Is Tarrawanna, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.8/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Tarrawanna faces a moderate risk of flooding due to its proximity to creeks and drainage systems. Intense rainfall events can lead to flash flooding.
- Bushfire
- The suburb has a high bushfire risk due to its location near bushland areas. Dry conditions and strong winds can exacerbate the risk.
- Heat
- Tarrawanna experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected.
- Storm
- Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
- Postcode
- 2518
- Highest high-risk exposure
- 9.8% of land (surface flood)
Climate Safety Analysis
Tarrawanna in New South Wales 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 Tarrawanna's climate safety include flood, bushfire. 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 Tarrawanna 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 Tarrawanna including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Tarrawanna (postcode 2518) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are surface flood (9.8% of land in high-risk zones), bushfire (6.2% of land in high-risk zones), riverine flood (5% of land in high-risk zones). Exposure is not uniform across Tarrawanna — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Local Hazard Evidence
Historical Events
Prolonged heatwave conditions impacted vulnerable residents, with temperatures exceeding 40 degrees Celsius for several days.
A severe storm brought heavy rain and strong winds to Tarrawanna, causing power outages and property damage.
A bushfire near the Illawarra Escarpment threatened properties in Tarrawanna. Firefighters successfully contained the blaze.
Heavy rainfall caused flash flooding in Tarrawanna, impacting several homes and businesses. Mullet Creek overflowed its banks.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Bushfire Risk Mitigation
ImmediateImplement vegetation management programs and promote property maintenance to reduce bushfire fuel loads.
Est. cost: Low
Heatwave Preparedness
Near-termDevelop a heatwave response plan and establish cooling centers to protect vulnerable residents.
Est. cost: Low
Coastal Hazard Adaptation
Long-termMonitor sea level rise and develop strategies to protect coastal infrastructure and communities.
Est. cost: High
Council & Emergency Services
Explore Tarrawanna Risk Reports
View other climate risk assessments for Tarrawanna:
Frequently Asked Questions
Is Tarrawanna safe from climate change?
No location in Australia is entirely immune to climate change impacts. Tarrawanna 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 Tarrawanna?
The dominant hazard for Tarrawanna 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 Tarrawanna 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 New South Wales suburbs.
Should I be concerned about buying property in Tarrawanna?
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 Tarrawanna?
Key projections for New South Wales 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 Tarrawanna.
What share of Tarrawanna is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 9.8% of Tarrawanna in high-risk zones for surface flood, with a further 68.4% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Tarrawanna Safe from Climate Risk?
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections