St Ives Chase zoning & planning overlays
A planning-constraint profile of St Ives Chase (Ku-Ring-Gai, NSW) - 3.48 km², mapped from live council and state overlay data. This suburb is highly constrained on the overlays we hold - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
3.48 km² - this suburb is highly constrained on the overlays we hold - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Elevation hillshade with street names, clipped to St Ives Chase's boundary, with the bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address. No flood layer is drawn because we hold no flood mapping for this area.
St Ives Chase at a glance
How St Ives Chase is zoned
Buying in St Ives Chase? 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 3.48 km², St Ives Chase is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 75% is flagged bushfire-prone. The dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 948 m² across 1,052 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 Ives Chase
Census 2021 figures published by the ABS for the St Ives Chase 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 1172, and decile 10 within New South Wales. The national average is 1000.
Age profile
Share of St Ives Chase's 3,283 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of St Ives, the wider ABS statistical area containing St Ives Chase. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Ives Chase itself.
18,171 in 2001 to 22,932 in 2025, up 26%.
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 Ives Chase 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 | Not 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 Ives Chase 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 Ives Chase planning - frequently asked
Is St Ives Chase flood-prone?
We don't yet hold flood mapping covering St Ives Chase, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Ku-Ring-Gai is the authority to check for flood mapping in this area. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is St Ives Chase bushfire-prone?
Yes - around 75% of St Ives Chase is mapped as bushfire-prone, compared with a Ku-Ring-Gai average of 46%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in St Ives Chase?
The dominant planning zone in St Ives Chase is National Parks and Nature Reserves, though the suburb also includes Environmental Conservation and Environmental Living. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does St Ives Chase have heritage-listed places?
No heritage-listed places are on record within St Ives Chase. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in St Ives Chase?
Across 1,052 surveyed parcels in St Ives Chase, the median lot size is about 948 m². There are also 2 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 Ives Chase have a train station?
There is no train station inside St Ives Chase itself. The suburb is served by 38 bus stops.
What is the population of St Ives Chase?
At the 2021 Census St Ives Chase had 3,283 usual residents, with a median age of 42 and an average household size of 3.2 people. The wider St Ives statistical area, which contains St Ives Chase, went from 18,171 people in 2001 to 22,932 in 2025, up 26%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than St Ives Chase alone.
Is St Ives Chase an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Ives Chase scores 1172 and sits in decile 10 of 10 nationally and decile 10 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 Ives Chase?
Median household income in St Ives Chase was $3,306 a week at the 2021 Census, against $3,189 for the typical suburb in Ku-Ring-Gai. Median rent was $950 a week and the median mortgage repayment $4,223 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a St Ives Chase property?
A St Ives Chase 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 |
|---|---|---|---|
| North Turramurra | 1.8 km | 0% | 86% |
| St Ives | 2.5 km | Not mapped | 58% |
| North Wahroonga | 3.3 km | 0% | 87% |
| Duffys Forest Northern Beaches |
4.2 km | Not mapped | 73% |
| Belrose Northern Beaches |
4.6 km | Not mapped | 80% |
| Davidson Northern Beaches |
4.7 km | Not mapped | 76% |
| Asquith Hornsby |
4.8 km | 0% | 52% |
| Turramurra | 4.9 km | Not mapped | 27% |
| Warrawee | 4.9 km | 0% | 2% |
| Pymble | 5.2 km | Not mapped | 18% |