Trial Harbour flood map & planning overlays
A planning-constraint profile of Trial Harbour
(West Coast, TAS) - 19.4 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 10 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
19.4 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Trial Harbour's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Trial Harbour at a glance
How Trial Harbour is zoned
Buying in Trial Harbour? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title.
Across its 19.4 km², Trial Harbour is highly constrained by planning overlays. About 6% of the suburb sits within a mapped flood overlay, and 98% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 943 m² across 88 parcels.
Who lives in Trial Harbour
Census 2021 figures published by the ABS for the Trial Harbour 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 914, and decile 4 within Tasmania. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of West Coast (Tas.), the wider ABS statistical area containing Trial Harbour. There is no annual population series published at suburb level, so this describes the surrounding area rather than Trial Harbour itself.
5,572 in 2001 to 4,320 in 2025, down 22%.
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.
Trial Harbour 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 Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Bushfire-prone mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Zoning | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Heritage and environment | Mapped where published | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Aircraft noise contours (ANEF) | Not held | the Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 10 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 Trial Harbour 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 →Trial Harbour planning - frequently asked
Is Trial Harbour flood-prone?
About 6% of Trial Harbour falls within a mapped flood overlay, against the council-wide suburb average of 4%.
Is Trial Harbour bushfire-prone?
Around 98% of Trial Harbour is mapped as bushfire-prone, compared with a West Coast average of 99%.
What is the zoning in Trial Harbour?
The dominant planning zone in Trial Harbour is Rural, though the suburb also includes Environmental Management and Low Density Residential.
Does Trial Harbour have heritage-listed places?
No heritage-listed places are on record within Trial Harbour.
What is the typical lot size in Trial Harbour?
Across 88 surveyed parcels in Trial Harbour, the median lot size is about 943 m².
Is Trial Harbour an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Trial Harbour scores 914 and sits in decile 2 of 10 nationally and decile 4 within Tasmania (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Zeehan | 14.6 km | 0% | 99% |
| Granville Harbour | 17.0 km | 4% | 100% |
| Renison Bell | 25.3 km | 0% | 100% |
| Strahan | 27.2 km | 6% | 100% |
| Rosebery | 30.2 km | 0% | 100% |
| Lake Margaret | 31.1 km | 0% | 100% |
| Macquarie Heads | 31.8 km | 21% | 100% |
| Queenstown | 33.6 km | 0% | 100% |
| Corinna Waratah-Wynyard |
34.8 km | 0% | 100% |
| Gormanston | 38.7 km | 0% | 100% |