Noarlunga Downs flood map & planning overlays
A planning-constraint profile of Noarlunga Downs (City of Onkaparinga, SA) - 4.3 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
4.3 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Noarlunga Downs'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.
Noarlunga Downs at a glance
How Noarlunga Downs is zoned
Selling in Noarlunga Downs? 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 Noarlunga Downs address.
Across its 4.3 km², Noarlunga Downs is highly constrained by planning overlays. About 69% of the suburb sits within a mapped flood overlay, and 18% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is General Neighbourhood. The median lot measures about 608 m² across 1,991 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.
Noarlunga Downs 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 Noarlunga Downs 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 →Noarlunga Downs planning - frequently asked
Where can I see a flood map of Noarlunga Downs?
The schematic on this page is a Noarlunga Downs flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 69% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Noarlunga Downs address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Noarlunga Downs flood-prone?
About 69% of Noarlunga Downs 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 Noarlunga Downs bushfire-prone?
Yes - around 18% of Noarlunga Downs 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 Noarlunga Downs?
The dominant planning zone in Noarlunga Downs is General Neighbourhood, though the suburb also includes Conservation and Housing Diversity Neighbourhood. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Noarlunga Downs have heritage-listed places?
Noarlunga Downs 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 Noarlunga Downs?
Across 1,991 surveyed parcels in Noarlunga Downs, the median lot size is about 608 m².
Does Noarlunga Downs have a train station?
There is no train station inside Noarlunga Downs itself. The suburb is served by 34 bus stops.
Do I need a planning report for a Noarlunga Downs property?
A Noarlunga Downs 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 |
|---|---|---|---|
| Huntfield Heights | 1.1 km | 29% | 32% |
| Seaford Meadows | 1.6 km | 67% | 12% |
| Onkaparinga Heights | 1.9 km | 7% | 100% |
| Noarlunga Centre | 2.1 km | 100% | 0% |
| Port Noarlunga South | 2.1 km | 71% | 45% |
| Port Noarlunga | 2.1 km | 61% | 46% |
| Hackham West | 2.2 km | 32% | 0% |
| Old Noarlunga | 2.4 km | 30% | 96% |
| Hackham | 3.1 km | 18% | 42% |
| Christie Downs | 3.3 km | 99% | 0% |