Carbrook flood map & planning overlays
A planning-constraint profile of Carbrook (Logan City, QLD) - 22.38 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
22.38 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Carbrook'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.
Carbrook 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 517 Carbrook properties.
Lot-level readout
Flood-risk rating across all 517 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Carbrook.
Carbrook at a glance
How Carbrook is zoned
Selling in Carbrook? 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 22.38 km², Carbrook is highly constrained by planning overlays. About 77% of the suburb sits within a mapped flood overlay, and 80% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Environmental Management and Conservation. The terrain is gently undulating, and the median lot measures about 21,258 m² across 433 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 Carbrook
Census 2021 figures published by the ABS for the Carbrook 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 1014, and decile 8 within Queensland. The national average is 1000.
Age profile
Share of Carbrook's 1,330 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Cornubia - Carbrook, the wider ABS statistical area containing Carbrook. There is no annual population series published at suburb level, so this describes the surrounding area rather than Carbrook itself.
7,477 in 2001 to 9,471 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 Carbrook 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 →Carbrook planning - frequently asked
Where can I see a flood map of Carbrook?
The schematic on this page is a Carbrook flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 77% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Carbrook address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Carbrook flood-prone?
About 77% of Carbrook falls within a mapped flood overlay, against a Logan City average of 51%. Looking lot by lot, 72% of the 517 properties we analysed in Carbrook carry some level of mapped flood risk, including 249 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 Carbrook bushfire-prone?
Yes - around 80% of Carbrook is mapped as bushfire-prone, compared with a Logan City average of 54%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Carbrook?
The dominant planning zone in Carbrook is Environmental Management and Conservation, though the suburb also includes Rural and Community Facilities. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Carbrook have heritage-listed places?
Carbrook has 2 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 Carbrook hilly or flat?
Carbrook is gently undulating: the median lot slope is about 4%. Ground level runs from roughly 1 m to 29 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 Carbrook?
Across 433 surveyed parcels in Carbrook, the median lot size is about 21,258 m². There are also 58 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 Carbrook have a train station?
There is no train station inside Carbrook itself. The suburb is served by 1 bus stop.
What is the population of Carbrook?
At the 2021 Census Carbrook had 1,330 usual residents, with a median age of 46 and an average household size of 2.8 people. The wider Cornubia - Carbrook statistical area, which contains Carbrook, went from 7,477 people in 2001 to 9,471 in 2025, up 27%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Carbrook alone.
Is Carbrook an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Carbrook scores 1014 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 Carbrook?
Median household income in Carbrook was $1,989 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $375 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 Carbrook property?
A Carbrook 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.