The Gap flood map & planning overlays
A planning-constraint profile of The Gap
(Brisbane City, QLD) - 12.6 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
12.6 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to The Gap's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across The Gap properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 7,194 The Gap properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 7,194 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in The Gap.
The Gap flood history and overland flow
These are suburb-wide totals across 7,194 analysed properties. They show how common each mapped category is across The Gap; they do not identify or describe any individual property.
Recorded historical flood mapping
330 analysed properties intersect at least one mapped historical event extent.
- February 2022: 330
Mapped overland flow
1,266 analysed properties carry a mapped overland-flow category.
- Low: 381
- Medium: 577
- High: 258
- Affected: 50
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.
The Gap at a glance
Schools in and near The Gap
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
4 schools providing primary years and 2 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: inside the suburb
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 The Gap is zoned
Selling in The Gap? 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 12.6 km², The Gap is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 60% 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 hilly, and the median lot measures about 644 m² across 6,850 parcels.
Recent development applications in The Gap
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: 10 September 2026.
Previous 12 months: 25 (48% higher in the latest period).
Common application types
- Material change of use: 7
- Reconfiguring a lot: 12
- Building work: 8
- Operational work: 7
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 The Gap
Census 2021 figures published by the ABS for the The Gap 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 1109, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of The Gap's 17,318 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of The Gap, the wider ABS statistical area containing The Gap. There is no annual population series published at suburb level, so this describes the surrounding area rather than The Gap itself.
15,677 in 2001 to 18,230 in 2025, up 16%.
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.
The Gap property market snapshot
Queensland Government publishes this as a SA2 market series for The Gap, the wider statistical area containing The Gap. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 250 sales over 12 months to March 2026.
Unit sales
Median sale price from 39 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.
The Gap 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 The Gap 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 7,100 The Gap 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 The Gap lot.
See what's in the $9 report →The Gap planning - frequently asked
Is The Gap flood-prone?
About 18% of The Gap falls within a mapped flood overlay, against the council-wide suburb average of 40%. Across the suburb, 10% of the 7,194 properties we analysed carry some level of mapped flood risk, including 268 rated high risk or historically affected.
Is The Gap bushfire-prone?
Around 60% of The Gap is mapped as bushfire-prone, compared with a Brisbane City average of 27%.
What is the zoning in The Gap?
The dominant planning zone in The Gap is Low density residential, though the suburb also includes Environmental management and Conservation (Metropolitan).
Does The Gap have heritage-listed places?
The Gap has 5 heritage-listed places on record.
Is The Gap hilly or flat?
The Gap is hilly: the median ground slope is about 11%, and 27% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 37 m to 103 m AHD across the suburb.
What is the typical lot size in The Gap?
Across 6,850 surveyed parcels in The Gap, the median lot size is about 644 m². There are also 996 registered easements mapped in the suburb.
Does The Gap have a train station?
There is no train station inside The Gap itself. The suburb is served by 77 bus stops.
What is the population of The Gap?
At the 2021 Census The Gap had 17,318 usual residents, with a median age of 42 and an average household size of 2.9 people. The wider The Gap statistical area, which contains The Gap, went from 15,677 people in 2001 to 18,230 in 2025, up 16%.
Is The Gap an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), The Gap scores 1109 and sits in decile 10 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 The Gap?
Median household income in The Gap was $2,573 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $490 a week and the median mortgage repayment $2,253 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Enoggera | 3.4 km | 20% | 62% |
| Keperra | 3.5 km | 24% | 34% |
| Mount Coot-tha | 3.7 km | 9% | 100% |
| Upper Kedron | 3.7 km | 17% | 73% |
| Bardon | 3.7 km | 19% | 48% |
| Ashgrove | 3.7 km | 27% | 32% |
| Mitchelton | 4.6 km | 31% | 23% |
| Ferny Grove | 4.8 km | 21% | 48% |
| Gaythorne | 4.8 km | 22% | 5% |
| Arana Hills Moreton Bay City |
5.5 km | 26% | 19% |