One Tree Hill flood map & planning overlays
A planning-constraint profile of One Tree Hill (City of Playford, SA) - 23.12 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
23.12 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to One Tree Hill'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.
One Tree Hill at a glance
How One Tree Hill is zoned
Selling in One Tree Hill? 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 One Tree Hill address.
Across its 23.12 km², One Tree Hill is highly constrained by planning overlays. About 3% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 13 heritage-listed sites on record, and the dominant land-use zone is Hills Face. The median lot measures about 5,662 m² across 431 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.
One Tree Hill 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 One Tree Hill 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 →One Tree Hill planning - frequently asked
Where can I see a flood map of One Tree Hill?
The schematic on this page is a One Tree Hill flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 3% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any One Tree Hill address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is One Tree Hill flood-prone?
About 3% of One Tree Hill falls within a mapped flood overlay, against the council-wide suburb average of 28%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is One Tree Hill bushfire-prone?
Yes - around 100% of One Tree Hill is mapped as bushfire-prone, compared with a City of Playford average of 49%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in One Tree Hill?
The dominant planning zone in One Tree Hill is Hills Face, though the suburb also includes Rural Neighbourhood and Township. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does One Tree Hill have heritage-listed places?
One Tree Hill has 13 heritage-listed places 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 One Tree Hill?
Across 431 surveyed parcels in One Tree Hill, the median lot size is about 5,662 m².
Do I need a planning report for a One Tree Hill property?
An One Tree Hill 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 |
|---|---|---|---|
| Gould Creek City of Tea Tree Gully |
3.1 km | 42% | 100% |
| Craigmore | 3.4 km | 17% | 40% |
| Elizabeth Downs | 5.0 km | 34% | 0% |
| Elizabeth Park | 5.3 km | 39% | 0% |
| Sampson Flat | 5.3 km | 5% | 100% |
| Uleybury | 5.4 km | 3% | 100% |
| Greenwith City of Tea Tree Gully |
5.6 km | 99% | 87% |
| Hillbank | 5.6 km | 15% | 87% |
| Golden Grove City of Tea Tree Gully |
5.7 km | 94% | 68% |
| Blakeview | 5.7 km | 25% | 40% |