Grey River flood map & planning overlays
A planning-constraint profile of Grey River (Colac Otway, VIC) - 0.41 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
0.41 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Grey River'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.
Grey River at a glance
How Grey River is zoned
Selling in Grey River? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses - a $9 planning report pulls them at the lot level for any Grey River address.
Across its 0.41 km², Grey River is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Rural Conservation Zone (RCZ). The median lot measures about 840 m² across 13 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 Grey River 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 →Grey River planning - frequently asked
Where can I see a flood map of Grey River?
The schematic on this page is a Grey River flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Grey River address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Grey River flood-prone?
Flood mapping covers Grey River and none of the suburb falls within a mapped flood overlay (the Colac Otway average is 11%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Grey River bushfire-prone?
Yes - around 100% of Grey River is mapped as bushfire-prone, compared with a Colac Otway average of 97%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Grey River?
The dominant planning zone in Grey River is Rural Conservation Zone (RCZ), though the suburb also includes Transport Zone (TRZ2) and Public Conservation and Resource Zone (PCRZ). Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Grey River have heritage-listed places?
Grey River has 2 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 Grey River?
Across 13 surveyed parcels in Grey River, the median lot size is about 840 m². There are also 7 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.
Do I need a planning report for a Grey River property?
A Grey River 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.