Is Wallacia, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.8/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Wallacia faces a moderate risk of flooding due to its proximity to the Warragamba River and other waterways. Heavy rainfall events can lead to riverine and flash flooding.
- Bushfire
- Wallacia has a high bushfire risk due to its location near extensive bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during the bushfire season.
- Heat
- Wallacia experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected in the future.
- Storm
- Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
- Postcode
- 2745
- Highest high-risk exposure
- 11.8% of land (bushfire)
Climate Safety Analysis
Wallacia 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 Wallacia'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 Wallacia 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 Wallacia including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Wallacia (postcode 2745) 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 bushfire (11.8% of land in high-risk zones), surface flood (5.8% of land in high-risk zones), riverine flood (4.8% of land in high-risk zones). Exposure is not uniform across Wallacia — 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
The 2019-2020 bushfire season saw significant fires in the region surrounding Wallacia, with widespread smoke and hazardous air quality impacting the suburb.
A bushfire broke out near Wallacia, but was quickly contained by firefighters. No properties were damaged.
Heavy rainfall caused flooding in the Warragamba River, impacting low-lying areas of Wallacia. Roads were closed, and some properties were affected.
Bushfires threatened Wallacia, requiring residents to evacuate. Several properties were damaged, and firefighters worked to contain the blaze.
Major flooding occurred in the Warragamba River catchment, impacting Wallacia and surrounding areas. Many properties were inundated, and infrastructure was damaged.
Adaptation & Mitigation Actions
Develop a Flood Emergency Plan
ImmediateCreate a detailed plan for responding to flood events, including evacuation routes, emergency contacts, and essential supplies.
Est. cost: Low
Implement Bushfire Protection Measures
ImmediateClear vegetation around your property, install fire-resistant materials, and develop a bushfire survival plan.
Est. cost: Medium
Improve Home Cooling and Insulation
Near-termInstall air conditioning, improve insulation, and plant trees to reduce heat exposure during heatwaves.
Est. cost: Medium
Support Local Flood Mitigation Projects
Long-termAdvocate for and support local government initiatives to improve flood defenses and drainage infrastructure.
Est. cost: High
Participate in Community Bushfire Preparedness Programs
Near-termEngage with local fire brigades and community groups to learn about bushfire safety and preparedness.
Est. cost: Low
Council & Emergency Services
Explore Wallacia Risk Reports
View other climate risk assessments for Wallacia:
Frequently Asked Questions
Is Wallacia safe from climate change?
No location in Australia is entirely immune to climate change impacts. Wallacia 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 Wallacia?
The dominant hazard for Wallacia 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 Wallacia 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 Wallacia?
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 Wallacia?
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 Wallacia.
What share of Wallacia is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 11.8% of Wallacia in high-risk zones for bushfire, with a further 63.2% 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 Wallacia Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Wallacia, New South Wales, covering flood, bushfire, sea level rise and more.
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections