Flagstone flood map & planning overlays
A planning-constraint profile of Flagstone (Logan City, QLD) - 14.44 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
14.44 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Flagstone'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.
Flagstone 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 4,352 Flagstone properties.
Lot-level readout
Flood-risk rating across all 4,352 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Flagstone.
Flagstone at a glance
How Flagstone is zoned
Selling in Flagstone? 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 14.44 km², Flagstone is highly constrained by planning overlays. About 35% of the suburb sits within a mapped flood overlay, and 61% is flagged bushfire-prone. The dominant land-use zone is Priority Development. The terrain is gently undulating, and the median lot measures about 516 m² across 3,962 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 Flagstone
Census 2021 figures published by the ABS for the Flagstone 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 961, and decile 5 within Queensland. The national average is 1000.
Age profile
Share of Flagstone's 7,087 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Flagstone (East) - Riverbend, the wider ABS statistical area containing Flagstone. There is no annual population series published at suburb level, so this describes the surrounding area rather than Flagstone itself.
2,377 in 2001 to 7,190 in 2025, up 202%.
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 Flagstone 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 →Flagstone planning - frequently asked
Where can I see a flood map of Flagstone?
The schematic on this page is a Flagstone 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 Flagstone address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Flagstone flood-prone?
About 35% of Flagstone falls within a mapped flood overlay, against a Logan City average of 51%. Looking lot by lot, 16% of the 4,352 properties we analysed in Flagstone carry some level of mapped flood risk, including 299 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 Flagstone bushfire-prone?
Yes - around 61% of Flagstone 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 Flagstone?
The dominant planning zone in Flagstone is Priority Development, though the suburb also includes Low Density Residential and Rural Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Flagstone have heritage-listed places?
No heritage-listed places are on record within Flagstone. Even so, it is worth confirming for an individual property before any works.
Is Flagstone hilly or flat?
Flagstone is gently undulating: the median lot slope is about 5%. Ground level runs from roughly 35 m to 69 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 Flagstone?
Across 3,962 surveyed parcels in Flagstone, the median lot size is about 516 m². There are also 475 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 Flagstone have a train station?
There is no train station inside Flagstone itself. The suburb is served by 7 bus stops.
What is the population of Flagstone?
At the 2021 Census Flagstone had 7,087 usual residents, with a median age of 30 and an average household size of 3.3 people. The wider Flagstone (East) - Riverbend statistical area, which contains Flagstone, went from 2,377 people in 2001 to 7,190 in 2025, up 202%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Flagstone alone.
Is Flagstone an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Flagstone scores 961 and sits in decile 4 of 10 nationally and decile 5 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 Flagstone?
Median household income in Flagstone was $2,073 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $395 a week and the median mortgage repayment $1,820 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Flagstone property?
A Flagstone 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.