North Stradbroke Island flood map & planning overlays
A planning-constraint profile of North Stradbroke Island
(Redland City, QLD) - 271.07 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
271.07 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to North Stradbroke Island's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across North Stradbroke Island properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 117 North Stradbroke Island properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 117 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in North Stradbroke Island.
North Stradbroke Island at a glance
Schools in and near North Stradbroke Island
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: 0.61 km from the suburb boundary
Secondary: 11.18 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 North Stradbroke Island is zoned
Selling in North Stradbroke Island? 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 271.07 km², North Stradbroke Island is highly constrained by planning overlays. About 10% of the suburb sits within a mapped flood overlay, and 87% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Conservation. The terrain is gently undulating, and the median lot measures about 48,274 m² across 241 parcels.
Who lives in North Stradbroke Island
Census 2021 figures published by the ABS for the North Stradbroke Island 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 916, and decile 3 within Queensland. The national average is 1000.
Age profile
Share of North Stradbroke Island's 181 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of North Stradbroke Island, the wider ABS statistical area containing North Stradbroke Island. There is no annual population series published at suburb level, so this describes the surrounding area rather than North Stradbroke Island 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.
North Stradbroke Island property market snapshot
Queensland Government publishes this as a SA2 market series for North Stradbroke Island, the wider statistical area containing North Stradbroke Island. 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.
North Stradbroke Island 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 North Stradbroke Island 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 North Stradbroke Island. 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 North Stradbroke Island lot.
See what's in the $9 report →North Stradbroke Island planning - frequently asked
Is North Stradbroke Island flood-prone?
About 10% of North Stradbroke Island falls within a mapped flood overlay, against the council-wide suburb average of 27%. Across the suburb, 24% of the 117 properties we analysed carry some level of mapped flood risk, including 22 rated high risk or historically affected.
Is North Stradbroke Island bushfire-prone?
Around 87% of North Stradbroke Island is mapped as bushfire-prone, compared with a Redland City average of 41%.
What is the zoning in North Stradbroke Island?
The dominant planning zone in North Stradbroke Island is Conservation, though the suburb also includes Community Facilities and Recreation and Open Space.
Does North Stradbroke Island have heritage-listed places?
North Stradbroke Island has 5 heritage-listed places on record.
Is North Stradbroke Island hilly or flat?
North Stradbroke Island is gently undulating: the median ground slope is about 7%, and 11% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 1 m to 118 m AHD across the suburb.
What is the typical lot size in North Stradbroke Island?
Across 241 surveyed parcels in North Stradbroke Island, the median lot size is about 48,274 m². There are also 34 registered easements mapped in the suburb.
What is the population of North Stradbroke Island?
At the 2021 Census North Stradbroke Island had 181 usual residents, with a median age of 47 and an average household size of 2.1 people. The wider North Stradbroke Island statistical area, which contains North Stradbroke Island, went from 2,171 people in 2001 to 2,276 in 2025, up 5%.
Is North Stradbroke Island an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), North Stradbroke Island scores 916 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 North Stradbroke Island?
Median household income in North Stradbroke Island was $1,104 a week at the 2021 Census, against $1,488 for the typical suburb in Redland City. Median rent was $237 a week and the median mortgage repayment $2,678 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Lamb Island | 8.4 km | 34% | 17% |
| Dunwich | 9.2 km | 19% | 41% |
| Macleay Island | 9.4 km | 34% | 22% |
| Moreton Bay | 10.3 km | 9% | <1% |
| Karragarra Island | 10.3 km | 47% | 12% |
| Coochiemudlo Island | 11.5 km | 31% | 20% |
| Peel Island | 12.0 km | 37% | 36% |
| Russell Island | 12.9 km | 48% | 39% |
| Victoria Point | 14.3 km | 30% | 28% |
| Point Lookout | 17.7 km | 4% | 75% |