Grange flood map & planning overlays
A planning-constraint profile of Grange (Brisbane City, QLD) - 1.76 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
1.76 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Grange'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.
Grange 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 2,143 Grange properties.
Lot-level readout
Flood-risk rating across all 2,143 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Grange.
Grange at a glance
How Grange is zoned
Selling in Grange? 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 1.76 km², Grange is highly constrained by planning overlays. About 17% of the suburb sits within a mapped flood overlay, and 24% is flagged bushfire-prone. There are 9 heritage-listed sites on record, and the dominant land-use zone is Character residential (Character). The terrain is gently undulating, and the median lot measures about 443 m² across 1,956 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 Grange
Census 2021 figures published by the ABS for the Grange 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 1150, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Grange's 4,615 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Grange, the wider ABS statistical area containing Grange. There is no annual population series published at suburb level, so this describes the surrounding area rather than Grange itself.
3,811 in 2001 to 4,942 in 2025, up 30%.
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 Grange 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 →Grange planning - frequently asked
Where can I see a flood map of Grange?
The schematic on this page is a Grange flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 17% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Grange address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Grange flood-prone?
About 17% of Grange falls within a mapped flood overlay, against a Brisbane City average of 40%. Looking lot by lot, 7% of the 2,143 properties we analysed in Grange carry some level of mapped flood risk, including 22 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 Grange bushfire-prone?
Yes - around 24% of Grange is mapped as bushfire-prone, compared with a Brisbane City average of 27%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Grange?
The dominant planning zone in Grange is Character residential (Character), though the suburb also includes Low density residential and Conservation (Metropolitan). Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Grange have heritage-listed places?
Grange has 9 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 Grange hilly or flat?
Grange is gently undulating: the median lot slope is about 8%, and 12% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 16 m to 60 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 Grange?
Across 1,956 surveyed parcels in Grange, the median lot size is about 443 m². There are also 84 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 Grange have a train station?
There is no train station inside Grange itself. The suburb is served by 32 bus stops.
What is the population of Grange?
At the 2021 Census Grange had 4,615 usual residents, with a median age of 37 and an average household size of 2.9 people. The wider Grange statistical area, which contains Grange, went from 3,811 people in 2001 to 4,942 in 2025, up 30%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Grange alone.
Is Grange an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Grange scores 1150 and sits in decile 10 of 10 nationally and decile 10 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 Grange?
Median household income in Grange was $3,278 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $460 a week and the median mortgage repayment $2,600 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Grange property?
A Grange 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.