Gumdale flood map & planning overlays
A planning-constraint profile of Gumdale (Brisbane City, QLD) - 4.54 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
4.54 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Gumdale'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.
Gumdale 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 837 Gumdale properties.
Lot-level readout
Flood-risk rating across all 837 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Gumdale.
Gumdale at a glance
How Gumdale is zoned
Selling in Gumdale? 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 4.54 km², Gumdale is highly constrained by planning overlays. About 35% of the suburb sits within a mapped flood overlay, and 83% is flagged bushfire-prone. The dominant land-use zone is Environmental management. The terrain is gently undulating, and the median lot measures about 745 m² across 784 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 Gumdale
Census 2021 figures published by the ABS for the Gumdale 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 1142, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Gumdale's 2,298 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Belmont - Gumdale, the wider ABS statistical area containing Gumdale. There is no annual population series published at suburb level, so this describes the surrounding area rather than Gumdale itself.
6,618 in 2001 to 7,965 in 2025, up 20%.
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 Gumdale 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 →Gumdale planning - frequently asked
Where can I see a flood map of Gumdale?
The schematic on this page is a Gumdale flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 35% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Gumdale address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Gumdale flood-prone?
About 35% of Gumdale falls within a mapped flood overlay, against a Brisbane City average of 40%. Looking lot by lot, 20% of the 837 properties we analysed in Gumdale carry some level of mapped flood risk, including 144 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 Gumdale bushfire-prone?
Yes - around 83% of Gumdale 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 Gumdale?
The dominant planning zone in Gumdale is Environmental management, though the suburb also includes Emerging community and Low density residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Gumdale have heritage-listed places?
No heritage-listed places are on record within Gumdale. Even so, it is worth confirming for an individual property before any works.
Is Gumdale hilly or flat?
Gumdale is gently undulating: the median lot slope is about 4%. Ground level runs from roughly 4 m to 35 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 Gumdale?
Across 784 surveyed parcels in Gumdale, the median lot size is about 745 m². There are also 75 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 Gumdale have a train station?
There is no train station inside Gumdale itself. The suburb is served by 17 bus stops.
What is the population of Gumdale?
At the 2021 Census Gumdale had 2,298 usual residents, with a median age of 38 and an average household size of 3.4 people. The wider Belmont - Gumdale statistical area, which contains Gumdale, went from 6,618 people in 2001 to 7,965 in 2025, up 20%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Gumdale alone.
Is Gumdale an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gumdale scores 1142 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 Gumdale?
Median household income in Gumdale was $3,405 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $585 a week and the median mortgage repayment $2,669 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Gumdale property?
A Gumdale 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.