Algester flood map & planning overlays
A planning-constraint profile of Algester (Brisbane City, QLD) - 3.63 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
3.63 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Algester'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.
Algester 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 3,969 Algester properties.
Lot-level readout
Flood-risk rating across all 3,969 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Algester.
Algester at a glance
How Algester is zoned
Selling in Algester? 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 3.63 km², Algester is highly constrained by planning overlays. About 13% of the suburb sits within a mapped flood overlay, and 21% is flagged bushfire-prone. The dominant land-use zone is Low density residential. The terrain is gently undulating, and the median lot measures about 604 m² across 3,590 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 Algester
Census 2021 figures published by the ABS for the Algester 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 984, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Algester's 9,020 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Algester, the wider ABS statistical area containing Algester. There is no annual population series published at suburb level, so this describes the surrounding area rather than Algester itself.
7,006 in 2001 to 10,205 in 2025, up 46%.
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 Algester 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 →Algester planning - frequently asked
Where can I see a flood map of Algester?
The schematic on this page is a Algester flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 13% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Algester address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Algester flood-prone?
About 13% of Algester falls within a mapped flood overlay, against a Brisbane City average of 40%. Looking lot by lot, 4% of the 3,969 properties we analysed in Algester carry some level of mapped flood risk, including 36 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 Algester bushfire-prone?
Yes - around 21% of Algester 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 Algester?
The dominant planning zone in Algester is Low density residential, though the suburb also includes Emerging community and Open space (District). Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Algester have heritage-listed places?
No heritage-listed places are on record within Algester. Even so, it is worth confirming for an individual property before any works.
Is Algester hilly or flat?
Algester is gently undulating: the median lot slope is about 6%. Ground level runs from roughly 17 m to 71 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 Algester?
Across 3,590 surveyed parcels in Algester, the median lot size is about 604 m². There are also 266 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 Algester have a train station?
There is no train station inside Algester itself. The suburb is served by 31 bus stops.
What is the population of Algester?
At the 2021 Census Algester had 9,020 usual residents, with a median age of 36 and an average household size of 2.8 people. The wider Algester statistical area, which contains Algester, went from 7,006 people in 2001 to 10,205 in 2025, up 46%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Algester alone.
Is Algester an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Algester scores 984 and sits in decile 5 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.
What is the median household income in Algester?
Median household income in Algester was $1,716 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $395 a week and the median mortgage repayment $1,750 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Algester property?
A Algester 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.