What the mapping shows for Newnham
Part of Newnham is mapped as subject to coastal inundation.
7.8% of Newnham is mapped as subject to coastal inundation (coastal inundation hazard band, including 1% AEP storm tide at 2100)
86.9% of Newnham 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 Newnham →Is Newnham, TAS Climate Safe? 2026 Assessment
7.8% of Newnham 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.
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Climate Safety Score
5.2Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Newnham faces a moderate risk of flooding due to its proximity to the Tamar River and low-lying areas. Increased rainfall intensity could exacerbate this risk.
- Bushfire
- Bushfire risk in Newnham is moderate, with some areas bordering bushland. Drier conditions and higher temperatures could increase the likelihood of bushfires.
- Heat
- Newnham is likely to experience more frequent and intense heatwaves. This could pose a risk to vulnerable populations.
- Storm
- Moderate storm risk — westerly wind storms and occasional severe weather
- Postcode
- 7248
Climate Safety Analysis
Newnham in Tasmania has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.
Key factors affecting Newnham's climate safety include flood, coastal. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.
Climate safety for property in Newnham is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.
For a complete property-specific climate safety report for Newnham including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Newnham. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
Severe storms caused damage across Tasmania, including power outages and fallen trees in the Newnham area.
Significant flooding occurred in northern Tasmania, including areas near Newnham, following heavy rainfall.
Bushfires impacted parts of Tasmania, with smoke affecting air quality in Newnham.
Tasmania experienced a prolonged heatwave, with record temperatures recorded in some areas.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure to protect against flooding, such as levees, seawalls, and improved drainage systems.
Est. cost: High
Bushfire Preparedness
ImmediateImplement bushfire mitigation measures, such as clearing vegetation around homes and creating firebreaks.
Est. cost: Low
Heatwave Action Plan
Near-termDevelop a heatwave action plan to protect vulnerable populations during extreme heat events.
Est. cost: Medium
Coastal Management Strategy
Long-termDevelop a coastal management strategy to address the impacts of sea level rise and coastal erosion.
Est. cost: High
Community Education
Near-termRaise community awareness about climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Newnham Risk Reports
View other climate risk assessments for Newnham:
Frequently Asked Questions
Is Newnham safe from climate change?
No location in Australia is entirely immune to climate change impacts. Newnham has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.
Which climate hazard poses the biggest risk in Newnham?
The dominant hazard for Newnham depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.
How does Newnham compare to nearby suburbs for climate safety?
Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across Tasmania suburbs.
Should I be concerned about buying property in Newnham?
Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.
What climate projections should I know for Newnham?
Key projections for Tasmania from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for Newnham.
Is Newnham Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Newnham, Tasmania, covering flood, bushfire, sea level rise and more.
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*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections