St Helens Park flood map & planning overlays
A planning-constraint profile of St Helens Park (Campbelltown, NSW) - 5.14 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
5.14 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Helens Park'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.
St Helens Park at a glance
How St Helens Park is zoned
Buying in St Helens Park? 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 5.14 km², St Helens Park is highly constrained by planning overlays. About 8% of the suburb sits within a mapped flood overlay, and 73% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Public Recreation. The median lot measures about 561 m² across 2,251 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 St Helens Park
Census 2021 figures published by the ABS for the St Helens Park 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 944, and decile 3 within New South Wales. The national average is 1000.
Age profile
Share of St Helens Park's 6,647 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Bradbury - Wedderburn, the wider ABS statistical area containing St Helens Park. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Helens Park itself.
19,619 in 2001 to 21,000 in 2025, up 7%.
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.
St Helens Park 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 St Helens Park 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 →St Helens Park planning - frequently asked
Where can I see a flood map of St Helens Park?
The schematic on this page is a St Helens Park flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 8% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any St Helens Park address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is St Helens Park flood-prone?
About 8% of St Helens Park falls within a mapped flood overlay, against the council-wide suburb average of 1%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is St Helens Park bushfire-prone?
Yes - around 73% of St Helens Park is mapped as bushfire-prone, compared with a Campbelltown average of 49%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in St Helens Park?
The dominant planning zone in St Helens Park is Public Recreation, though the suburb also includes Low Density Residential and Infrastructure. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does St Helens Park have heritage-listed places?
St Helens Park has 5 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 St Helens Park?
Across 2,251 surveyed parcels in St Helens Park, the median lot size is about 561 m². There are also 5 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 St Helens Park have a train station?
There is no train station inside St Helens Park itself. The suburb is served by 80 bus stops.
What is the population of St Helens Park?
At the 2021 Census St Helens Park had 6,647 usual residents, with a median age of 33 and an average household size of 3.0 people. The wider Bradbury - Wedderburn statistical area, which contains St Helens Park, went from 19,619 people in 2001 to 21,000 in 2025, up 7%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than St Helens Park alone.
Is St Helens Park an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Helens Park scores 944 and sits in decile 3 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 St Helens Park?
Median household income in St Helens Park was $1,850 a week at the 2021 Census, against $1,797 for the typical suburb in Campbelltown. Median rent was $400 a week and the median mortgage repayment $1,966 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a St Helens Park property?
A St Helens Park 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 |
|---|---|---|---|
| Rosemeadow | 1.9 km | 14% | 9% |
| Ambarvale | 2.4 km | 4% | 1% |
| Bradbury | 2.4 km | <1% | 6% |
| Airds | 2.9 km | 4% | 50% |
| Englorie Park | 3.2 km | 0% | 14% |
| Glen Alpine | 3.6 km | 0% | 9% |
| Wedderburn | 4.3 km | 0% | 100% |
| Gilead | 4.4 km | 0% | 99% |
| Campbelltown | 4.6 km | 0% | 31% |
| Ruse | 4.9 km | <1% | 45% |