Grays Gate flood map & planning overlays
A planning-constraint profile of Grays Gate (Toowoomba Regional, QLD) - 29.8 km², mapped from live council and state overlay data. This suburb is relatively unconstrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
29.8 km² - this suburb is relatively unconstrained by planning overlays.
Elevation hillshade with street names, clipped to Grays Gate'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.
Grays Gate flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 48 Grays Gate properties.
Lot-level readout
Flood-risk rating across all 48 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Grays Gate.
Grays Gate at a glance
How Grays Gate is zoned
Selling in Grays Gate? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 29.8 km², Grays Gate is relatively unconstrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay. The dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 636,382 m² across 43 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.
Who lives in Grays Gate
Census 2021 figures published by the ABS for the Grays Gate suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1005, and decile 8 within Queensland. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Millmerran, the wider ABS statistical area containing Grays Gate. There is no annual population series published at suburb level, so this describes the surrounding area rather than Grays Gate itself.
3,413 in 2001 to 3,351 in 2025, down 2%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Check a specific Grays Gate 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 →Grays Gate planning - frequently asked
Where can I see a flood map of Grays Gate?
The schematic on this page is a Grays Gate 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 Grays Gate address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Grays Gate flood-prone?
Flood mapping covers Grays Gate and none of the suburb falls within a mapped flood overlay (the Toowoomba Regional average is 13%). Looking lot by lot, 0% of the 48 properties we analysed in Grays Gate carry some level of mapped flood risk. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Grays Gate bushfire-prone?
Bushfire mapping covers Grays Gate and little to none of it is mapped as bushfire-prone (the Toowoomba Regional average is 20%). Always confirm for the exact lot, as mapping can change.
What is the zoning in Grays Gate?
The dominant planning zone in Grays Gate is Rural, though the suburb also includes Unzoned. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Grays Gate have heritage-listed places?
No heritage-listed places are on record within Grays Gate. Even so, it is worth confirming for an individual property before any works.
Is Grays Gate hilly or flat?
Grays Gate is largely flat: the median lot slope is about 2%. Ground level runs from roughly 419 m to 468 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Grays Gate?
Across 43 surveyed parcels in Grays Gate, the median lot size is about 636,382 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.
Is Grays Gate an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Grays Gate scores 1005 and sits in decile 7 of 10 nationally and decile 8 within Queensland - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
Do I need a planning report for a Grays Gate property?
A Grays Gate 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.