Hassall Grove flood map & planning overlays
A planning-constraint profile of Hassall Grove (Blacktown, NSW) - 1.21 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
1.21 km² - this suburb is relatively unconstrained by planning overlays.
Elevation hillshade with street names, clipped to Hassall Grove'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.
Hassall Grove at a glance
How Hassall Grove is zoned
Buying in Hassall Grove? 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 1.21 km², Hassall Grove is relatively unconstrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 10% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Low Density Residential. The median lot measures about 556 m² across 1,289 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 Hassall Grove
Census 2021 figures published by the ABS for the Hassall Grove 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 958, and decile 3 within New South Wales. The national average is 1000.
Age profile
Share of Hassall Grove's 4,401 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Hassall Grove - Plumpton, the wider ABS statistical area containing Hassall Grove. There is no annual population series published at suburb level, so this describes the surrounding area rather than Hassall Grove itself.
18,107 in 2001 to 21,657 in 2025, up 20%.
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.
Hassall Grove 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 Hassall Grove 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 →Hassall Grove planning - frequently asked
Where can I see a flood map of Hassall Grove?
The schematic on this page is a Hassall Grove 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 Hassall Grove address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Hassall Grove flood-prone?
Flood mapping covers Hassall Grove and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 7%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Hassall Grove bushfire-prone?
Yes - around 10% of Hassall Grove is mapped as bushfire-prone, compared with a Blacktown average of 21%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Hassall Grove?
The dominant planning zone in Hassall Grove is Low Density Residential, though the suburb also includes Public Recreation and Infrastructure. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Hassall Grove have heritage-listed places?
Hassall Grove has 2 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 Hassall Grove?
Across 1,289 surveyed parcels in Hassall Grove, the median lot size is about 556 m².
Does Hassall Grove have a train station?
There is no train station inside Hassall Grove itself. The suburb is served by 43 bus stops.
What is the population of Hassall Grove?
At the 2021 Census Hassall Grove had 4,401 usual residents, with a median age of 32 and an average household size of 3.3 people. The wider Hassall Grove - Plumpton statistical area, which contains Hassall Grove, went from 18,107 people in 2001 to 21,657 in 2025, up 20%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Hassall Grove alone.
Is Hassall Grove an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Hassall Grove scores 958 and sits in decile 4 of 10 nationally and decile 3 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 Hassall Grove?
Median household income in Hassall Grove was $2,018 a week at the 2021 Census, against $2,117 for the typical suburb in Blacktown. Median rent was $410 a week and the median mortgage repayment $2,000 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Hassall Grove property?
A Hassall Grove 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 |
|---|---|---|---|
| Oakhurst | 0.7 km | 0% | 2% |
| Bidwill | 1.6 km | 0% | 6% |
| Colebee | 1.8 km | 18% | 53% |
| Dean Park | 2.0 km | 0% | 29% |
| Hebersham | 2.1 km | 0% | 0% |
| Plumpton | 2.3 km | 0% | 10% |
| Blackett | 2.3 km | 0% | 0% |
| Glendenning | 2.3 km | 0% | 18% |
| Dharruk | 2.9 km | 0% | 0% |
| Shalvey | 3.0 km | 0% | 8% |