, Sub Base Platypus has a rich and diverse history.

Find out more about the history of the site and the Platypus Renewal Project. 

Expressions of Interest

The Harbour Trust’s vision is to create a landmark location for the people of Sydney. The revitalisation of Platypus will open up the fascinating spaces of this former industrial site and integrate it with the neighbourhood.

Read more about the Sub Base Platypus Call for Expressions of Interest

EOI Process

The Call for Expressions of Interest will assist the Harbour Trust in selecting a cohesive tenancy mix to achieve the vision of the Management Plan.

Read more about How to Submit an EOI

Sub Base Platypus News

Stay up to date with what’s happening at Sub Base Platypus.