Dee Why bushfire risk

Of Dee Why’s 17,817 mapped properties, 0% are in a mapped flood area and 4.7% are in a bushfire hazard area.

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

Check a specific Dee Why address

Risk varies property by property.

Hazard exposure

0%
Of properties in a flood area
4.7%
Of properties in a bushfire area
17,817
Mapped properties

Where the hazards are in Dee Why

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

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Crime near Dee Why

Dee Why sits in the Northern Beaches council area, which recorded 7,760 reported offences in the 12 months to Mar 2026.

Showing all crime — tap an offence type below to plot it over time.
01,0002,0002001200520092013201720212025

Every reported offence by type — these add up to the 7,760 total. Figures are for the whole Northern Beaches council area (which may cover several suburbs), last 12 months. Reported offences only.

Property values in Dee Why

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

Houses
$2,920,000+22.05%
Postcode-area median · January - March 2026
Units & apartments
$1,100,000+15.64%
Postcode-area median · January - March 2026

Indicative postcode-area estimate — NSW medians are reported by postcode, so Dee Why 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 Dee Why

Dee Why is mostly residential. The most common zones:

Residential58.3% of properties

Medium density residential — townhouses, terraces and low-rise units (the “missing middle”).

Zone: Medium Density Residential

Centre / commercial25.3% of properties

Centre / commercial — shops, offices and mixed use; often allows apartments above.

Zone: Mixed Use

Residential14.5% of properties

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

Zone: Low Density Residential

School catchments in Dee Why

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

Who lives in Dee Why

At the 2021 Census, 44.7% of Dee Why’s 23,354 residents were born overseas.

Top ancestries

English30.1%
Australian22.4%
Irish9.1%
Scottish7.7%
Italian6.9%
Chinese4.2%

Top countries of birth

England5.9%
Brazil4.2%
China3.6%
Nepal3.2%
India3.2%
New Zealand2.6%

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

Development near Dee Why

Northern Beaches council approved 625 new dwellings in the 12 months to Jun 2026.

625
Dwellings/yr
351
Houses
274
Units
05001,0002020202120222023202420252026

New dwellings approved across the whole Northern Beaches council area (not just Dee Why). See the council trend. Source: ABS Building Approvals.

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.