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.

849
Total Applications
213
Unique Addresses
2026
Records Since
N/A
Avg. Project Cost

Recent Applications (20)

Get alerts for St Marys
DA-26027771Under Assessment

62 DORENE ST ST MARYS SA 5042

Extending front fence to corner

Lodged: 1 Sept 2026Minor Works
DA-26028579Under Assessment

30 CASHEL ST ST MARYS SA 5042

Ancillary accommodation

Lodged: 26 Aug 2026Commercial - Accommodation
DA-26028287Under Assessment

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-26024807Under Assessment

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
DA-26022492Determined

1235 SOUTH RD ST MARYS SA 5042

New LED signage

Lodged: 13 July 2026Signage
DA-26020436Under Assessment

1305 SOUTH RD ST MARYS SA 5042

Advertisement (fascia signage, pylon, directional sign and operating hours signage)

Lodged: 9 July 2026Signage
DA-26019751Under Assessment

38 TOBRUK AV ST MARYS SA 5042

Torrens title land division – 1 allotment into 2, construction of two single storey detached dwellings with associated retaining walls and fences, removal of one street tree.

Lodged: 29 June 2026Residential
DA-26019399Under Assessment

15 THURLES ST ST MARYS SA 5042

Proposed carport, shed and verandah

Lodged: 20 June 2026Minor Works
DA-26018363Under Assessment

142 CASHEL ST ST MARYS SA 5042

Removal of a regulated tree (Grey Sheoak)

Lodged: 9 June 2026Tree/Vegetation
DA-26014775Determined

53 TOBRUK AV ST MARYS SA 5042

Verandah

Lodged: 1 June 2026Building Work
DA-26014023Under Assessment

UNIT 1 22 CASHEL ST ST MARYS SA 5042

Verandah and Deck

Lodged: 29 May 2026Building Work
DA-26016641Determined

22 MERRITON AV ST MARYS SA 5042

Carport & verandah

Lodged: 22 May 2026Minor Works
DA-26006228Under Assessment

19 DENIS ST ST MARYS SA 5042

Construction of single storey supported accommodation

Lodged: 18 May 2026Commercial - Accommodation
DA-26010816Under Assessment

34A ST MARYS ST ST MARYS SA 5042

Single storey detached dwelling and fencing

Lodged: 12 May 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

Sign up for free to receive alerts when new applications are lodged in St Marys and never miss important developments in your area.