Chambers Flat flood map & planning overlays
A planning-constraint profile of Chambers Flat (Logan City, QLD) - 22.0 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
22.0 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Chambers Flat'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.
Chambers Flat 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 1,553 Chambers Flat properties.
Lot-level readout
Flood-risk rating across all 1,553 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Chambers Flat.
Chambers Flat at a glance
How Chambers Flat is zoned
Selling in Chambers Flat? 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 22.0 km², Chambers Flat is highly constrained by planning overlays. About 81% of the suburb sits within a mapped flood overlay, and 71% is flagged bushfire-prone. The dominant land-use zone is Rural Residential. The terrain is largely flat, and the median lot measures about 9,907 m² across 1,142 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 Chambers Flat
Census 2021 figures published by the ABS for the Chambers Flat 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 944, and decile 4 within Queensland. The national average is 1000.
Age profile
Share of Chambers Flat's 2,718 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Chambers Flat - Logan Reserve, the wider ABS statistical area containing Chambers Flat. There is no annual population series published at suburb level, so this describes the surrounding area rather than Chambers Flat itself.
3,228 in 2001 to 16,875 in 2025, up 423%.
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 Chambers Flat 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 →Chambers Flat planning - frequently asked
Where can I see a flood map of Chambers Flat?
The schematic on this page is a Chambers Flat flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 81% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Chambers Flat address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Chambers Flat flood-prone?
About 81% of Chambers Flat falls within a mapped flood overlay, against a Logan City average of 51%. Looking lot by lot, 65% of the 1,553 properties we analysed in Chambers Flat carry some level of mapped flood risk, including 808 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 Chambers Flat bushfire-prone?
Yes - around 71% of Chambers Flat 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 Chambers Flat?
The dominant planning zone in Chambers Flat is Rural Residential, though the suburb also includes Rural and Emerging Community. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Chambers Flat have heritage-listed places?
No heritage-listed places are on record within Chambers Flat. Even so, it is worth confirming for an individual property before any works.
Is Chambers Flat hilly or flat?
Chambers Flat is largely flat: the median lot slope is about 3%. Ground level runs from roughly 13 m to 41 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 Chambers Flat?
Across 1,142 surveyed parcels in Chambers Flat, the median lot size is about 9,907 m². There are also 179 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.
What is the population of Chambers Flat?
At the 2021 Census Chambers Flat had 2,718 usual residents, with a median age of 47 and an average household size of 2.7 people. The wider Chambers Flat - Logan Reserve statistical area, which contains Chambers Flat, went from 3,228 people in 2001 to 16,875 in 2025, up 423%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Chambers Flat alone.
Is Chambers Flat an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Chambers Flat scores 944 and sits in decile 3 of 10 nationally and decile 4 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 Chambers Flat?
Median household income in Chambers Flat was $1,356 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $270 a week and the median mortgage repayment $1,950 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Chambers Flat property?
A Chambers Flat 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.