What the mapping shows for Legana
Part of Legana is mapped as subject to coastal inundation.
9.2% of Legana is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
48.6% of Legana is mapped as subject to coastal erosion (coastal erosion hazard band mapped for the Tasmanian planning system)
Tasmanian Coastal Inundation Hazard Bands (20161201), State of Tasmania (Department of Premier and Cabinet), Creative Commons Attribution 4.0, retrieved 2026-10-23
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Legana →Flood Risk in Legana, TAS: 2026 Assessment
9.2% of Legana is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections
Not ready to check your address? See a free sample report →
Flood Risk Score
Not assessedLegana faces a moderate risk of flooding due to its proximity to the Tamar River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
Key Facts
- Flood Risk
- Legana faces a moderate risk of flooding due to its proximity to the Tamar River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
- Trend
- increasing
- Suburb
- Legana, TAS
- Overall Risk
- Low
- Postcode
- 7277
Flood Risk Analysis
Legana, located in Tasmania, has a location-specific flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Tasmania.
Historical flood events have occurred along the Tamar River, impacting low-lying areas in Legana.
Legana faces a moderate risk of flooding due to its proximity to the Tamar River and low-lying areas. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Legana. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
Significant rainfall caused flooding along the Tamar River, impacting low-lying areas in Legana.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in flood defenses, such as levees and improved drainage systems, to protect properties near the Tamar River.
Est. cost: Medium
Enhance Bushfire Preparedness
Near-termImplement bushfire mitigation measures, such as fuel reduction and community education programs.
Est. cost: Low
Develop Heat Action Plan
Near-termDevelop a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.
Est. cost: Low
Monitor Coastal Erosion
Long-termImplement a coastal monitoring program to assess erosion rates and develop strategies to protect coastal assets.
Est. cost: Medium
Upgrade Building Codes
Long-termUpdate building codes to incorporate climate resilience measures, such as improved insulation and flood-resistant materials.
Est. cost: High
Council & Emergency Services
Explore Legana Risk Reports
View other climate risk assessments for Legana:
Frequently Asked Questions
Is Legana at risk of flooding?
Based on available data, Legana has a location-specific flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.
What flood insurance costs can I expect in Legana?
Insurance costs for flood cover in Legana depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.
Does flood risk affect property values in Legana?
Yes, flood risk can affect property values in Legana. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.
How does elevation affect flood risk in Legana?
Elevation is a critical factor in flood risk. Properties at higher elevations within Legana typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.
Is Legana Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Legana, Tasmania, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections