Port Noarlunga flood map & planning overlays
A planning-constraint profile of Port Noarlunga (City of Onkaparinga, 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 Port Noarlunga'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 Noarlunga at a glance
How Port Noarlunga is zoned
Selling in Port Noarlunga? 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 Noarlunga address.
Across its 2.6 km², Port Noarlunga is highly constrained by planning overlays. About 61% of the suburb sits within a mapped flood overlay, and 46% is flagged bushfire-prone. There are 23 heritage-listed sites on record, and the dominant land-use zone is Housing Diversity Neighbourhood. The median lot measures about 604 m² across 1,749 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 Noarlunga 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 Noarlunga 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 Noarlunga planning - frequently asked
Where can I see a flood map of Port Noarlunga?
The schematic on this page is a Port Noarlunga flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 61% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Port Noarlunga address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Port Noarlunga flood-prone?
About 61% of Port Noarlunga 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 Noarlunga bushfire-prone?
Yes - around 46% of Port Noarlunga 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 Noarlunga?
The dominant planning zone in Port Noarlunga is Housing Diversity Neighbourhood, though the suburb also includes Conservation and General Neighbourhood. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Port Noarlunga have heritage-listed places?
Port Noarlunga has 23 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 Noarlunga?
Across 1,749 surveyed parcels in Port Noarlunga, the median lot size is about 604 m².
Does Port Noarlunga have a train station?
There is no train station inside Port Noarlunga itself. The suburb is served by 18 bus stops.
Do I need a planning report for a Port Noarlunga property?
A Port Noarlunga 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 |
|---|---|---|---|
| Port Noarlunga South | 1.2 km | 71% | 45% |
| Seaford Meadows | 1.9 km | 67% | 12% |
| Noarlunga Centre | 2.1 km | 100% | 0% |
| Noarlunga Downs | 2.1 km | 69% | 18% |
| Christies Beach | 2.2 km | 93% | 37% |
| Christie Downs | 3.0 km | 99% | 0% |
| Huntfield Heights | 3.1 km | 29% | 32% |
| Hackham West | 3.5 km | 32% | 0% |
| O'Sullivan Beach | 3.5 km | 56% | 78% |
| Seaford | 3.6 km | 75% | 35% |