Ob Flat flood map & planning overlays
A planning-constraint profile of Ob Flat (Southern Limestone Coast Council, SA) - 25.66 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
25.66 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Ob Flat'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.
Ob Flat at a glance
How Ob Flat is zoned
Selling in Ob Flat? 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 Ob Flat address.
Across its 25.66 km², Ob Flat is highly constrained by planning overlays. About 99% 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 18,944 m² across 336 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.
Ob Flat 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 Ob Flat 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 →Ob Flat planning - frequently asked
Where can I see a flood map of Ob Flat?
The schematic on this page is a Ob Flat flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 99% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Ob Flat address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Ob Flat flood-prone?
About 99% of Ob Flat 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 Ob Flat bushfire-prone?
Yes - around 100% of Ob Flat 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 Ob Flat?
The dominant planning zone in Ob Flat is Rural Horticulture, though the suburb also includes Rural and Suburban Neighbourhood. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Ob Flat have heritage-listed places?
No heritage-listed places are on record within Ob Flat. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Ob Flat?
Across 336 surveyed parcels in Ob Flat, the median lot size is about 18,944 m².
Do I need a planning report for a Ob Flat property?
An Ob Flat 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 |
|---|---|---|---|
| Square Mile | 2.5 km | 100% | 100% |
| Mount Gambier City of Mount Gambier |
6.2 km | 0% | 41% |
| Yahl | 6.2 km | 100% | 100% |
| Moorak | 8.1 km | 100% | 100% |
| Caveton | 9.3 km | 100% | 100% |
| Mount Schank | 9.6 km | 100% | 100% |
| Worrolong | 9.8 km | 86% | 98% |
| Suttontown | 11.0 km | 90% | 96% |
| Compton | 11.7 km | 100% | 100% |
| Caroline | 12.2 km | 100% | 100% |