Rosny flood map & planning overlays
A planning-constraint profile of Rosny (Clarence, TAS) - 0.77 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
0.77 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Rosny'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.
Rosny at a glance
How Rosny is zoned
Buying in Rosny? 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 Rosny address.
Across its 0.77 km², Rosny is highly constrained by planning overlays. About 9% of the suburb sits within a mapped flood overlay, and 34% is flagged bushfire-prone. The dominant land-use zone is General Residential. The median lot measures about 715 m² across 399 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.
Rosny 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 | 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) |
| Demographics | Not available | Australian 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 Rosny 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 →Rosny planning - frequently asked
Where can I see a flood map of Rosny?
The schematic on this page is a Rosny flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 9% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Rosny address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Rosny flood-prone?
About 9% of Rosny falls within a mapped flood overlay, against the council-wide suburb average of 16%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Rosny bushfire-prone?
Yes - around 34% of Rosny is mapped as bushfire-prone, compared with a Clarence average of 66%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Rosny?
The dominant planning zone in Rosny is General Residential, though the suburb also includes Environmental Management and Open Space. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Rosny have heritage-listed places?
No heritage-listed places are on record within Rosny. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Rosny?
Across 399 surveyed parcels in Rosny, the median lot size is about 715 m². There are also 11 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 Rosny property?
A Rosny 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 |
|---|---|---|---|
| Montagu Bay | 0.7 km | 13% | 6% |
| Rosny Park | 1.1 km | 22% | 0% |
| Rose Bay | 1.4 km | 14% | 38% |
| Bellerive | 1.8 km | 12% | 17% |
| Queens Domain Hobart |
2.4 km | 2% | 71% |
| Glebe Hobart |
2.5 km | 1% | 12% |
| Hobart Hobart |
2.6 km | 14% | 0% |
| Battery Point Hobart |
2.9 km | 5% | 0% |
| North Hobart Hobart |
3.2 km | 3% | 0% |
| Warrane | 3.5 km | 8% | 63% |