Undullah flood map & planning overlays
A planning-constraint profile of Undullah (Logan City, QLD) - 53.05 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
53.05 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Undullah'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.
Undullah at a glance
Schools in and near Undullah
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: 4.13 km from the suburb boundary
Secondary: 4.13 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 Undullah is zoned
Selling in Undullah? 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 53.05 km², Undullah is highly constrained by planning overlays. About 20% of the suburb sits within a mapped flood overlay, and 94% is flagged bushfire-prone. The dominant land-use zone is Emerging Community. The median lot measures about 370,139 m² across 58 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 Undullah
Census 2021 figures published by the ABS for the Undullah 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 1002, and decile 8 within Queensland. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Flagstone (West) - New Beith, the wider ABS statistical area containing Undullah. There is no annual population series published at suburb level, so this describes the surrounding area rather than Undullah itself.
1,654 in 2001 to 13,360 in 2025, up 708%.
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.
Undullah property market snapshot
Queensland Government publishes this as a SA2 market series for Flagstone (West) - New Beith, the wider statistical area containing Undullah. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 248 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.
Undullah data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| 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 |
| 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) |
Profile last materially updated 5 August 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 Undullah 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 →Undullah planning - frequently asked
Where can I see a flood map of Undullah?
The schematic on this page is a Undullah flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 20% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Undullah address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Undullah flood-prone?
About 20% of Undullah falls within a mapped flood overlay, against the council-wide suburb average of 51%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Undullah bushfire-prone?
Yes - around 94% of Undullah is mapped as bushfire-prone, compared with a Logan City average of 54%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Undullah?
The dominant planning zone in Undullah is Emerging Community, though the suburb also includes Environmental Management and Conservation and Rural. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Undullah have heritage-listed places?
No heritage-listed places are on record within Undullah. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Undullah?
Across 58 surveyed parcels in Undullah, the median lot size is about 370,139 m².
Is Undullah an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Undullah scores 1002 and sits in decile 6 of 10 nationally and decile 8 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.
Do I need a planning report for a Undullah property?
An Undullah 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.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Flinders Lakes | 4.3 km | 26% | 91% |
| Undullah Scenic Rim Regional |
5.4 km | 19% | 96% |
| Lyons | 5.8 km | 21% | 97% |
| Kagaru | 6.8 km | 69% | 41% |
| Kagaru Scenic Rim Regional |
7.1 km | 56% | 46% |
| Monarch Glen | 7.2 km | 24% | 100% |
| Washpool Scenic Rim Regional |
7.7 km | 15% | 58% |
| Peak Crossing Ipswich City |
7.8 km | 12% | 77% |
| Silverbark Ridge | 8.9 km | 27% | 96% |
| Woolooman Scenic Rim Regional |
9.0 km | 10% | 80% |