Bahrs Scrub flood map & planning overlays
A planning-constraint profile of Bahrs Scrub (Logan City, QLD) - 9.84 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
9.84 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Bahrs Scrub'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.
Bahrs Scrub 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 3,276 Bahrs Scrub properties.
Lot-level readout
Flood-risk rating across all 3,276 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Bahrs Scrub.
Bahrs Scrub at a glance
How Bahrs Scrub is zoned
Selling in Bahrs Scrub? 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 9.84 km², Bahrs Scrub is highly constrained by planning overlays. About 27% of the suburb sits within a mapped flood overlay, and 90% is flagged bushfire-prone. The dominant land-use zone is Emerging Community. The terrain is gently undulating, and the median lot measures about 454 m² across 3,024 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 Bahrs Scrub
Census 2021 figures published by the ABS for the Bahrs Scrub 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 988, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Bahrs Scrub's 4,508 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Wolffdene - Bahrs Scrub, the wider ABS statistical area containing Bahrs Scrub. There is no annual population series published at suburb level, so this describes the surrounding area rather than Bahrs Scrub itself.
4,163 in 2001 to 12,765 in 2025, up 207%.
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 Bahrs Scrub 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 →Bahrs Scrub planning - frequently asked
Where can I see a flood map of Bahrs Scrub?
The schematic on this page is a Bahrs Scrub flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 27% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Bahrs Scrub address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Bahrs Scrub flood-prone?
About 27% of Bahrs Scrub falls within a mapped flood overlay, against a Logan City average of 51%. Looking lot by lot, 14% of the 3,276 properties we analysed in Bahrs Scrub carry some level of mapped flood risk, including 260 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 Bahrs Scrub bushfire-prone?
Yes - around 90% of Bahrs Scrub 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 Bahrs Scrub?
The dominant planning zone in Bahrs Scrub is Emerging Community, though the suburb also includes Environmental Management and Conservation and Low Density Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Bahrs Scrub have heritage-listed places?
No heritage-listed places are on record within Bahrs Scrub. Even so, it is worth confirming for an individual property before any works.
Is Bahrs Scrub hilly or flat?
Bahrs Scrub is gently undulating: the median lot slope is about 9%, and 15% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 12 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 Bahrs Scrub?
Across 3,024 surveyed parcels in Bahrs Scrub, the median lot size is about 454 m². There are also 828 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 Bahrs Scrub?
At the 2021 Census Bahrs Scrub had 4,508 usual residents, with a median age of 29 and an average household size of 2.9 people. The wider Wolffdene - Bahrs Scrub statistical area, which contains Bahrs Scrub, went from 4,163 people in 2001 to 12,765 in 2025, up 207%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Bahrs Scrub alone.
Is Bahrs Scrub an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Bahrs Scrub scores 988 and sits in decile 6 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 Bahrs Scrub?
Median household income in Bahrs Scrub was $2,100 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $420 a week and the median mortgage repayment $1,863 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Bahrs Scrub property?
A Bahrs Scrub 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.