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Sylvania Waters flood risk

Of Sylvania Waters’s 1,263 mapped properties, 0.2% are in a mapped flood area and 0% are in a bushfire hazard area.

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

0.2%
In a flood area
0%
In a bushfire area
1,263
Mapped properties

Where the hazards are in Sylvania Waters

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

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Crime near Sylvania Waters

Sylvania Waters sits in the Sutherland council area, which recorded 10,806 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 10,806 total. Figures are for the whole Sutherland council area (which may cover several suburbs), last 12 months. Reported offences only.

Property values in Sylvania Waters

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

Houses
$2,125,000+9.54%
Postcode-area median · Q4 2025
Units & apartments
$1,183,000+3.73%
Postcode-area median · Q4 2025

Indicative postcode-area estimate — NSW medians are reported by postcode, so Sylvania Waters 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 Sylvania Waters

Sylvania Waters is mostly residential. The most common zones:

Residential74.3% of properties

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

Zone: Low Density Residential

Residential15.3% of properties

High density residential — apartments and higher-rise living, usually near centres or transport.

Zone: High Density Residential

Residential6.2% of properties

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

Zone: Neighbourhood Centre

School catchments in Sylvania Waters

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

Who lives in Sylvania Waters

At the 2021 Census, 31.5% of Sylvania Waters’s 3,200 residents were born overseas.

Top ancestries

English21.8%
Australian19.8%
Greek13.8%
Chinese13.5%
Irish6.7%
Italian6.6%

Top countries of birth

China6.2%
Hong Kong2.1%
Greece1.9%
England1.8%
Egypt1.7%
Italy1.2%

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

Development near Sylvania Waters

Sutherland council approved 1,314 new dwellings in the 12 months to May 2026.

1,314
Dwellings/yr
215
Houses
1,099
Units
01,0002,0002020202120222023202420252026

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

Risk varies property by property. Check a specific Sylvania Waters 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.