Cordeaux Heights flood map & planning overlays
A planning-constraint profile of Cordeaux Heights (Wollongong, NSW) - 3.36 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
3.36 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Cordeaux Heights'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.
Cordeaux Heights at a glance
How Cordeaux Heights is zoned
Buying in Cordeaux Heights? 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 3.36 km², Cordeaux Heights is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 56% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Low Density Residential. The median lot measures about 769 m² across 1,576 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 Cordeaux Heights
Census 2021 figures published by the ABS for the Cordeaux Heights 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 1075, and decile 9 within New South Wales. The national average is 1000.
Age profile
Share of Cordeaux Heights's 4,460 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Unanderra - Mount Kembla, the wider ABS statistical area containing Cordeaux Heights. There is no annual population series published at suburb level, so this describes the surrounding area rather than Cordeaux Heights itself.
16,092 in 2001 to 15,414 in 2025, down 4%.
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.
Cordeaux Heights 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 Cordeaux Heights 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 →Cordeaux Heights planning - frequently asked
Where can I see a flood map of Cordeaux Heights?
The schematic on this page is a Cordeaux Heights 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 Cordeaux Heights address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Cordeaux Heights flood-prone?
Flood mapping covers Cordeaux Heights and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 4%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Cordeaux Heights bushfire-prone?
Yes - around 56% of Cordeaux Heights is mapped as bushfire-prone, compared with a Wollongong average of 56%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Cordeaux Heights?
The dominant planning zone in Cordeaux Heights is Low Density Residential, though the suburb also includes Environmental Management and Environmental Living. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Cordeaux Heights have heritage-listed places?
Cordeaux Heights has 1 heritage-listed place 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 Cordeaux Heights?
Across 1,576 surveyed parcels in Cordeaux Heights, the median lot size is about 769 m². There are also 10 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 Cordeaux Heights have a train station?
There is no train station inside Cordeaux Heights itself. The suburb is served by 76 bus stops.
What is the population of Cordeaux Heights?
At the 2021 Census Cordeaux Heights had 4,460 usual residents, with a median age of 41 and an average household size of 3.1 people. The wider Unanderra - Mount Kembla statistical area, which contains Cordeaux Heights, went from 16,092 people in 2001 to 15,414 in 2025, down 4%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Cordeaux Heights alone.
Is Cordeaux Heights an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Cordeaux Heights scores 1075 and sits in decile 10 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 Cordeaux Heights?
Median household income in Cordeaux Heights was $2,634 a week at the 2021 Census, against $1,912 for the typical suburb in Wollongong. Median rent was $495 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 Cordeaux Heights property?
A Cordeaux Heights 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 |
|---|---|---|---|
| Farmborough Heights | 1.8 km | 0% | 63% |
| Mount Kembla | 1.8 km | 0% | 95% |
| Unanderra | 2.2 km | 0% | 17% |
| Figtree | 2.3 km | 0% | 38% |
| Kembla Heights | 2.6 km | 0% | 100% |
| Kembla Grange | 3.3 km | 12% | 66% |
| Spring Hill | 3.7 km | 10% | 0% |
| Mount Saint Thomas | 3.9 km | 18% | 15% |
| West Wollongong | 4.2 km | <1% | 4% |
| Berkeley | 4.3 km | 0% | 42% |