Planning Maps / Areas / Tweed / Byrrill Creek

Byrrill Creek flood map & planning overlays

A planning-constraint profile of Byrrill Creek (Tweed, NSW) - 21.98 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to Byrrill Creek'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.

Byrrill Creek at a glance

Parcels 47 Median lot 400,534 m² Mapped easements 1

How Byrrill Creek is zoned

Rural Landscape 90%
Deferred Matter 9%
Natural Waterways 2%
National Parks and Nature Reserves 0%

Buying in Byrrill Creek? 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 21.98 km², Byrrill Creek is highly constrained by planning overlays. About 7% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 6 heritage-listed sites on record, and the dominant land-use zone is Rural Landscape. The median lot measures about 400,534 m² across 47 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 Byrrill Creek

Census 2021 figures published by the ABS for the Byrrill Creek suburb boundary itself, not a wider region.

Population
125
usual residents, 2021
Median age
56
years
Median household income
$780
per week, Tweed suburb typical $1,394
Median rent
$220
per week, Tweed suburb typical $350
Median mortgage
$1,016
per month
Household size
2.0
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 3
most disadvantagedleast disadvantaged

Score 934, and decile 2 within New South Wales. The national average is 1000.

Relative disadvantage (IRSD) Decile 2
most disadvantagedleast disadvantaged

Age profile

Share of Byrrill Creek's 125 residents in each ABS age band.

0-4 3.3%
5-14 5.7%
15-19 3.3%
20-24 6.5%
25-34 5.7%
35-44 7.3%
45-54 18.7%
55-64 32.5%
65-74 17.1%
75-84 0.0%
85+ 0.0%

Population trend, 2001 to 2025

Estimated resident population of Murwillumbah Surrounds, the wider ABS statistical area containing Byrrill Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Byrrill Creek 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.

Byrrill Creek 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.

DatasetCoveragePublisher
Flood mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Bushfire-prone mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
ZoningMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Heritage and environmentMapped where publishedNSW Government spatial services, NSW ePlanning and published council flood studies
DemographicsAvailableAustralian 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 Byrrill Creek 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 →

Byrrill Creek planning - frequently asked

Where can I see a flood map of Byrrill Creek?

The schematic on this page is a Byrrill Creek flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 7% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Byrrill Creek address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Byrrill Creek flood-prone?

About 7% of Byrrill Creek 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 Byrrill Creek bushfire-prone?

Yes - around 100% of Byrrill Creek 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 Byrrill Creek?

The dominant planning zone in Byrrill Creek is Rural Landscape, though the suburb also includes Deferred Matter and Natural Waterways. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Byrrill Creek have heritage-listed places?

Byrrill Creek has 6 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 Byrrill Creek?

Across 47 surveyed parcels in Byrrill Creek, the median lot size is about 400,534 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.

What is the population of Byrrill Creek?

At the 2021 Census Byrrill Creek had 125 usual residents, with a median age of 56 and an average household size of 2.0 people. The wider Murwillumbah Surrounds statistical area, which contains Byrrill Creek, 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 Byrrill Creek alone.

Is Byrrill Creek an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Byrrill Creek scores 934 and sits in decile 3 of 10 nationally and decile 2 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 Byrrill Creek?

Median household income in Byrrill Creek was $780 a week at the 2021 Census, against $1,394 for the typical suburb in Tweed. Median rent was $220 a week and the median mortgage repayment $1,016 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a Byrrill Creek property?

A Byrrill Creek 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 suburbDistanceFlood mappedBushfire-prone
Kunghur 2.7 km 7% 100%
Cedar Creek 3.1 km <1% 100%
Terragon 4.9 km 9% 99%
Brays Creek 5.3 km 5% 100%
Mount Warning 6.3 km 1% 100%
Kunghur Creek 6.9 km 2% 100%
Midginbil 7.1 km 3% 100%
Mebbin 7.3 km <1% 100%
Doon Doon 7.6 km 11% 98%
Back Creek 7.9 km 15% 100%

See all Tweed suburb profiles →