Sydenham flood risk
Of Sydenham’s 765 mapped properties, 27.7% are in a mapped flood area and 0% are in a bushfire hazard area.
For context, Sydenham’s flood exposure is above the NSW average of 5%, and bushfire exposure is below the NSW average of 16.4%.
Where the hazards are in Sydenham
Flood and bushfire areas across Sydenham. Zoom in to see how they fall relative to individual streets.
Crime near Sydenham
Sydenham sits in the Inner West council area, which recorded 11,721 reported offences in the 12 months to Mar 2026.
Every reported offence by type — these add up to the 11,721 total. Figures are for the whole Inner West council area (which may cover several suburbs), last 12 months. Reported offences only.
Property values in Sydenham
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 Sydenham 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 Sydenham
Sydenham is mostly residential. The most common zones:
Low density residential — mostly detached houses on standard suburban blocks.
Zone: Low Density Residential
General residential — standard housing; allowable density varies by precinct.
Zone: Neighbourhood Centre
Open space / recreation — parks and sporting land; not for housing.
Zone: Public Recreation
School catchments in Sydenham
Sydenham can span more than one catchment — check a specific address (below) for the exact school.
Who lives in Sydenham
At the 2021 Census, 38.6% of Sydenham’s 1,100 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 Sydenham
Inner West council approved 1,160 new dwellings in the 12 months to May 2026.
New dwellings approved across the whole Inner West council area (not just Sydenham). 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.