Sippy Downs flood map & planning overlays
A planning-constraint profile of Sippy Downs
(Sunshine Coast Regional, QLD) - 14.5 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
14.5 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Sippy Downs's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Sippy Downs properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 5,067 Sippy Downs properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 5,067 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Sippy Downs.
Sippy Downs at a glance
Schools in and near Sippy Downs
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
2 schools providing primary years and 3 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 Sippy Downs is zoned
Selling in Sippy Downs? 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 14.5 km², Sippy Downs is highly constrained by planning overlays. About 44% of the suburb sits within a mapped flood overlay, and 56% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Environmental Management and Conservation. The terrain is largely flat, and the median lot measures about 627 m² across 4,002 parcels.
Recent development applications in Sippy Downs
Applications are counted across the whole gazetted suburb from the public Sunshine Coast Council register. No application address or individual property is published here.
Submitted in the past 12 months
Latest included submission: 14 September 2026.
Previous 12 months: 6 (0% 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 20 September 2026. Check the official council register.
Who lives in Sippy Downs
Census 2021 figures published by the ABS for the Sippy Downs 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 987, and decile 7 within Queensland. The national average is 1000.
Age profile
Share of Sippy Downs's 11,544 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Sippy Downs, the wider ABS statistical area containing Sippy Downs. There is no annual population series published at suburb level, so this describes the surrounding area rather than Sippy Downs itself.
3,256 in 2001 to 12,683 in 2025, up 290%.
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.
Sippy Downs 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 |
| Development applications | Available as suburb totals | Sunshine Coast 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 Sippy Downs 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 over parts of Sippy Downs. 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 (+$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 Sippy Downs lot.
See what's in the $9 report →Sippy Downs planning - frequently asked
Is Sippy Downs flood-prone?
About 44% of Sippy Downs falls within a mapped flood overlay, against the council-wide suburb average of 30%. Across the suburb, 29% of the 5,067 properties we analysed carry some level of mapped flood risk, including 932 rated high risk or historically affected.
Is Sippy Downs bushfire-prone?
Around 56% of Sippy Downs is mapped as bushfire-prone, compared with a Sunshine Coast Regional average of 38%.
What is the zoning in Sippy Downs?
The dominant planning zone in Sippy Downs is Environmental Management and Conservation, though the suburb also includes Low Density Residential and Innovation.
Does Sippy Downs have heritage-listed places?
Sippy Downs has 1 heritage-listed place on record.
Is Sippy Downs hilly or flat?
Sippy Downs is largely flat: the median ground slope is about 2%. Ground level runs from roughly 8 m to 30 m AHD across the suburb.
What is the typical lot size in Sippy Downs?
Across 4,002 surveyed parcels in Sippy Downs, the median lot size is about 627 m². There are also 996 registered easements mapped in the suburb.
Does Sippy Downs have a train station?
There is no train station inside Sippy Downs itself. The suburb is served by 35 bus stops.
What is the population of Sippy Downs?
At the 2021 Census Sippy Downs had 11,544 usual residents, with a median age of 33 and an average household size of 2.6 people. The wider Sippy Downs statistical area, which contains Sippy Downs, went from 3,256 people in 2001 to 12,683 in 2025, up 290%.
Is Sippy Downs an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Sippy Downs scores 987 and sits in decile 6 of 10 nationally and decile 7 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Sippy Downs?
Median household income in Sippy Downs was $1,484 a week at the 2021 Census, against $1,677 for the typical suburb in Sunshine Coast Regional. Median rent was $460 a week and the median mortgage repayment $1,889 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Palmview | 3.5 km | 37% | 39% |
| Mountain Creek | 3.7 km | 48% | 24% |
| Meridan Plains | 4.2 km | 71% | 28% |
| Birtinya | 4.2 km | 86% | 40% |
| Buderim | 4.3 km | 17% | 40% |
| Parrearra | 4.7 km | 55% | 2% |
| Tanawha | 4.7 km | 17% | 64% |
| Warana | 5.3 km | 52% | 11% |
| Bokarina | 5.3 km | 50% | 6% |
| Minyama | 5.5 km | 63% | 0% |