Mount Warning flood map & planning overlays
A planning-constraint profile of Mount Warning (Tweed, NSW) - 54.44 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
54.44 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Warning'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.
Mount Warning at a glance
How Mount Warning is zoned
Buying in Mount Warning? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 54.44 km², Mount Warning is highly constrained by planning overlays. About 1% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 7 heritage-listed sites on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 202,490 m² across 70 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 Mount Warning
Census 2021 figures published by the ABS for the Mount Warning 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 973, and decile 4 within New South Wales. The national average is 1000.
Age profile
Share of Mount Warning's 148 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Murwillumbah Surrounds, the wider ABS statistical area containing Mount Warning. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Warning itself.
8,963 in 2001 to 10,835 in 2025, up 21%.
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.
Mount Warning data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 August 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 Mount Warning 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 →Mount Warning planning - frequently asked
Where can I see a flood map of Mount Warning?
The schematic on this page is a Mount Warning flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 1% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mount Warning address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mount Warning flood-prone?
About 1% of Mount Warning falls within a mapped flood overlay, against the council-wide suburb average of 25%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mount Warning bushfire-prone?
Yes - around 100% of Mount Warning is mapped as bushfire-prone, compared with a Tweed average of 91%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mount Warning?
The dominant planning zone in Mount Warning is National Parks and Nature Reserves, though the suburb also includes Deferred Matter and Rural Landscape. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mount Warning have heritage-listed places?
Mount Warning has 7 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Mount Warning?
Across 70 surveyed parcels in Mount Warning, the median lot size is about 202,490 m².
What is the population of Mount Warning?
At the 2021 Census Mount Warning had 148 usual residents, with a median age of 54 and an average household size of 1.8 people. The wider Murwillumbah Surrounds statistical area, which contains Mount Warning, went from 8,963 people in 2001 to 10,835 in 2025, up 21%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Warning alone.
Is Mount Warning an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Warning scores 973 and sits in decile 5 of 10 nationally and decile 4 within New South Wales - 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 Mount Warning?
Median household income in Mount Warning was $833 a week at the 2021 Census, against $1,394 for the typical suburb in Tweed. Median rent was $230 a week and the median mortgage repayment $2,000 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mount Warning property?
A Mount Warning 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.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Cedar Creek | 3.4 km | <1% | 100% |
| Uki | 5.4 km | 17% | 100% |
| Terragon | 5.6 km | 9% | 99% |
| Eungella | 5.6 km | 21% | 100% |
| Tyalgum | 6.0 km | 10% | 100% |
| Byrrill Creek | 6.3 km | 7% | 100% |
| Dum Dum | 7.1 km | 6% | 100% |
| Brays Creek | 7.8 km | 5% | 100% |
| Zara | 8.5 km | 4% | 100% |
| Kunghur | 8.9 km | 7% | 100% |