Tanawha flood map & planning overlays
A planning-constraint profile of Tanawha (Sunshine Coast Regional, QLD) - 12.79 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
12.79 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Tanawha'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.
Tanawha flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 520 Tanawha properties.
Lot-level readout
Flood-risk rating across all 520 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Tanawha.
Tanawha at a glance
How Tanawha is zoned
Selling in Tanawha? 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 12.79 km², Tanawha is highly constrained by planning overlays. About 18% of the suburb sits within a mapped flood overlay, and 64% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is hilly, and the median lot measures about 6,120 m² across 526 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 Tanawha
Census 2021 figures published by the ABS for the Tanawha 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 1073, and decile 10 within Queensland. The national average is 1000.
Age profile
Share of Tanawha's 1,312 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Buderim - South, the wider ABS statistical area containing Tanawha. There is no annual population series published at suburb level, so this describes the surrounding area rather than Tanawha itself.
11,120 in 2001 to 18,362 in 2025, up 65%.
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.
Check a specific Tanawha 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 →Tanawha planning - frequently asked
Where can I see a flood map of Tanawha?
The schematic on this page is a Tanawha flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 18% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Tanawha address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Tanawha flood-prone?
About 18% of Tanawha falls within a mapped flood overlay, against a Sunshine Coast Regional average of 32%. Looking lot by lot, 39% of the 520 properties we analysed in Tanawha carry some level of mapped flood risk, including 182 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Tanawha bushfire-prone?
Yes - around 64% of Tanawha is mapped as bushfire-prone, compared with a Sunshine Coast Regional average of 38%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Tanawha?
The dominant planning zone in Tanawha is Rural, though the suburb also includes Rural Residential and Environmental Management and Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Tanawha have heritage-listed places?
No heritage-listed places are on record within Tanawha. Even so, it is worth confirming for an individual property before any works.
Is Tanawha hilly or flat?
Tanawha is hilly: the median lot slope is about 11%, and 34% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 18 m to 106 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Tanawha?
Across 526 surveyed parcels in Tanawha, the median lot size is about 6,120 m². There are also 160 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Tanawha have a train station?
There is no train station inside Tanawha itself. The suburb is served by 2 bus stops.
What is the population of Tanawha?
At the 2021 Census Tanawha had 1,312 usual residents, with a median age of 40 and an average household size of 3.2 people. The wider Buderim - South statistical area, which contains Tanawha, went from 11,120 people in 2001 to 18,362 in 2025, up 65%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Tanawha alone.
Is Tanawha an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Tanawha scores 1073 and sits in decile 10 of 10 nationally and decile 10 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.
What is the median household income in Tanawha?
Median household income in Tanawha was $2,542 a week at the 2021 Census, against $1,674 for the typical suburb in Sunshine Coast Regional. Median rent was $408 a week and the median mortgage repayment $2,450 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Tanawha property?
A Tanawha 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.