Brassall flood map & planning overlays

A planning-constraint profile of Brassall (Ipswich City, QLD) - 8.2 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to Brassall'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.

Brassall 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 5,193 Brassall properties.

Brassall at a glance

Parcels 5,304 Median lot 670 m² Mapped easements 443 Bus stops 33

How Brassall is zoned

Low density residential 62%
Environmental management 16%
Recreation and open space 5%
Community facilities 4%
Conservation 4%
Medium density residential 3%

Selling in Brassall? 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 8.2 km², Brassall is highly constrained by planning overlays. About 60% of the suburb sits within a mapped flood overlay, and 40% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Low density residential. The terrain is gently undulating, and the median lot measures about 670 m² across 5,304 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 Brassall

Census 2021 figures published by the ABS for the Brassall suburb boundary itself, not a wider region.

Population
12,115
usual residents, 2021
Median age
34
years
Median household income
$1,408
per week, Ipswich City suburb typical $1,643
Median rent
$310
per week, Ipswich City suburb typical $300
Median mortgage
$1,500
per month
Household size
2.5
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 2
most disadvantagedleast disadvantaged

Score 908, and decile 3 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 2
most disadvantagedleast disadvantaged

Age profile

Share of Brassall's 12,115 residents in each ABS age band.

0-4 6.6%
5-14 15.0%
15-19 6.9%
20-24 7.3%
25-34 14.9%
35-44 12.0%
45-54 11.7%
55-64 10.1%
65-74 8.0%
75-84 5.6%
85+ 1.9%

Population trend, 2001 to 2025

Estimated resident population of Brassall, the wider ABS statistical area containing Brassall. There is no annual population series published at suburb level, so this describes the surrounding area rather than Brassall itself.

6,399 in 2001 to 13,196 in 2025, up 106%.

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 Brassall 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 →

Brassall planning - frequently asked

Where can I see a flood map of Brassall?

The schematic on this page is a Brassall flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 60% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Brassall address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Brassall flood-prone?

About 60% of Brassall falls within a mapped flood overlay, against a Ipswich City average of 45%. Looking lot by lot, 72% of the 5,193 properties we analysed in Brassall carry some level of mapped flood risk, including 989 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 Brassall bushfire-prone?

Yes - around 40% of Brassall is mapped as bushfire-prone, compared with a Ipswich City average of 50%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in Brassall?

The dominant planning zone in Brassall is Low density residential, though the suburb also includes Environmental management and Recreation and open space. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Brassall have heritage-listed places?

Brassall has 5 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 Brassall hilly or flat?

Brassall is gently undulating: the median lot slope is about 6%, and 5% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 18 m to 72 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 Brassall?

Across 5,304 surveyed parcels in Brassall, the median lot size is about 670 m². There are also 443 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 Brassall have a train station?

There is no train station inside Brassall itself. The suburb is served by 33 bus stops.

What is the population of Brassall?

At the 2021 Census Brassall had 12,115 usual residents, with a median age of 34 and an average household size of 2.5 people. The wider Brassall statistical area, which contains Brassall, went from 6,399 people in 2001 to 13,196 in 2025, up 106%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Brassall alone.

Is Brassall an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Brassall scores 908 and sits in decile 2 of 10 nationally and decile 3 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 Brassall?

Median household income in Brassall was $1,408 a week at the 2021 Census, against $1,643 for the typical suburb in Ipswich City. Median rent was $310 a week and the median mortgage repayment $1,500 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a Brassall property?

A Brassall 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.

Other suburbs in Ipswich City

See all Ipswich City suburb profiles →