Crows Nest OSD Site B Approved for 15-Storey Mixed-Use Tower

The NSW Government has approved the State Significant Development application for the Crows Nest OSD Site B project, lodged by Thirdiproperty Pty Ltd. The determination allows for a major mixed-use development above the Crows Nest Metro Station at 25 Hume Street, North Sydney, comprising 15 storeys.

The project will deliver 122 residential apartments, including a mix of one, two, and three-bedroom dwellings, as well as ground floor retail and commercial space integrated with the station. The development includes 78 car parking spaces and 156 bicycle spaces across three basement levels.

Approval was granted under the State Significant Development pathway, following review by a design review panel. A Voluntary Planning Agreement has been executed, securing affordable housing (5% of dwellings for 10 years) and public benefits, while removing future contribution liabilities. The site remains zoned MU1 Mixed Use.

For more information, search the application number (SSD-61400212) on the NSW Department of Planning, Housing and Infrastructure’s website.

A page from the architectural plans for the Crows Nest Over Station Development.
Project Snapshot
Project Overview
Application NumberSSD-61400212
Project TitleCrows Nest Osd Site B
Project StatusApproved
Determination Date16/04/2026
Project TypeResidential & Commercial (Mixed use)
Address25 Hume Street, Crows Nest
LGANorth Sydney
DeveloperThirdiproperty Pty Ltd
Project Metrics
Site Area1,871 sqm
GFA13,916 sqm
Dwellings122
Affordable Housing5% | for 10 years
Storeys15
Parking78 car | 156 bike
Basement Levels3
Capital Investment$85.6 million
Planning Metrics
ExistingProposedApproved
ZoningMU1 Mixed UseMU1 Mixed UseMU1 Mixed Use
FSR7.5:16.93:16.93:1
HOB155m155m155m
Project Team
DeveloperThirdiproperty Pty Ltd
PlanningWillowtree Planning Pty Ltd
ArchitectWoods Bagot
View Full Consultant Team
Economics consultantNorthcroft
Landscape architect and visual impact consultantRPS
Access/BCA consultantCredwell
Access consultantMGAC
SurveyorLTS
Wind consultantARUP
ESD consultant and geotechnical consultantStantec
Acoustic consultantPWNA
Heritage consultantCity Plan
Social impact consultantGriffin Planning
Civil engineerNDY
Aviation consultantAviation Projects
Public art consultantGillie and Marc
Waste consultantElephants Foot Consulting
ArboristUrban Arbor

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