Square Mile flood map & planning overlays
A planning-constraint profile of Square Mile (Southern Limestone Coast Council, SA) - 2.66 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
2.66 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Square Mile's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Square Mile at a glance
How Square Mile is zoned
Selling in Square Mile? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose - a $9 planning report pulls them at the lot level for any Square Mile address.
Across its 2.66 km², Square Mile is highly constrained by planning overlays. About 100% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Rural Horticulture. The median lot measures about 131,363 m² across 23 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Square Mile data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Demographics | Not available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 20 August 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Square Mile address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Square Mile planning - frequently asked
Where can I see a flood map of Square Mile?
The schematic on this page is a Square Mile flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 100% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Square Mile address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Square Mile flood-prone?
About 100% of Square Mile falls within a mapped flood overlay, against the council-wide suburb average of 98%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Square Mile bushfire-prone?
Yes - around 100% of Square Mile is mapped as bushfire-prone, compared with a Southern Limestone Coast Council average of 98%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Square Mile?
The dominant planning zone in Square Mile is Rural Horticulture, though the suburb also includes Rural. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Square Mile have heritage-listed places?
No heritage-listed places are on record within Square Mile. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Square Mile?
Across 23 surveyed parcels in Square Mile, the median lot size is about 131,363 m².
Do I need a planning report for a Square Mile property?
A Square Mile planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Ob Flat | 2.5 km | 99% | 100% |
| Yahl | 4.2 km | 100% | 100% |
| Mount Gambier City of Mount Gambier |
5.3 km | 0% | 41% |
| Worrolong | 7.8 km | 86% | 98% |
| Caveton | 9.5 km | 100% | 100% |
| Moorak | 10.2 km | 100% | 100% |
| Caroline | 10.6 km | 100% | 100% |
| Suttontown | 10.6 km | 90% | 96% |
| Glenburnie | 11.4 km | 99% | 100% |
| Mil-Lel | 11.8 km | 100% | 100% |