12 ST MARYS ST WILLUNGA SA 5172
Development application in WILLUNGA, South Australia · City of Onkaparinga
Proposed development
A split-level detached dwelling with associated retaining walls, decking, landscaping, front and side fencing, and an aboveground swimming pool and safety fencing
Application details
- Application number
- DA-26027326
- Type
- DA
- Category
- Residential
- Lodged
- 12 September 2026
- Council
- City of Onkaparinga
Nearby development activity
12 ST MARYS ST WILLUNGA SA 5172
Residential
South Australia
Residential
South Australia
Residential
10 ST MARYS ST WILLUNGA SA 5172
Subdivision
South Australia
Residential
10 ST MARYS ST WILLUNGA SA 5172
Residential
LOT 91 CHAPEL ST WILLUNGA SA 5172
Subdivision
LOT 91 ST MARYS ST WILLUNGA SA 5172
Residential
About this development application
A development application (DA) is lodged with City of Onkaparinga when a property owner seeks consent to build, renovate, demolish, subdivide or change the use of a property in WILLUNGA. 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.