Sumner flood map & planning overlays
A planning-constraint profile of Sumner
(Brisbane City, QLD) - 1.9 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
1.9 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Sumner's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Sumner properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 704 Sumner properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 704 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Sumner.
Sumner flood history and overland flow
These are suburb-wide totals across 704 analysed properties. They show how common each mapped category is across Sumner; they do not identify or describe any individual property.
Recorded historical flood mapping
293 analysed properties intersect at least one mapped historical event extent.
- January 2011: 283
- Historic Flood 1974: 277
- February 2022: 124
Mapped overland flow
97 analysed properties carry a mapped overland-flow category.
- Low: 45
- Medium: 25
- High: 10
- Affected: 17
Source: Brisbane City Council flood mapping, aggregated by LayeredGeo. Categories are only shown where at least five analysed properties share them. An address-level check is still required to determine whether a particular lot is mapped.
Sumner at a glance
Schools in and near Sumner
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: 0.60 km from the suburb boundary
Secondary: 2.27 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How Sumner is zoned
Selling in Sumner? 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 1.9 km², Sumner is highly constrained by planning overlays. About 76% of the suburb sits within a mapped flood overlay, and 34% is flagged bushfire-prone. The dominant land-use zone is Open space (District). The terrain is gently undulating, and the median lot measures about 646 m² across 698 parcels.
Recent development applications in Sumner
Applications are counted across the whole gazetted suburb from the public Brisbane City Council register. No application address or individual property is published here.
Submitted in the past 12 months
Latest included submission: 4 September 2026.
Previous 12 months: 6 (17% lower in the latest period).
Common application types
- Material change of use: 5
Counts depend on applications that the council publishes and that can be assigned to a suburb. Categories can overlap when one application covers several types. Totals below five and their latest dates are suppressed. Register last synchronised 20 September 2026. Check the official council register.
Who lives in Sumner
Census 2021 figures published by the ABS for the Sumner 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 1052, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Sumner's 603 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Darra - Sumner, the wider ABS statistical area containing Sumner. There is no annual population series published at suburb level, so this describes the surrounding area rather than Sumner itself.
3,730 in 2001 to 5,141 in 2025, up 38%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Sumner property market snapshot
Queensland Government publishes this as a SA2 market series for Darra - Sumner, the wider statistical area containing Sumner. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 75 sales over 12 months to March 2026.
Unit sales
Median sale price from 30 sales over 12 months to March 2026.
Source: Queensland Government Statistician's Office (QGSO). View the source profile. The same SA2 figure can appear on several suburb pages within that statistical area.
Sumner data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
| Market statistics | Available at SA2 level | Queensland Government Statistician's Office (QGSO) |
| Development applications | Available as suburb totals | Brisbane City Council |
Profile last materially updated 19 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Sumner 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.
Published flood models are held here: a Flood Model Report is available for about 700 Sumner addresses (+$9 with the planning report).
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Sumner lot.
See what's in the $9 report →Sumner planning - frequently asked
Is Sumner flood-prone?
About 76% of Sumner falls within a mapped flood overlay, against the council-wide suburb average of 40%. Across the suburb, 61% of the 704 properties we analysed carry some level of mapped flood risk, including 52 rated high risk or historically affected.
Is Sumner bushfire-prone?
Around 34% of Sumner is mapped as bushfire-prone, compared with a Brisbane City average of 27%.
What is the zoning in Sumner?
The dominant planning zone in Sumner is Open space (District), though the suburb also includes General industry A and General industry B.
Does Sumner have heritage-listed places?
No heritage-listed places are on record within Sumner.
Is Sumner hilly or flat?
Sumner is gently undulating: the median ground slope is about 8%, and 20% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 11 m to 42 m AHD across the suburb.
What is the typical lot size in Sumner?
Across 698 surveyed parcels in Sumner, the median lot size is about 646 m². There are also 208 registered easements mapped in the suburb.
Does Sumner have a train station?
There is no train station inside Sumner itself. The suburb is served by 3 bus stops.
What is the population of Sumner?
At the 2021 Census Sumner had 603 usual residents, with a median age of 32 and an average household size of 2.9 people. The wider Darra - Sumner statistical area, which contains Sumner, went from 3,730 people in 2001 to 5,141 in 2025, up 38%.
Is Sumner an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Sumner scores 1052 and sits in decile 9 of 10 nationally and decile 10 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Sumner?
Median household income in Sumner was $2,266 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $445 a week and the median mortgage repayment $1,800 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Jamboree Heights | 1.0 km | 24% | 0% |
| Middle Park | 1.3 km | 32% | 4% |
| Mount Ommaney | 2.2 km | 46% | 18% |
| Riverhills | 2.3 km | 69% | 22% |
| Darra | 2.3 km | 25% | 8% |
| Westlake | 2.6 km | 69% | 19% |
| Sinnamon Park | 2.8 km | 52% | 13% |
| Wacol | 2.9 km | 63% | 36% |
| Seventeen Mile Rocks | 3.3 km | 46% | 44% |
| Jindalee | 3.4 km | 71% | 19% |