St Lucia flood map & planning overlays
A planning-constraint profile of St Lucia
(Brisbane City, QLD) - 4.62 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
4.62 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Lucia's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across St Lucia properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 5,816 St Lucia properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 5,816 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in St Lucia.
St Lucia flood history and overland flow
These are suburb-wide totals across 5,816 analysed properties. They show how common each mapped category is across St Lucia; they do not identify or describe any individual property.
Recorded historical flood mapping
2,605 analysed properties intersect at least one mapped historical event extent.
- Historic Flood 1974: 2,557
- January 2011: 2,235
- February 2022: 1,998
Mapped overland flow
1,464 analysed properties carry a mapped overland-flow category.
- Low: 417
- Medium: 930
- High: 35
- Affected: 82
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.
St Lucia at a glance
Schools in and near St Lucia
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
1 school providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: 0.59 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 St Lucia is zoned
Selling in St Lucia? 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 4.62 km², St Lucia is highly constrained by planning overlays. About 64% of the suburb sits within a mapped flood overlay, and 13% is flagged bushfire-prone. There are 22 heritage-listed sites on record, and the dominant land-use zone is Specialised centre (Major education and research facility). The terrain is hilly, and the median lot measures about 531 m² across 5,992 parcels.
Recent development applications in St Lucia
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: 29 July 2026.
Previous 12 months: 18 (22% lower in the latest period).
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 19 September 2026. Check the official council register.
Who lives in St Lucia
Census 2021 figures published by the ABS for the St Lucia 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 1091, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of St Lucia's 12,220 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of St Lucia, the wider ABS statistical area containing St Lucia. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Lucia itself.
9,995 in 2001 to 15,447 in 2025, up 55%.
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.
St Lucia property market snapshot
Queensland Government publishes this as a SA2 market series for St Lucia, the wider statistical area containing St Lucia. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 76 sales over 12 months to March 2026.
Unit sales
Median sale price from 232 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.
St Lucia 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 St Lucia 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 5,800 St Lucia 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 St Lucia lot.
See what's in the $9 report →St Lucia planning - frequently asked
Is St Lucia flood-prone?
About 64% of St Lucia falls within a mapped flood overlay, against the council-wide suburb average of 40%. Across the suburb, 60% of the 5,816 properties we analysed carry some level of mapped flood risk, including 512 rated high risk or historically affected.
Is St Lucia bushfire-prone?
Around 13% of St Lucia is mapped as bushfire-prone, compared with a Brisbane City average of 27%.
What is the zoning in St Lucia?
The dominant planning zone in St Lucia is Specialised centre (Major education and research facility), though the suburb also includes Low density residential and Low-medium density residential (2 or 3 storey mix).
Does St Lucia have heritage-listed places?
St Lucia has 22 heritage-listed places on record.
Is St Lucia hilly or flat?
St Lucia is hilly: the median ground slope is about 12%, and 34% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 4 m to 44 m AHD across the suburb.
What is the typical lot size in St Lucia?
Across 5,992 surveyed parcels in St Lucia, the median lot size is about 531 m². There are also 403 registered easements mapped in the suburb.
Does St Lucia have a train station?
There is no train station inside St Lucia itself. The suburb is served by 54 bus stops and 2 ferry terminals.
What is the population of St Lucia?
At the 2021 Census St Lucia had 12,220 usual residents, with a median age of 25 and an average household size of 2.4 people. The wider St Lucia statistical area, which contains St Lucia, went from 9,995 people in 2001 to 15,447 in 2025, up 55%.
Is St Lucia an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Lucia scores 1091 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 St Lucia?
Median household income in St Lucia was $1,761 a week at the 2021 Census, against $2,122 for the typical suburb in Brisbane City. Median rent was $410 a week and the median mortgage repayment $2,000 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Yeronga | 1.6 km | 74% | <1% |
| Highgate Hill | 1.7 km | 21% | 0% |
| Fairfield | 1.8 km | 91% | 0% |
| West End | 1.9 km | 72% | 0% |
| Dutton Park | 2.0 km | 32% | 0% |
| Taringa | 2.2 km | 27% | 39% |
| Indooroopilly | 2.5 km | 56% | 40% |
| South Brisbane | 2.6 km | 71% | 0% |
| Annerley | 2.9 km | 15% | <1% |
| Auchenflower | 3.0 km | 48% | 0% |