Sylvania flood & bushfire report
Of Sylvania’s 6,960 mapped properties, 0% are in a mapped flood area and 0% are in a bushfire hazard area.
For context, Sylvania’s flood exposure is below the NSW average of 5%, and bushfire exposure is below the NSW average of 16.4%.
Crime near Sylvania
Sylvania sits in the Sutherland council area, which recorded 10,806 reported offences in the 12 months to Mar 2026.
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
Median sale price by property type, reported by postcode area — suburbs sharing a postcode show the same figure.
Indicative postcode-area estimate — NSW medians are reported by postcode, so Sylvania 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
Sylvania is mostly residential. The most common zones:
Low density residential — mostly detached houses on standard suburban blocks.
Zone: Low Density Residential
Medium density residential — townhouses, terraces and low-rise units (the “missing middle”).
Zone: Medium Density Residential
High density residential — apartments and higher-rise living, usually near centres or transport.
Zone: High Density Residential
School catchments in Sylvania
Sylvania can span more than one catchment — check a specific address (below) for the exact school.
Who lives in Sylvania
At the 2021 Census, 24.7% of Sylvania’s 10,749 residents were born overseas.
Top ancestries
Top countries of birth
Ancestry counts people reporting each ancestry (up to two each), as a share of responses. Source: ABS 2021 Census.
Development near Sylvania
Sutherland council approved 1,314 new dwellings in the 12 months to May 2026.
New dwellings approved across the whole Sutherland council area (not just Sylvania). See the council trend. Source: ABS Building Approvals.
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.