Petrie flood map & planning overlays
A planning-constraint profile of Petrie
(Moreton Bay City, QLD) - 7.85 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
7.85 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Petrie's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Petrie properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 3,788 Petrie properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 3,788 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Petrie.
Petrie flood history and overland flow
These are suburb-wide totals across 3,788 analysed properties. They show how common each mapped category is across Petrie; they do not identify or describe any individual property.
Mapped overland flow
630 analysed properties carry a mapped overland-flow category.
- Low: 630
Source: Moreton Bay Regional 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.
Petrie at a glance
Schools in and near Petrie
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
3 schools providing primary years and 1 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 Petrie is zoned
Selling in Petrie? 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 7.85 km², Petrie is highly constrained by planning overlays. About 45% of the suburb sits within a mapped flood overlay, and 23% is flagged bushfire-prone. There are 21 heritage-listed sites on record, and the dominant land-use zone is General residential. The terrain is gently undulating, and the median lot measures about 756 m² across 3,617 parcels.
Recent development applications in Petrie
Applications are counted across the whole gazetted suburb from the public Moreton Bay Regional Council register. No application address or individual property is published here.
Submitted in the past 12 months
Latest included submission: 17 August 2026.
Previous 12 months: 18 (67% higher 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 Petrie
Census 2021 figures published by the ABS for the Petrie 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 978, and decile 6 within Queensland. The national average is 1000.
Age profile
Share of Petrie's 8,722 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Petrie, the wider ABS statistical area containing Petrie. There is no annual population series published at suburb level, so this describes the surrounding area rather than Petrie itself.
7,890 in 2001 to 9,202 in 2025, up 17%.
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.
Petrie property market snapshot
Queensland Government publishes this as a SA2 market series for Petrie, the wider statistical area containing Petrie. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 119 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.
Petrie 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 | Moreton Bay Regional 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 Petrie 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 500 Petrie 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 Petrie lot.
See what's in the $9 report →Petrie planning - frequently asked
Is Petrie flood-prone?
About 45% of Petrie falls within a mapped flood overlay, against the council-wide suburb average of 39%. Across the suburb, 20% of the 3,788 properties we analysed carry some level of mapped flood risk, including 686 rated high risk or historically affected.
Is Petrie bushfire-prone?
Around 23% of Petrie is mapped as bushfire-prone, compared with a Moreton Bay City average of 59%.
What is the zoning in Petrie?
The dominant planning zone in Petrie is General residential, though the suburb also includes Centre and Recreation and open space.
Does Petrie have heritage-listed places?
Petrie has 21 heritage-listed places on record.
Is Petrie hilly or flat?
Petrie is gently undulating: the median ground slope is about 8%, and 5% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 8 m to 44 m AHD across the suburb.
What is the typical lot size in Petrie?
Across 3,617 surveyed parcels in Petrie, the median lot size is about 756 m². There are also 618 registered easements mapped in the suburb.
Does Petrie have a train station?
Yes - Petrie has 1 train station: Petrie station. It is also served by 24 bus stops.
What is the population of Petrie?
At the 2021 Census Petrie had 8,722 usual residents, with a median age of 38 and an average household size of 2.7 people. The wider Petrie statistical area, which contains Petrie, went from 7,890 people in 2001 to 9,202 in 2025, up 17%.
Is Petrie an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Petrie scores 978 and sits in decile 5 of 10 nationally and decile 6 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Petrie?
Median household income in Petrie was $1,853 a week at the 2021 Census, against $1,827 for the typical suburb in Moreton Bay City. Median rent was $360 a week and the median mortgage repayment $1,725 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Lawnton | 2.5 km | 80% | 14% |
| Joyner | 2.8 km | 54% | 52% |
| Kallangur | 3.4 km | 24% | 18% |
| Bray Park | 3.4 km | 52% | 5% |
| Murrumba Downs | 4.1 km | 37% | 10% |
| Strathpine | 4.6 km | 70% | 23% |
| Dakabin | 4.8 km | 23% | 58% |
| Kurwongbah | 5.2 km | 29% | 84% |
| Warner | 5.8 km | 23% | 48% |
| Whiteside | 6.1 km | 48% | 74% |