St Aubyn flood map & planning overlays
A planning-constraint profile of St Aubyn (Toowoomba Regional, QLD) - 13.93 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
13.93 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Aubyn'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.
St Aubyn 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 18 St Aubyn properties.
Lot-level readout
Flood-risk rating across all 18 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in St Aubyn.
St Aubyn at a glance
How St Aubyn is zoned
Selling in St Aubyn? 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 13.93 km², St Aubyn is highly constrained by planning overlays. About 8% of the suburb sits within a mapped flood overlay, and 44% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 456,153 m² across 24 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 St Aubyn
Census 2021 figures published by the ABS for the St Aubyn 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 996, and decile 7 within Queensland. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Crows Nest - Rosalie, the wider ABS statistical area containing St Aubyn. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Aubyn itself.
7,766 in 2001 to 9,824 in 2025, up 27%.
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 St Aubyn 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 →St Aubyn planning - frequently asked
Where can I see a flood map of St Aubyn?
The schematic on this page is a St Aubyn flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 8% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any St Aubyn address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is St Aubyn flood-prone?
About 8% of St Aubyn falls within a mapped flood overlay, against a Toowoomba Regional average of 13%. Looking lot by lot, 0% of the 18 properties we analysed in St Aubyn 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 St Aubyn bushfire-prone?
Yes - around 44% of St Aubyn is mapped as bushfire-prone, compared with a Toowoomba Regional average of 20%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in St Aubyn?
The dominant planning zone in St Aubyn is Rural, though the suburb also includes Open Space. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does St Aubyn have heritage-listed places?
No heritage-listed places are on record within St Aubyn. Even so, it is worth confirming for an individual property before any works.
Is St Aubyn hilly or flat?
St Aubyn is gently undulating: the median lot slope is about 6%, and 11% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 406 m to 628 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 St Aubyn?
Across 24 surveyed parcels in St Aubyn, the median lot size is about 456,153 m².
Is St Aubyn an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Aubyn scores 996 and sits in decile 6 of 10 nationally and decile 7 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 St Aubyn property?
A St Aubyn 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.