Development Applications in St Marys

Track all current and recent development applications in St Marys, South Australia. Stay informed about new constructions, renovations, and planning permits in your area.

854
Total Applications
218
Unique Addresses
2026
Records Since
N/A
Avg. Project Cost

Recent Applications (20)

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DA-26033855Under Assessment

134 CASHEL ST ST MARYS SA 5042

Construction of one (1) two-storey detached dwelling and two (2) two-storey group dwellings and associated retaining walls and fencing and removal of one (1) Significant Tree

Lodged: 14 Oct 2026Residential
DA-26033174Determined

UNIT 3 6 DORENE ST ST MARYS SA 5042

Internal alterations including enlargement of existing opening between kitchen and lounge and installation of new structural beam

Lodged: 8 Oct 2026Alteration/Addition
DA-26032767Under Assessment

58 AURICCHIO AV ST MARYS SA 5042

Masonry Front fence

Lodged: 6 Oct 2026Minor Works
DA-26031616Under Assessment

143 DAWS RD ST MARYS SA 5042

Variation of Development Application 21011099 to Include Funeral Services and Extend Operating Hours

Lodged: 3 Oct 2026
DA-26032670Determined

5 MANSE TCE ST MARYS SA 5042

Installation of swimming pool and safety barriers

Lodged: 1 Oct 2026Minor Works
DA-26031141Under Assessment

UNIT 1 9 CRYSTAL AV ST MARYS SA 5042

Deck

Lodged: 30 Sept 2026Building Work
DA-26031041Under Assessment

31 WALSH AV ST MARYS SA 5042

Torrens title land division (1:2), detached dwelling and retention of existing dwelling

Lodged: 18 Sept 2026Residential
DA-26030517Under Assessment

11 DORENE ST ST MARYS SA 5042

Construction of two (2) single storey detached dwellings and tree damaging activity

Lodged: 17 Sept 2026Residential
DA-26028155Under Assessment

15 DONALD ST ST MARYS SA 5042

Dwelling Addition and alteration

Lodged: 9 Sept 2026Residential
DA-26028983Under Assessment

4A BARNETT AV ST MARYS SA 5042

Variation to application 26006011, to vary soft landscaping and driveway froward of dwelling

Lodged: 8 Sept 2026Residential
DA-26027771Determined

62 DORENE ST ST MARYS SA 5042

Extending front fence to corner

Lodged: 1 Sept 2026Minor Works
DA-26028579Determined

30 CASHEL ST ST MARYS SA 5042

Ancillary accommodation

Lodged: 26 Aug 2026Commercial - Accommodation
DA-26028287Determined

3 THE CRESCENT ST MARYS SA 5042

Remove Significant Agonis flexuosa from front yard.

Lodged: 25 Aug 2026
DA-26025412Under Assessment

16 LAURA AV ST MARYS SA 5042;18 LAURA AV ST MARYS SA 5042

Construction of two (2) two-storey dwellings (abutting walls) with associated retaining walls, fencing and landscaping (Dwelling 2 with driveway access from adjoining development)

Lodged: 18 Aug 2026Residential
DA-26023889Under Assessment

24 MERRITON AV ST MARYS SA 5042

Two single storey detached dwellings with associated fencing and 1 into 2 land division

Lodged: 13 Aug 2026Residential
DA-26021683Under Assessment

28 ADELAIDE TCE ST MARYS SA 5042

Variation to development application 23003085, retrospective dwelling addition in form of conversion of the carport and verandah to garage and store room, building alterations, verandah at rear, variation to the outbuilding (shed), additional of soft landscaping

Lodged: 12 Aug 2026Residential
DA-26023742Under Assessment

2B STYLES AV ST MARYS SA 5042

Variation to development authorisation 25002891, variation to supported accommodation builtform

Lodged: 5 Aug 2026Commercial - Accommodation
DA-26024807Determined

2 CASHEL ST ST MARYS SA 5042

Torrens title land division – 1 allotment into 2 - in association with Built Form application 25034001

Lodged: 3 Aug 2026Subdivision
DA-26024405Determined

1 DONALD ST ST MARYS SA 5042

Swimming pool and safety barrier

Lodged: 31 July 2026Minor Works
DA-26021842Under Assessment

12 RAGLESS ST ST MARYS SA 5042

Change of use from warehouse to bulky goods outlet

Lodged: 24 July 2026Residential

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About Development Applications in St Marys

Development Applications (DAs) in St Marys, South Australia are submitted to the local council when property owners want to make changes to their property. This includes new buildings, renovations, additions, and other significant works.

By tracking DAs in St Marys, you can stay informed about upcoming construction in your neighbourhood, understand property development trends, and research potential investment opportunities.

What you can track:

  • New residential developments and subdivisions
  • Commercial building applications
  • Home renovations and extensions
  • Swimming pools and landscaping
  • Mixed-use developments

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