Bilambil Heights flood map & planning overlays
A planning-constraint profile of Bilambil Heights (Tweed, NSW) - 9.9 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
9.9 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Bilambil Heights'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.
Bilambil Heights at a glance
How Bilambil Heights is zoned
Buying in Bilambil Heights? 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 9.9 km², Bilambil Heights is highly constrained by planning overlays. About 27% of the suburb sits within a mapped flood overlay, and 80% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Deferred Matter. The median lot measures about 693 m² across 1,439 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 Bilambil Heights
Census 2021 figures published by the ABS for the Bilambil Heights 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 989, and decile 5 within New South Wales. The national average is 1000.
Age profile
Share of Bilambil Heights's 3,491 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Tweed Heads, the wider ABS statistical area containing Bilambil Heights. There is no annual population series published at suburb level, so this describes the surrounding area rather than Bilambil Heights itself.
17,013 in 2001 to 21,576 in 2025, up 27%.
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.
Bilambil Heights 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 Bilambil Heights 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 →Bilambil Heights planning - frequently asked
Where can I see a flood map of Bilambil Heights?
The schematic on this page is a Bilambil Heights flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 27% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Bilambil Heights address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Bilambil Heights flood-prone?
About 27% of Bilambil Heights 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 Bilambil Heights bushfire-prone?
Yes - around 80% of Bilambil Heights 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 Bilambil Heights?
The dominant planning zone in Bilambil Heights is Deferred Matter, though the suburb also includes General Residential and Recreational Waterways. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Bilambil Heights have heritage-listed places?
Bilambil Heights has 1 heritage-listed place 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 Bilambil Heights?
Across 1,439 surveyed parcels in Bilambil Heights, the median lot size is about 693 m². There are also 1 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 Bilambil Heights have a train station?
There is no train station inside Bilambil Heights itself. The suburb is served by 42 bus stops.
What is the population of Bilambil Heights?
At the 2021 Census Bilambil Heights had 3,491 usual residents, with a median age of 44 and an average household size of 2.6 people. The wider Tweed Heads statistical area, which contains Bilambil Heights, went from 17,013 people in 2001 to 21,576 in 2025, up 27%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Bilambil Heights alone.
Is Bilambil Heights an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Bilambil Heights scores 989 and sits in decile 6 of 10 nationally and decile 5 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 Bilambil Heights?
Median household income in Bilambil Heights was $1,562 a week at the 2021 Census, against $1,394 for the typical suburb in Tweed. Median rent was $470 a week and the median mortgage repayment $1,901 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Bilambil Heights property?
A Bilambil Heights 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 |
|---|---|---|---|
| Cobaki | 2.6 km | 16% | 100% |
| Bilambil | 2.7 km | 21% | 96% |
| Tweed Heads West | 3.6 km | 71% | 46% |
| Terranora | 4.0 km | 30% | 70% |
| Cobaki Lakes | 4.0 km | 49% | 100% |
| Duroby | 4.1 km | 11% | 100% |
| Bungalora | 4.3 km | 22% | 100% |
| Piggabeen | 4.8 km | 14% | 100% |
| Tweed Heads South | 5.2 km | 78% | 42% |
| Carool | 5.6 km | 3% | 100% |