Proposed Development – Amendment for a Mixed Use Development

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What is proposed?

We have received an application for amending a Development Application to the Approved Demolition of Existing Structures and Construction of Residential Flat Building Development and Shop Top Housing, a Hotel Building, Associated Basement Parking and Landscaping Under Development Application 366/2025/JP.

The Hills Local Planning Panel is the determining authority for this regionally significant application.


What is the application for?

The application is for the construction a mixed-use development containing 362 residential apartments (with 93 of those units being affordable housing apartments), 143 hotel rooms, retail space, basement parking for 528 vehicles and associated landscaping.

The Application is classified as ‘Nominated Integrated Development’ pursuant to Section 4.46 of the Environmental Planning and Assessment Act 1979 requiring approval from Water NSW under section 90(2) of the Water Management Act 2000.


Where is this located?

The property is located at Lots 1 and 2 SP 35176, Lots 21, 22, 31, 32, 33 DP 222257, Lot 22 DP 655632, Lots 381, 382 and 383 DP 1257934, Lot 19 DP 135800, Nos. 1/28, 2/28, 2, 4, 22, 24, 26 Garthowen Crescent and Nos. 24, 26A, 26, 28, 30 Old Castle Hill Road, Castle Hill.


Application Details

The Application Number is 323/2027/JP.

The Applicant is St George Management Group Pty Ltd.

Further details are available on Council’s Online Development Application Tracking System including:

  • Statement of Environmental Effects
  • Plans
  • Relevant reports

How You Can Give Feedback

You may make a written submission on this development application until 5pm on 21 October 2026.

View the application on Council's Online Development Application Tracking System using the application number above.

To provide comments on the Development Application use this online form. Where an objection is made, the submission must specify the grounds for the objection.

All enquiries can be directed to Sanda Watts, Development Assessment Coordinator, 9843 0327.


This notice has been provided in accordance with the Planning Secretary’s Community Participation Plan and Section 56 of the Environmental Planning and Assessment Regulation 2021.

What is proposed?

We have received an application for amending a Development Application to the Approved Demolition of Existing Structures and Construction of Residential Flat Building Development and Shop Top Housing, a Hotel Building, Associated Basement Parking and Landscaping Under Development Application 366/2025/JP.

The Hills Local Planning Panel is the determining authority for this regionally significant application.


What is the application for?

The application is for the construction a mixed-use development containing 362 residential apartments (with 93 of those units being affordable housing apartments), 143 hotel rooms, retail space, basement parking for 528 vehicles and associated landscaping.

The Application is classified as ‘Nominated Integrated Development’ pursuant to Section 4.46 of the Environmental Planning and Assessment Act 1979 requiring approval from Water NSW under section 90(2) of the Water Management Act 2000.


Where is this located?

The property is located at Lots 1 and 2 SP 35176, Lots 21, 22, 31, 32, 33 DP 222257, Lot 22 DP 655632, Lots 381, 382 and 383 DP 1257934, Lot 19 DP 135800, Nos. 1/28, 2/28, 2, 4, 22, 24, 26 Garthowen Crescent and Nos. 24, 26A, 26, 28, 30 Old Castle Hill Road, Castle Hill.


Application Details

The Application Number is 323/2027/JP.

The Applicant is St George Management Group Pty Ltd.

Further details are available on Council’s Online Development Application Tracking System including:

  • Statement of Environmental Effects
  • Plans
  • Relevant reports

How You Can Give Feedback

You may make a written submission on this development application until 5pm on 21 October 2026.

View the application on Council's Online Development Application Tracking System using the application number above.

To provide comments on the Development Application use this online form. Where an objection is made, the submission must specify the grounds for the objection.

All enquiries can be directed to Sanda Watts, Development Assessment Coordinator, 9843 0327.


This notice has been provided in accordance with the Planning Secretary’s Community Participation Plan and Section 56 of the Environmental Planning and Assessment Regulation 2021.

Page published: 22 Sep 2026, 04:00 AM