Triabunna flood map & planning overlays

A planning-constraint profile of Triabunna (Glamorgan-Spring Bay, TAS) - 174.05 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to Triabunna'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.

Triabunna at a glance

Parcels 925 Median lot 1,912 m² Mapped easements 226

How Triabunna is zoned

Agriculture 73%
Rural 21%
Environmental Management 4%
General Residential 0%
Utilities 0%
Low Density Residential 0%

Buying in Triabunna? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title - a $9 planning report pulls them at the lot level for any Triabunna address.

Across its 174.05 km², Triabunna is highly constrained by planning overlays. About 5% of the suburb sits within a mapped flood overlay, and 99% is flagged bushfire-prone. There are 8 heritage-listed sites on record, and the dominant land-use zone is Agriculture. The median lot measures about 1,912 m² across 925 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.

Triabunna 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 mappingMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
Bushfire-prone mappingMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
ZoningMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
Heritage and environmentMapped where publishedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
DemographicsNot availableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 20 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 Triabunna 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 →

Triabunna planning - frequently asked

Where can I see a flood map of Triabunna?

The schematic on this page is a Triabunna flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 5% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Triabunna address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Triabunna flood-prone?

About 5% of Triabunna falls within a mapped flood overlay, against the council-wide suburb average of 9%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.

Is Triabunna bushfire-prone?

Yes - around 99% of Triabunna is mapped as bushfire-prone, compared with a Glamorgan-Spring Bay average of 96%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in Triabunna?

The dominant planning zone in Triabunna is Agriculture, though the suburb also includes Rural and Environmental Management. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Triabunna have heritage-listed places?

Triabunna has 8 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 Triabunna?

Across 925 surveyed parcels in Triabunna, the median lot size is about 1,912 m². There are also 226 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.

Do I need a planning report for a Triabunna property?

A Triabunna 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
Spring Beach 14.3 km 1% 100%
Pontypool 15.9 km 11% 100%
Buckland 16.0 km 2% 100%
Little Swanport 17.3 km 10% 100%
Swanston
Southern Midlands
20.3 km 2% 100%
Rheban 21.8 km 9% 99%
Stonehenge
Southern Midlands
22.3 km 3% 100%
Maria Island 25.0 km 11% 100%
Woodsdale
Southern Midlands
27.7 km 1% 100%
Rocky Hills 28.5 km 3% 100%

See all Glamorgan-Spring Bay suburb profiles →