53 GALLOWAY RD O'SULLIVAN BEACH SA 5166;LOT 525 GALLOWAY RD O'SULLIVAN BEACH SA 5166
Development application in O'SULLIVAN BEACH, South Australia · City of Onkaparinga
Proposed development
Alterations and additions to the existing education facility, including the construction of two new classrooms and an internal breakout space; alterations and extensions to the existing deck and verandah; and the installation of new retaining walls, fencing, and gates. The proposal also incorporates an additional 24 students and 1.6 FTE staff.
Application details
- Application number
- DA-25031773
- Type
- DA
- Record type
- Development Application
- Category
- Community - Education
- Lodged
- 20 January 2026
- Council
- City of Onkaparinga
Direct council link available to subscribers
Nearby development activity
53 GALLOWAY RD O'SULLIVAN BEACH SA 5166
53 GALLOWAY RD O'SULLIVAN BEACH SA 5166
Institutional
53 GALLOWAY RD O'SULLIVAN BEACH SA 5166;55 GALLOWAY RD CHRISTIES BEACH SA 5165;LOT 525 GALLOWAY RD O'SULLIVAN BEACH SA 5166
Industrial
53 GALLOWAY RD O'SULLIVAN BEACH SA 5166
Signage
55 GALLOWAY RD O'SULLIVAN BEACH SA 5166;LOT 170 HUNTER RD CHRISTIES BEACH SA 5165
Subdivision
1 GUMERACHA RD O'SULLIVAN BEACH SA 5166
Residential
64A HUNTER RD CHRISTIES BEACH SA 5165
Residential
36 GALLOWAY RD O'SULLIVAN BEACH SA 5166
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 O'SULLIVAN BEACH. 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.