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Castlecrag bushfire risk

Of Castlecrag’s 1,252 mapped properties, 0% are in a mapped flood area and 28.6% are in a bushfire hazard area.

For context, Castlecrag’s flood exposure is below the NSW average of 5%, and bushfire exposure is above the NSW average of 16.4%.

0%
In a flood area
28.6%
In a bushfire area
1,252
Mapped properties

Where the hazards are in Castlecrag

Flood and bushfire areas across Castlecrag. Zoom in to see how they fall relative to individual streets.

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Crime near Castlecrag

Castlecrag sits in the Willoughby council area, which recorded 4,745 reported offences in the 12 months to Mar 2026.

Showing all crime — tap an offence type below to plot it over time.
03507002001200520092013201720212025

Every reported offence by type — these add up to the 4,745 total. Figures are for the whole Willoughby council area (which may cover several suburbs), last 12 months. Reported offences only.

Property values in Castlecrag

Median sale price by property type, reported by postcode area — suburbs sharing a postcode show the same figure.

Houses
$4,318,000+12.45%
Postcode-area median · Q4 2025
Units & apartments
$2,220,000+56.06%
Postcode-area median · Q4 2025

Indicative postcode-area estimate — NSW medians are reported by postcode, so Castlecrag shares this figure with nearby suburbs in the same postcode. Not a valuation of any specific property. Source: NSW DCJ Rent and Sales Report — sales tables (postcode).

Zoning in Castlecrag

Castlecrag is mostly environmental. The most common zones:

Environmental64.5% of properties

Environmental management — conservation land with strong limits on development.

Zone: Environmental Living

Residential26.4% of properties

Low density residential — mostly detached houses on standard suburban blocks.

Zone: Low Density Residential

Residential5.8% of properties

General residential — standard housing; allowable density varies by precinct.

Zone: Neighbourhood Centre

School catchments in Castlecrag

Castlecrag can span more than one catchment — check a specific address (below) for the exact school.

Who lives in Castlecrag

At the 2021 Census, 31.7% of Castlecrag’s 2,965 residents were born overseas.

Top ancestries

English36.5%
Australian27.4%
Irish13.7%
Chinese12.7%
Scottish12%
German4.7%

Top countries of birth

England5.9%
China3.4%
Hong Kong2%
New Zealand1.9%
United States1.7%
South Africa1.6%

Ancestry counts people reporting each ancestry (up to two each), as a share of responses. Source: ABS 2021 Census.

Development near Castlecrag

Willoughby council approved 174 new dwellings in the 12 months to May 2026.

174
Dwellings/yr
74
Houses
100
Units
03507002020202120222023202420252026

New dwellings approved across the whole Willoughby council area (not just Castlecrag). See the council trend. Source: ABS Building Approvals.

Risk varies property by property. Check a specific Castlecrag address:

Nearby suburbs

Figures are indicative only — verify any specific property with the relevant council. Sources: council/state planning schemes & flood mapping, Geoscape G-NAF, state police crime statistics, ABS.