Dunwich flood map & planning overlays
A planning-constraint profile of Dunwich
(Redland City, QLD) - 2.27 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
2.27 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Dunwich's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Dunwich properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 524 Dunwich properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 524 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Dunwich.
Dunwich at a glance
Schools in and near Dunwich
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
1 school providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: 11.74 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 Dunwich is zoned
Selling in Dunwich? 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 2.27 km², Dunwich is highly constrained by planning overlays. About 19% of the suburb sits within a mapped flood overlay, and 41% is flagged bushfire-prone. There are 18 heritage-listed sites on record, and the dominant land-use zone is Community Facilities. The terrain is gently undulating, and the median lot measures about 648 m² across 521 parcels.
Who lives in Dunwich
Census 2021 figures published by the ABS for the Dunwich 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 924, and decile 3 within Queensland. The national average is 1000.
Age profile
Share of Dunwich's 737 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of North Stradbroke Island, the wider ABS statistical area containing Dunwich. There is no annual population series published at suburb level, so this describes the surrounding area rather than Dunwich itself.
2,171 in 2001 to 2,276 in 2025, up 5%.
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.
Dunwich property market snapshot
Queensland Government publishes this as a SA2 market series for North Stradbroke Island, the wider statistical area containing Dunwich. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 41 sales over 12 months to March 2026.
Unit sales
Median sale price from 31 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.
Dunwich 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) |
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 Dunwich 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 Dunwich. 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 Dunwich lot.
See what's in the $9 report →Dunwich planning - frequently asked
Is Dunwich flood-prone?
About 19% of Dunwich falls within a mapped flood overlay, against the council-wide suburb average of 27%. Across the suburb, 13% of the 524 properties we analysed carry some level of mapped flood risk, including 14 rated high risk or historically affected.
Is Dunwich bushfire-prone?
Around 41% of Dunwich is mapped as bushfire-prone, compared with a Redland City average of 41%.
What is the zoning in Dunwich?
The dominant planning zone in Dunwich is Community Facilities, though the suburb also includes Low Density Residential and Conservation.
Does Dunwich have heritage-listed places?
Dunwich has 18 heritage-listed places on record.
Is Dunwich hilly or flat?
Dunwich is gently undulating: the median ground slope is about 5%, and 13% of measured points sit on grades of 15% or steeper. Ground level runs from roughly -2 m to 101 m AHD across the suburb.
What is the typical lot size in Dunwich?
Across 521 surveyed parcels in Dunwich, the median lot size is about 648 m². There are also 10 registered easements mapped in the suburb.
What is the population of Dunwich?
At the 2021 Census Dunwich had 737 usual residents, with a median age of 47 and an average household size of 2.3 people. The wider North Stradbroke Island statistical area, which contains Dunwich, went from 2,171 people in 2001 to 2,276 in 2025, up 5%.
Is Dunwich an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Dunwich scores 924 and sits in decile 2 of 10 nationally and decile 3 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Dunwich?
Median household income in Dunwich was $1,111 a week at the 2021 Census, against $1,488 for the typical suburb in Redland City. Median rent was $294 a week and the median mortgage repayment $1,539 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Peel Island | 4.8 km | 37% | 36% |
| Moreton Bay | 7.6 km | 9% | <1% |
| North Stradbroke Island | 9.2 km | 10% | 87% |
| Coochiemudlo Island | 10.8 km | 31% | 20% |
| Amity | 11.8 km | 28% | 77% |
| Macleay Island | 12.7 km | 34% | 22% |
| Cleveland | 13.8 km | 33% | 14% |
| Victoria Point | 13.8 km | 30% | 28% |
| Lamb Island | 14.0 km | 34% | 17% |
| Point Lookout | 14.2 km | 4% | 75% |