Illawong planning overlays
A planning-constraint profile of Illawong (Sutherland Shire, NSW) - 5.93 km², mapped from live council and state overlay data. This suburb is highly constrained.
Constraint readout
5.93 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Illawong's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Illawong at a glance
How Illawong is zoned
Across its 5.93 km², Illawong is highly constrained by planning overlays. Very little of the suburb carries a mapped flood overlay, and 58% is flagged bushfire-prone. There are 26 heritage-listed sites on record, and the dominant land-use zone is Environmental Living. The median lot measures about 754 m² across 2,491 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Check a specific Illawong address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Illawong planning - frequently asked
Is Illawong flood-prone?
Very little of Illawong carries a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Illawong bushfire-prone?
Yes - around 58% of Illawong is mapped as bushfire-prone, compared with a Sutherland Shire average of 46%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Illawong?
The dominant planning zone in Illawong is Environmental Living, though the suburb also includes Environmental Conservation and Natural Waterways. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Illawong have heritage-listed places?
Illawong has 26 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Illawong?
Across 2,491 surveyed parcels in Illawong, the median lot size is about 754 m². There are also 89 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Illawong have a train station?
There is no train station inside Illawong itself. The suburb is served by 91 bus stops.
Do I need a planning report for a Illawong property?
A Illawong planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.