Austral flood map & planning overlays
A planning-constraint profile of Austral (Liverpool, NSW) - 15.62 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
15.62 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Austral'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.
Austral at a glance
How Austral is zoned
Buying in Austral? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 15.62 km², Austral is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 46% is flagged bushfire-prone. There are 16 heritage-listed sites on record, and the dominant land-use zone is Low Density Residential. The median lot measures about 322 m² across 9,014 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.
Who lives in Austral
Census 2021 figures published by the ABS for the Austral suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1033, and decile 7 within New South Wales. The national average is 1000.
Age profile
Share of Austral's 6,847 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Austral - Greendale, the wider ABS statistical area containing Austral. There is no annual population series published at suburb level, so this describes the surrounding area rather than Austral itself.
8,956 in 2001 to 22,535 in 2025, up 152%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Austral 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 | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 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 Austral 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 →Austral planning - frequently asked
Where can I see a flood map of Austral?
The schematic on this page is a Austral flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 18% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Austral address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Austral flood-prone?
About 18% of Austral falls within a mapped flood overlay, against the council-wide suburb average of 2%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Austral bushfire-prone?
Yes - around 46% of Austral is mapped as bushfire-prone, compared with a Liverpool average of 41%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Austral?
The dominant planning zone in Austral is Low Density Residential, though the suburb also includes Infrastructure and Medium Density Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Austral have heritage-listed places?
Austral 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 Austral?
Across 9,014 surveyed parcels in Austral, the median lot size is about 322 m². There are also 29 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Austral have a train station?
There is no train station inside Austral itself. The suburb is served by 91 bus stops.
What is the population of Austral?
At the 2021 Census Austral had 6,847 usual residents, with a median age of 31 and an average household size of 3.1 people. The wider Austral - Greendale statistical area, which contains Austral, went from 8,956 people in 2001 to 22,535 in 2025, up 152%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Austral alone.
Is Austral an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Austral scores 1033 and sits in decile 8 of 10 nationally and decile 7 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Austral?
Median household income in Austral was $2,168 a week at the 2021 Census, against $1,959 for the typical suburb in Liverpool. Median rent was $520 a week and the median mortgage repayment $2,535 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Austral property?
An Austral 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 |
|---|---|---|---|
| West Hoxton | 2.3 km | 0% | 66% |
| Middleton Grange | 3.2 km | 0% | 40% |
| Horningsea Park | 3.8 km | 0% | 22% |
| Carnes Hill | 3.9 km | 0% | 22% |
| Rossmore | 4.0 km | 8% | 62% |
| Len Waters Estate | 4.1 km | 0% | 60% |
| Hoxton Park | 4.5 km | 0% | 42% |
| Elizabeth Hills | 4.5 km | 0% | 42% |
| Cecil Park | 4.7 km | 9% | 75% |
| Cecil Hills | 5.1 km | 0% | 64% |