4 SINCLAIR AVENUE THORNLEIGH 2120
Development application in THORNLEIGH, New South Wales · The Council of the Shire of Hornsby
Proposed development
Earthworks, retaining walls and structural support; Minor building alterations (external); Pathways and paving
Application details
- Application number
- CDC-326502
- Type
- Complying Development Certificate Application
- Record type
- CDC
- Category
- Operational Works
- Lodged
- 21 November 2025
- Council
- The Council of the Shire of Hornsby
More detail available
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Nearby development activity
1 ROACH AVENUE THORNLEIGH 2120
Building Work
55 DUFFY AVENUE THORNLEIGH 2120
Building Work
59 DUFFY AVENUE THORNLEIGH 2120
Demolition
8 ROACH AVENUE THORNLEIGH 2120
Residential
47 DUFFY AVENUE THORNLEIGH 2120
Alteration/Addition
41 DUFFY AVENUE THORNLEIGH 2120
Demolition
50 DUFFY AVENUE THORNLEIGH 2120
Alteration/Addition
17 BARRETT AVENUE THORNLEIGH 2120
Subdivision
About this development application
A development application (DA) is lodged with The Council of the Shire of Hornsby when a property owner seeks consent to build, renovate, demolish, subdivide or change the use of a property in THORNLEIGH. This record is part of Council DA's database of 3.97 million development applications from 290+ Australian councils.
Tracking DAs like this one helps residents stay informed about neighbourhood change, and helps builders, agents and researchers understand local development trends.