St Agnes flood map & planning overlays
A planning-constraint profile of St Agnes (City of Tea Tree Gully, SA) - 2.6 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
2.6 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Agnes'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.
St Agnes at a glance
How St Agnes is zoned
Selling in St Agnes? 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 St Agnes address.
Across its 2.6 km², St Agnes is highly constrained by planning overlays. About 100% of the suburb sits within a mapped flood overlay. There is 1 heritage-listed site on record, and the dominant land-use zone is General Neighbourhood. The median lot measures about 664 m² across 2,035 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.
St Agnes 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 St Agnes 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 →St Agnes planning - frequently asked
Where can I see a flood map of St Agnes?
The schematic on this page is a St Agnes 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 St Agnes address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is St Agnes flood-prone?
About 100% of St Agnes falls within a mapped flood overlay, against the council-wide suburb average of 97%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is St Agnes bushfire-prone?
Bushfire mapping covers St Agnes and little to none of it is mapped as bushfire-prone (the City of Tea Tree Gully average is 36%). Always confirm for the exact lot, as mapping can change.
What is the zoning in St Agnes?
The dominant planning zone in St Agnes is General Neighbourhood, though the suburb also includes Employment and Housing Diversity Neighbourhood. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does St Agnes have heritage-listed places?
St Agnes has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in St Agnes?
Across 2,035 surveyed parcels in St Agnes, the median lot size is about 664 m².
Does St Agnes have a train station?
There is no train station inside St Agnes itself. The suburb is served by 28 bus stops.
Do I need a planning report for a St Agnes property?
A St Agnes 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 |
|---|---|---|---|
| Ridgehaven | 1.1 km | 100% | 0% |
| Redwood Park | 2.0 km | 100% | 0% |
| Vista | 2.0 km | 100% | 99% |
| Modbury | 2.1 km | 100% | 0% |
| Hope Valley | 2.2 km | 100% | 4% |
| Tea Tree Gully | 2.4 km | 100% | 82% |
| Highbury | 2.6 km | 100% | 66% |
| Modbury North | 2.7 km | 100% | 0% |
| Banksia Park | 2.7 km | 100% | 57% |
| Modbury Heights | 3.0 km | 100% | 0% |