Seventeen Mile Rocks flood map & planning overlays
A planning-constraint profile of Seventeen Mile Rocks (Brisbane City, QLD) - 2.12 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
2.12 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Seventeen Mile Rocks'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.
Seventeen Mile Rocks 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 1,408 Seventeen Mile Rocks properties.
Lot-level readout
Flood-risk rating across all 1,408 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Seventeen Mile Rocks.
Seventeen Mile Rocks at a glance
How Seventeen Mile Rocks is zoned
Selling in Seventeen Mile Rocks? 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 2.12 km², Seventeen Mile Rocks is highly constrained by planning overlays. About 48% of the suburb sits within a mapped flood overlay, and 44% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Low density residential. The terrain is gently undulating, and the median lot measures about 637 m² across 1,292 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 Seventeen Mile Rocks
Census 2021 figures published by the ABS for the Seventeen Mile Rocks 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 1105, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Seventeen Mile Rocks's 2,699 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Seventeen Mile Rocks - Sinnamon Park, the wider ABS statistical area containing Seventeen Mile Rocks. There is no annual population series published at suburb level, so this describes the surrounding area rather than Seventeen Mile Rocks itself.
6,857 in 2001 to 9,886 in 2025, up 44%.
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 Seventeen Mile Rocks 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 →Seventeen Mile Rocks planning - frequently asked
Where can I see a flood map of Seventeen Mile Rocks?
The schematic on this page is a Seventeen Mile Rocks flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 48% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Seventeen Mile Rocks address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Seventeen Mile Rocks flood-prone?
About 48% of Seventeen Mile Rocks falls within a mapped flood overlay, against a Brisbane City average of 40%. Looking lot by lot, 25% of the 1,408 properties we analysed in Seventeen Mile Rocks carry some level of mapped flood risk, including 45 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 Seventeen Mile Rocks bushfire-prone?
Yes - around 44% of Seventeen Mile Rocks is mapped as bushfire-prone, compared with a Brisbane City average of 27%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Seventeen Mile Rocks?
The dominant planning zone in Seventeen Mile Rocks is Low density residential, though the suburb also includes Open space (District) and Low impact industry. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Seventeen Mile Rocks have heritage-listed places?
Seventeen Mile Rocks has 1 heritage-listed place 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 Seventeen Mile Rocks hilly or flat?
Seventeen Mile Rocks is gently undulating: the median lot slope is about 9%, and 9% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 9 m to 51 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 Seventeen Mile Rocks?
Across 1,292 surveyed parcels in Seventeen Mile Rocks, the median lot size is about 637 m². There are also 102 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 Seventeen Mile Rocks have a train station?
There is no train station inside Seventeen Mile Rocks itself. The suburb is served by 8 bus stops.
What is the population of Seventeen Mile Rocks?
At the 2021 Census Seventeen Mile Rocks had 2,699 usual residents, with a median age of 38 and an average household size of 2.9 people. The wider Seventeen Mile Rocks - Sinnamon Park statistical area, which contains Seventeen Mile Rocks, went from 6,857 people in 2001 to 9,886 in 2025, up 44%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Seventeen Mile Rocks alone.
Is Seventeen Mile Rocks an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Seventeen Mile Rocks scores 1105 and sits in decile 10 of 10 nationally and decile 10 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 Seventeen Mile Rocks?
Median household income in Seventeen Mile Rocks was $2,617 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $425 a week and the median mortgage repayment $2,156 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Seventeen Mile Rocks property?
A Seventeen Mile Rocks 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.