Constitution Hill flood map & planning overlays
A planning-constraint profile of Constitution Hill (City Of Parramatta, NSW) - 1.23 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
1.23 km² - this suburb is relatively unconstrained by planning overlays.
Elevation hillshade with street names, clipped to Constitution Hill'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.
Constitution Hill at a glance
How Constitution Hill is zoned
Buying in Constitution Hill? 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 1.23 km², Constitution Hill is relatively unconstrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay. There are 3 heritage-listed sites on record, and the dominant land-use zone is Low Density Residential. The median lot measures about 580 m² across 1,125 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 Constitution Hill
Census 2021 figures published by the ABS for the Constitution Hill 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 998, and decile 6 within New South Wales. The national average is 1000.
Age profile
Share of Constitution Hill's 4,030 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Toongabbie - Constitution Hill, the wider ABS statistical area containing Constitution Hill. There is no annual population series published at suburb level, so this describes the surrounding area rather than Constitution Hill itself.
19,164 in 2001 to 23,933 in 2025, up 25%.
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.
Constitution Hill 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 Constitution Hill 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 →Constitution Hill planning - frequently asked
Where can I see a flood map of Constitution Hill?
The schematic on this page is a Constitution Hill 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 Constitution Hill address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Constitution Hill flood-prone?
Flood mapping covers Constitution Hill and none of the suburb falls within a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Constitution Hill bushfire-prone?
Bushfire mapping covers Constitution Hill and little to none of it is mapped as bushfire-prone (the City Of Parramatta average is 6%). Always confirm for the exact lot, as mapping can change.
What is the zoning in Constitution Hill?
The dominant planning zone in Constitution Hill 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 Constitution Hill have heritage-listed places?
Constitution Hill has 3 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 Constitution Hill?
Across 1,125 surveyed parcels in Constitution Hill, the median lot size is about 580 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 Constitution Hill have a train station?
There is no train station inside Constitution Hill itself. The suburb is served by 33 bus stops.
What is the population of Constitution Hill?
At the 2021 Census Constitution Hill had 4,030 usual residents, with a median age of 38 and an average household size of 2.8 people. The wider Toongabbie - Constitution Hill statistical area, which contains Constitution Hill, went from 19,164 people in 2001 to 23,933 in 2025, up 25%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Constitution Hill alone.
Is Constitution Hill an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Constitution Hill scores 998 and sits in decile 6 of 10 nationally and decile 6 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 Constitution Hill?
Median household income in Constitution Hill was $1,706 a week at the 2021 Census, against $1,993 for the typical suburb in City Of Parramatta. Median rent was $410 a week and the median mortgage repayment $2,167 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Constitution Hill property?
A Constitution Hill 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 |
|---|---|---|---|
| Old Toongabbie | 0.9 km | 0% | 2% |
| Toongabbie | 1.6 km | 0% | 0% |
| Wentworthville Cumberland |
1.7 km | Not mapped | 0% |
| Winston Hills | 1.9 km | 0% | 9% |
| Westmead Cumberland |
2.0 km | Not mapped | 0% |
| Pendle Hill Cumberland |
2.2 km | Not mapped | 0% |
| Northmead | 2.3 km | 0% | 22% |
| Girraween Cumberland |
2.9 km | 0% | 0% |
| North Parramatta | 3.0 km | Not mapped | 30% |
| South Wentworthville Cumberland |
3.2 km | Not mapped | 0% |