Port Willunga flood map & planning overlays
A planning-constraint profile of Port Willunga (City of Onkaparinga, SA) - 2.24 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
2.24 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Port Willunga'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.
Port Willunga at a glance
How Port Willunga is zoned
Selling in Port Willunga? 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 Port Willunga address.
Across its 2.24 km², Port Willunga is highly constrained by planning overlays. About 56% of the suburb sits within a mapped flood overlay, and 90% is flagged bushfire-prone. There are 16 heritage-listed sites on record, and the dominant land-use zone is General Neighbourhood. The median lot measures about 703 m² across 1,186 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.
Port Willunga 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 Port Willunga 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 →Port Willunga planning - frequently asked
Where can I see a flood map of Port Willunga?
The schematic on this page is a Port Willunga flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 56% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Port Willunga address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Port Willunga flood-prone?
About 56% of Port Willunga falls within a mapped flood overlay, against the council-wide suburb average of 40%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Port Willunga bushfire-prone?
Yes - around 90% of Port Willunga is mapped as bushfire-prone, compared with a City of Onkaparinga average of 69%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Port Willunga?
The dominant planning zone in Port Willunga is General Neighbourhood, though the suburb also includes Open Space and Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Port Willunga have heritage-listed places?
Port Willunga has 16 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 Port Willunga?
Across 1,186 surveyed parcels in Port Willunga, the median lot size is about 703 m².
Does Port Willunga have a train station?
There is no train station inside Port Willunga itself. The suburb is served by 14 bus stops.
Do I need a planning report for a Port Willunga property?
A Port Willunga 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 |
|---|---|---|---|
| Aldinga | 2.2 km | 14% | 99% |
| Maslin Beach | 3.2 km | 11% | 98% |
| Aldinga Beach | 4.0 km | 50% | 78% |
| Tatachilla | 4.6 km | 5% | 100% |
| Whites Valley | 4.8 km | 12% | 100% |
| Moana | 5.7 km | 54% | 92% |
| Seaford Rise | 6.2 km | 83% | 51% |
| Seaford Heights | 7.3 km | 63% | 67% |
| Seaford | 8.1 km | 75% | 35% |
| Sellicks Beach | 8.4 km | 46% | 97% |