Glenworth Valley zoning & planning overlays
A planning-constraint profile of Glenworth Valley (Central Coast, NSW) - 22.86 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
22.86 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 Glenworth Valley'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.
Glenworth Valley at a glance
How Glenworth Valley is zoned
Buying in Glenworth Valley? 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 22.86 km², Glenworth Valley 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, 94% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Environmental Conservation. The median lot measures about 162,389 m² across 55 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 Glenworth Valley
Census 2021 figures published by the ABS for the Glenworth Valley 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 991, and decile 5 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Calga - Kulnura, the wider ABS statistical area containing Glenworth Valley. There is no annual population series published at suburb level, so this describes the surrounding area rather than Glenworth Valley itself.
4,793 in 2001 to 4,678 in 2025, down 2%.
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.
Glenworth Valley 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 Glenworth Valley 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 →Glenworth Valley planning - frequently asked
Is Glenworth Valley flood-prone?
We don't yet hold flood mapping covering Glenworth Valley, 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. Central Coast 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 Glenworth Valley bushfire-prone?
Yes - around 94% of Glenworth Valley is mapped as bushfire-prone, compared with a Central Coast average of 69%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Glenworth Valley?
The dominant planning zone in Glenworth Valley is Environmental Conservation, though the suburb also includes National Parks and Nature Reserves and Rural Landscape. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Glenworth Valley have heritage-listed places?
Glenworth Valley 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 Glenworth Valley?
Across 55 surveyed parcels in Glenworth Valley, the median lot size is about 162,389 m².
Is Glenworth Valley an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Glenworth Valley scores 991 and sits in decile 6 of 10 nationally and decile 5 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.
Do I need a planning report for a Glenworth Valley property?
A Glenworth Valley 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 |
|---|---|---|---|
| Greengrove | 3.7 km | Not mapped | 96% |
| Calga | 3.9 km | Not mapped | 96% |
| Lower Mangrove | 4.3 km | Not mapped | 93% |
| Mount White | 5.1 km | 0% | 95% |
| Wendoree Park | 5.6 km | 0% | 80% |
| Spencer | 6.1 km | 0% | 87% |
| Marlow | 6.6 km | 0% | 83% |
| Mooney Mooney Creek | 7.5 km | 0% | 93% |
| Mangrove Creek | 7.6 km | 0% | 100% |
| Peats Ridge | 8.5 km | Not mapped | 80% |