Thompson Beach flood map & planning overlays
A planning-constraint profile of Thompson Beach (Adelaide Plains Council, SA) - 4.33 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
4.33 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Thompson Beach'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.
Thompson Beach at a glance
How Thompson Beach is zoned
Selling in Thompson Beach? 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 Thompson Beach address.
Across its 4.33 km², Thompson Beach is highly constrained by planning overlays. About 24% of the suburb sits within a mapped flood overlay, and 24% is flagged bushfire-prone. The dominant land-use zone is Coastal Waters and Offshore Islands. The median lot measures about 952 m² across 347 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.
Thompson Beach 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 Thompson Beach 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 →Thompson Beach planning - frequently asked
Where can I see a flood map of Thompson Beach?
The schematic on this page is a Thompson Beach flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 24% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Thompson Beach address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Thompson Beach flood-prone?
About 24% of Thompson Beach falls within a mapped flood overlay, against the council-wide suburb average of 57%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Thompson Beach bushfire-prone?
Yes - around 24% of Thompson Beach is mapped as bushfire-prone, compared with a Adelaide Plains Council average of 81%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Thompson Beach?
The dominant planning zone in Thompson Beach is Coastal Waters and Offshore Islands, though the suburb also includes Rural Settlement and Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Thompson Beach have heritage-listed places?
No heritage-listed places are on record within Thompson Beach. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Thompson Beach?
Across 347 surveyed parcels in Thompson Beach, the median lot size is about 952 m².
Do I need a planning report for a Thompson Beach property?
A Thompson Beach 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 |
|---|---|---|---|
| Webb Beach | 4.8 km | 11% | 11% |
| Parham | 6.6 km | 30% | 30% |
| Dublin | 7.1 km | 97% | 97% |
| Windsor | 9.1 km | 89% | 89% |
| Lower Light | 9.7 km | 53% | 71% |
| Wild Horse Plains | 15.2 km | 80% | 80% |
| Calomba | 16.0 km | 100% | 100% |
| Long Plains | 16.8 km | 100% | 100% |
| Middle Beach | 19.3 km | 35% | 66% |
| Mallala | 21.4 km | 90% | 100% |