Chain Valley Bay zoning & planning overlays
A planning-constraint profile of Chain Valley Bay (Central Coast, NSW) - 5.92 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
5.92 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 Chain Valley Bay'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.
Chain Valley Bay at a glance
How Chain Valley Bay is zoned
Buying in Chain Valley Bay? 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 5.92 km², Chain Valley Bay 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, 90% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 567 m² across 876 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 Chain Valley Bay
Census 2021 figures published by the ABS for the Chain Valley Bay 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 887, and decile 1 within New South Wales. The national average is 1000.
Age profile
Share of Chain Valley Bay's 2,773 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Lake Munmorah - Mannering Park, the wider ABS statistical area containing Chain Valley Bay. There is no annual population series published at suburb level, so this describes the surrounding area rather than Chain Valley Bay itself.
9,041 in 2001 to 11,084 in 2025, up 23%.
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.
Chain Valley Bay 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 Chain Valley Bay 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 →Chain Valley Bay planning - frequently asked
Is Chain Valley Bay flood-prone?
We don't yet hold flood mapping covering Chain Valley Bay, 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 Chain Valley Bay bushfire-prone?
Yes - around 90% of Chain Valley Bay 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 Chain Valley Bay?
The dominant planning zone in Chain Valley Bay is National Parks and Nature Reserves, though the suburb also includes Environmental Conservation and Low Density Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Chain Valley Bay have heritage-listed places?
Chain Valley Bay 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 Chain Valley Bay?
Across 876 surveyed parcels in Chain Valley Bay, the median lot size is about 567 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 Chain Valley Bay have a train station?
There is no train station inside Chain Valley Bay itself. The suburb is served by 32 bus stops.
What is the population of Chain Valley Bay?
At the 2021 Census Chain Valley Bay had 2,773 usual residents, with a median age of 63 and an average household size of 2.1 people. The wider Lake Munmorah - Mannering Park statistical area, which contains Chain Valley Bay, went from 9,041 people in 2001 to 11,084 in 2025, up 23%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Chain Valley Bay alone.
Is Chain Valley Bay an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Chain Valley Bay scores 887 and sits in decile 1 of 10 nationally and decile 1 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 Chain Valley Bay?
Median household income in Chain Valley Bay was $866 a week at the 2021 Census, against $1,735 for the typical suburb in Central Coast. Median rent was $370 a week and the median mortgage repayment $1,647 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Chain Valley Bay property?
A Chain Valley Bay 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 |
|---|---|---|---|
| Kingfisher Shores | 2.0 km | Not mapped | 94% |
| Crangan Bay Lake Macquarie |
2.0 km | Not mapped | 100% |
| Gwandalan | 2.8 km | Not mapped | 60% |
| Summerland Point | 2.9 km | Not mapped | 70% |
| Lake Munmorah | 3.2 km | Not mapped | 75% |
| Mannering Park | 3.2 km | Not mapped | 63% |
| Doyalson North | 3.3 km | Not mapped | 96% |
| Nords Wharf Lake Macquarie |
3.6 km | Not mapped | 88% |
| Freemans | 3.9 km | Not mapped | 100% |
| Moonee Lake Macquarie |
4.1 km | Not mapped | 94% |