Hemmant flood map & planning overlays
A planning-constraint profile of Hemmant (Brisbane City, QLD) - 6.75 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
6.75 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Hemmant'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.
Hemmant 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 2,060 Hemmant properties.
Lot-level readout
Flood-risk rating across all 2,060 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Hemmant.
Hemmant at a glance
How Hemmant is zoned
Selling in Hemmant? 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 6.75 km², Hemmant is highly constrained by planning overlays. About 91% of the suburb sits within a mapped flood overlay. There are 13 heritage-listed sites on record, and the dominant land-use zone is General industry C. The terrain is largely flat, and the median lot measures about 434 m² across 1,909 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 Hemmant
Census 2021 figures published by the ABS for the Hemmant 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 1007, and decile 8 within Queensland. The national average is 1000.
Age profile
Share of Hemmant's 2,886 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Wynnum West - Hemmant, the wider ABS statistical area containing Hemmant. There is no annual population series published at suburb level, so this describes the surrounding area rather than Hemmant itself.
12,770 in 2001 to 17,027 in 2025, up 33%.
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 Hemmant 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 →Hemmant planning - frequently asked
Where can I see a flood map of Hemmant?
The schematic on this page is a Hemmant flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 91% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Hemmant address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Hemmant flood-prone?
About 91% of Hemmant falls within a mapped flood overlay, against a Brisbane City average of 40%. Looking lot by lot, 59% of the 2,060 properties we analysed in Hemmant carry some level of mapped flood risk, including 590 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Hemmant bushfire-prone?
Bushfire mapping covers Hemmant and little to none of it is mapped as bushfire-prone (the Brisbane City average is 27%). Always confirm for the exact lot, as mapping can change.
What is the zoning in Hemmant?
The dominant planning zone in Hemmant is General industry C, though the suburb also includes Environmental management and Rural residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Hemmant have heritage-listed places?
Hemmant has 13 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.
Is Hemmant hilly or flat?
Hemmant is largely flat: the median lot slope is about 2%. Ground level runs from roughly 1 m to 17 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 Hemmant?
Across 1,909 surveyed parcels in Hemmant, the median lot size is about 434 m². There are also 437 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 Hemmant have a train station?
Yes - Hemmant has 1 train station: Hemmant station.
What is the population of Hemmant?
At the 2021 Census Hemmant had 2,886 usual residents, with a median age of 36 and an average household size of 2.7 people. The wider Wynnum West - Hemmant statistical area, which contains Hemmant, went from 12,770 people in 2001 to 17,027 in 2025, up 33%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Hemmant alone.
Is Hemmant an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Hemmant scores 1007 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.
What is the median household income in Hemmant?
Median household income in Hemmant was $2,141 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $430 a week and the median mortgage repayment $2,000 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Hemmant property?
A Hemmant 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.