Undullah flood map & planning overlays
95.5% bushfire-mapped: no Scenic Rim suburb has more than the Scenic Rim side of Undullah.
Things you won't regret: spending $9 to know the lot before you commit.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Undullah
(Scenic Rim Regional, QLD) - 40.26 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 7 November 2026.
Constraint readout
40.26 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. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
How common is mapped flood risk across Undullah properties?
Counts of properties, not share of land, across 46 analysed Undullah properties; no individual property result is identified.
Lot-level readout
Flood-risk rating across all 46 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Undullah.
Has Undullah flooded? Flood history and overland flow
Yes. Recorded flood mapping reaches into Undullah: 1 of the 46 properties we analysed (2.2%) sit at least partly inside a mapped historical flood extent. The free address check says whether a given lot is inside one.
Suburb-wide totals across 46 analysed properties; they do not identify or describe any individual property.
Recorded historical flood mapping
1 analysed properties intersect at least one mapped historical event extent.
Source: Scenic Rim 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.
Aircraft noise and flight paths over Undullah
The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.
Observed overflight - sampled 4 Sep to 7 Nov 2026
typical observed square 0 a day
Night movements: observed, lowest 8,500 ft - night is sampled as often as day, but night traffic is light, so this is a floor and no rate can be put on it.
How this is measured
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
Undullah at a glance
Schools in and near Undullah
Public school-location data shows availability across the suburb; it does not rate schools or assign any individual 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: 8.07 km from the suburb boundary
Secondary: 8.07 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time.
Which school zone is a Undullah address in? Check an address with our free school zone checker.
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 40.26 km², Undullah is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 96% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is steep, and the median lot measures about 243,632 m² across 70 parcels.
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 Boonah, 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.
9,556 in 2001 to 13,450 in 2025, up 41%.
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.
Undullah 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 |
| Observed flight paths | Observed | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
Profile last materially updated 7 November 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 →Aircraft have been seen below 3,000 ft over about 64% of Undullah. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Published flood models are held over parts of Undullah. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot to spin round in your browser (+$9 with the planning report).
Moving here? The Liveability section adds walking times from the address to schools, parks, shops and transport, and the school zones it sits in (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Undullah lot.
Undullah planning - frequently asked
Is Undullah flood-prone?
About 18% of Undullah falls within a mapped flood overlay, against the council-wide suburb average of 14%. Across the suburb, 2% of the 46 properties we analysed carry some level of mapped flood risk, including 1 rated high risk or historically affected. Published flood models are held over parts of Undullah; the free check on the Flood Model Report page says whether one reaches a given address.
Has Undullah flooded?
Yes. Recorded flood mapping reaches into Undullah: 1 of the 46 properties we analysed (2.2%) sit at least partly inside a mapped historical flood extent. The free address check says whether a given lot is inside one.
Is Undullah bushfire-prone?
Around 96% of Undullah is mapped as bushfire-prone, compared with a Scenic Rim Regional average of 52%.
Is Undullah under a flight path?
Aircraft were observed below 3,000 ft over about 64% of Undullah, and over about 93% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 7 Nov 2026). The lowest measured aircraft was at 500 ft, with an average of 4,500 ft. At the busiest point in the suburb about 12 aircraft a day were recorded passing over one 500 m square. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in Undullah?
The dominant planning zone in Undullah is Rural, though the suburb also includes Special Purpose and Conservation.
Does Undullah have heritage-listed places?
No heritage-listed places are on record within Undullah.
Is Undullah hilly or flat?
Undullah is steep: the median ground slope is about 23%, and 78% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 45 m to 307 m AHD across the suburb.
What is the typical lot size in Undullah?
Across 70 surveyed parcels in Undullah, the median lot size is about 243,632 m². There are also 2 registered easements mapped in the suburb.
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 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Undullah Logan City |
5.4 km | 18% | 94% |
| Woolooman | 6.4 km | 5% | 80% |
| Kagaru | 6.7 km | 35% | 46% |
| Wyaralong | 6.8 km | 15% | 83% |
| Flinders Lakes Logan City |
7.0 km | 22% | 91% |
| Washpool | 7.7 km | 9% | 58% |
| Kagaru Logan City |
8.2 km | 67% | 41% |
| Allenview | 9.1 km | 24% | 40% |
| Monarch Glen Logan City |
10.2 km | 24% | 100% |
| Milbong | 10.2 km | 7% | 40% |