Gregory Hills flood map & planning overlays
A planning-constraint profile of Gregory Hills (Camden, NSW) - 4.63 km², mapped from live council and state overlay data. This suburb is moderately constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
4.63 km² - this suburb is moderately constrained by planning overlays.
Elevation hillshade with street names, clipped to Gregory Hills'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.
Gregory Hills at a glance
How Gregory Hills is zoned
Buying in Gregory Hills? 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 4.63 km², Gregory Hills is moderately constrained by planning overlays. About 2% of the suburb sits within a mapped flood overlay, and 26% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is General Residential. The median lot measures about 375 m² across 3,717 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 Gregory Hills
Census 2021 figures published by the ABS for the Gregory Hills 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 1065, and decile 9 within New South Wales. The national average is 1000.
Age profile
Share of Gregory Hills's 9,142 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Gledswood Hills - Gregory Hills, the wider ABS statistical area containing Gregory Hills. There is no annual population series published at suburb level, so this describes the surrounding area rather than Gregory Hills itself.
37 in 2001 to 20,313 in 2025, up 54800%.
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.
Gregory Hills 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 Gregory Hills 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 →Gregory Hills planning - frequently asked
Where can I see a flood map of Gregory Hills?
The schematic on this page is a Gregory Hills flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 2% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Gregory Hills address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Gregory Hills flood-prone?
About 2% of Gregory Hills 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 Gregory Hills bushfire-prone?
Yes - around 26% of Gregory Hills is mapped as bushfire-prone, compared with a Camden average of 44%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Gregory Hills?
The dominant planning zone in Gregory Hills is General Residential, though the suburb also includes Rural Landscape and Environmental Management. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Gregory Hills have heritage-listed places?
Gregory Hills 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 Gregory Hills?
Across 3,717 surveyed parcels in Gregory Hills, the median lot size is about 375 m². There are also 4 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 Gregory Hills have a train station?
There is no train station inside Gregory Hills itself. The suburb is served by 54 bus stops.
What is the population of Gregory Hills?
At the 2021 Census Gregory Hills had 9,142 usual residents, with a median age of 30 and an average household size of 3.2 people. The wider Gledswood Hills - Gregory Hills statistical area, which contains Gregory Hills, went from 37 people in 2001 to 20,313 in 2025, up 54800%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Gregory Hills alone.
Is Gregory Hills an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gregory Hills scores 1065 and sits in decile 9 of 10 nationally and decile 9 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 Gregory Hills?
Median household income in Gregory Hills was $2,406 a week at the 2021 Census, against $2,294 for the typical suburb in Camden. Median rent was $520 a week and the median mortgage repayment $2,554 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Gregory Hills property?
A Gregory Hills 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 |
|---|---|---|---|
| Currans Hill | 1.6 km | 0% | 45% |
| Smeaton Grange | 1.8 km | 0% | 9% |
| Gledswood Hills | 2.0 km | 3% | 28% |
| Eschol Park Campbelltown |
2.3 km | 0% | 61% |
| Kearns Campbelltown |
2.7 km | 0% | 61% |
| Blairmount Campbelltown |
2.7 km | 0% | 92% |
| Eagle Vale Campbelltown |
3.4 km | 0% | 11% |
| Claymore Campbelltown |
3.5 km | 0% | 12% |
| Narellan Vale | 3.6 km | 0% | 6% |
| Harrington Park | 3.7 km | 0% | 54% |