Heckenberg flood map & planning overlays
A planning-constraint profile of Heckenberg (Liverpool, NSW) - 0.93 km², mapped from live council and state overlay data. This suburb is relatively unconstrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
0.93 km² - this suburb is relatively unconstrained by planning overlays.
Elevation hillshade with street names, clipped to Heckenberg'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.
Heckenberg at a glance
How Heckenberg is zoned
Buying in Heckenberg? 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 0.93 km², Heckenberg is relatively unconstrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 4% is flagged bushfire-prone. The dominant land-use zone is Low Density Residential. The median lot measures about 598 m² across 892 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 Heckenberg
Census 2021 figures published by the ABS for the Heckenberg 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 797, and decile 1 within New South Wales. The national average is 1000.
Age profile
Share of Heckenberg's 3,263 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Ashcroft - Busby - Miller, the wider ABS statistical area containing Heckenberg. There is no annual population series published at suburb level, so this describes the surrounding area rather than Heckenberg itself.
16,934 in 2001 to 18,381 in 2025, up 9%.
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.
Heckenberg 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 Heckenberg 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 →Heckenberg planning - frequently asked
Where can I see a flood map of Heckenberg?
The schematic on this page is a Heckenberg flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Heckenberg address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Heckenberg flood-prone?
Flood mapping covers Heckenberg and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 2%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Heckenberg bushfire-prone?
Yes - around 4% of Heckenberg 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 Heckenberg?
The dominant planning zone in Heckenberg is Low Density Residential, though the suburb also includes Public Recreation and Medium Density Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Heckenberg have heritage-listed places?
No heritage-listed places are on record within Heckenberg. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Heckenberg?
Across 892 surveyed parcels in Heckenberg, the median lot size is about 598 m².
Does Heckenberg have a train station?
There is no train station inside Heckenberg itself. The suburb is served by 49 bus stops.
What is the population of Heckenberg?
At the 2021 Census Heckenberg had 3,263 usual residents, with a median age of 32 and an average household size of 3.3 people. The wider Ashcroft - Busby - Miller statistical area, which contains Heckenberg, went from 16,934 people in 2001 to 18,381 in 2025, up 9%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Heckenberg alone.
Is Heckenberg an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Heckenberg scores 797 and sits in decile 1 of 10 nationally and decile 1 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 Heckenberg?
Median household income in Heckenberg was $1,159 a week at the 2021 Census, against $1,959 for the typical suburb in Liverpool. Median rent was $300 a week and the median mortgage repayment $1,850 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Heckenberg property?
A Heckenberg 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 |
|---|---|---|---|
| Mount Pritchard Fairfield |
0.9 km | 7% | 4% |
| Sadleir | 1.0 km | 0% | 6% |
| Busby | 1.2 km | 0% | 0% |
| Ashcroft | 1.2 km | 0% | 27% |
| Bonnyrigg Fairfield |
1.6 km | 0% | 6% |
| Miller | 1.7 km | 0% | 15% |
| Cartwright | 1.8 km | 0% | 34% |
| Green Valley | 2.1 km | 0% | 2% |
| Cabramatta West Fairfield |
2.5 km | 0% | 0% |
| Hinchinbrook | 2.7 km | 0% | 16% |