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Climate Risk Assessment: Wallanthery, NSW

Wallanthery, New South Wales
High Risk
Updated May 2026

Wallanthery faces significant climate risks, particularly from bushfires and heatwaves. Flooding is also a concern due to increased rainfall intensity. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

72/100
High

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
8.0
Heat
7.0
Coastal
2.0

Climate Hazard Breakdown for Wallanthery

increasing

Flood

65/100

Wallanthery faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

80/100

The area surrounding Wallanthery is prone to bushfires, particularly during hot and dry conditions. The presence of dry vegetation increases the risk of fire ignition and spread.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

70/100

Wallanthery experiences high temperatures during summer, leading to heat stress for vulnerable populations. Climate change is expected to exacerbate heatwaves.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

20/100

Wallanthery is located inland and does not face a direct threat from coastal hazards such as sea level rise or coastal erosion.

Key drivers:

  • ·Distance from the coast
stable

Wind

40/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

55/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

30/100

Moderate social stability — mixed urban density

increasing

Energy

50/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Wallanthery

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

70/100

Wallanthery experiences high temperatures during summer, leading to heat stress for vulnerable populations. Climate change is expected to exacerbate heatwaves.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect
  • ·Reduced vegetation cover

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

Wallanthery faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

20/100

Wallanthery is located inland and does not face a direct threat from coastal hazards such as sea level rise or coastal erosion.

Primary Drivers

  • ·Distance from the coast

Projections (RCP8.5)

2030

2.0

2050

2.0

Data source

bushfire Risk

80/100

The area surrounding Wallanthery is prone to bushfires, particularly during hot and dry conditions. The presence of dry vegetation increases the risk of fire ignition and spread.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Strong winds
  • ·Climate change

Projections (RCP8.5)

2030

8.5

2050

9.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to climate risks.

Price Impact

Properties in high-risk areas may experience price reductions.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area overlays.
  • 2.Assess property's vulnerability to heatwaves.
  • 3.Inquire about insurance costs and coverage.
  • 4.Review council's climate adaptation plans.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Local creeks and drainage systems
Elevation Range
Variable, with some low-lying areas
Flood Zone
Potentially affected areas near creeks

Local drainage capacity may be exceeded during heavy rainfall events.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
Bushfire prone area overlay applies
Bushfire Prone Area
Yes

Residents should maintain firebreaks and be aware of fire danger ratings.

Heat Evidence

Avg January Max Temp
32°C
Heat Stress Days/Year
3 days

Heatwaves are becoming more frequent and intense.

Coastal Evidence

Distance to Coast
200 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2013
floodModerate

Heavy rainfall caused localized flooding in low-lying areas.

Source
2017
bushfireMajor

A significant bushfire impacted the region, causing property damage and evacuations.

Source
2019
heatwaveModerate

A prolonged heatwave resulted in heat stress and health impacts.

Source
2020
bushfireMajor

The Black Summer bushfires had a devastating impact on the region, with widespread property loss and environmental damage.

Source
2022
floodMajor

Severe flooding occurred due to record-breaking rainfall, causing widespread damage and displacement.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood656.8(+0.3)7.0(+0.5)
bushfire808.7(+0.7)9.0(+1.0)
heat707.5(+0.5)7.8(+0.8)
coastal202.02.0

By 2030, Wallanthery is projected to experience increased bushfire risk and more frequent heatwaves. Flooding risk will also rise due to more intense rainfall events.

CSIRO Climate Projections

Adaptation Recommendations

Improve bushfire preparedness

Immediate

Maintain firebreaks, develop evacuation plans, and participate in community fire safety programs.

Est. cost: Low

Learn more

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Implement heatwave early warning systems

Immediate

Develop and implement heatwave early warning systems to protect vulnerable populations.

Est. cost: Low

Learn more

Promote water conservation

Long-term

Encourage water conservation measures to reduce water stress during droughts and heatwaves.

Est. cost: Low

Learn more

Strengthen building codes

Near-term

Update building codes to incorporate climate resilience measures, such as flood-resistant construction and improved insulation.

Est. cost: Medium

Learn more

About Wallanthery's Climate Risk Profile

Wallanthery, NSW, is increasingly vulnerable to the impacts of climate change. The primary risks include bushfires, flooding, and heatwaves. Changes in temperature and rainfall patterns are expected to exacerbate these hazards in the coming decades.

Bushfire risk is elevated due to the surrounding dry vegetation and projected increases in hot, dry conditions. Residents should maintain firebreaks and have evacuation plans in place. The NSW Rural Fire Service provides resources and guidance for bushfire preparedness.

Flooding is a concern due to the potential for intense rainfall events. Improved drainage infrastructure and flood-resistant building practices can help mitigate the impact of floods. The State Emergency Service (SES) is the lead agency for flood response.

Heatwaves pose a significant threat to vulnerable populations, such as the elderly and those with chronic health conditions. Staying hydrated, seeking air-conditioned environments, and checking on neighbors are important strategies for coping with heatwaves. The Bureau of Meteorology provides heatwave forecasts and warnings.

Addressing climate change requires a combination of mitigation and adaptation measures. Reducing greenhouse gas emissions is essential to limit the severity of future climate impacts. Adaptation strategies, such as improving infrastructure and promoting community resilience, can help Wallanthery cope with the challenges ahead.

Data sources: BOM · CSIRO · NSW RFS · NSW SES

Local Government Resources

UNKNOWN

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate risks facing Wallanthery?

Wallanthery faces significant risks from bushfires, flooding, and heatwaves, which are expected to worsen with climate change.

How can I prepare my home for a bushfire?

Maintain firebreaks, clear gutters of debris, and have a bushfire survival plan in place. The NSW Rural Fire Service provides detailed guidance.

What should I do during a heatwave?

Stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors. Avoid strenuous activity during the hottest part of the day.

Where can I find information about flood risks in Wallanthery?

Flood maps are available from the local council and the NSW State Emergency Service. Be aware of flood warnings and have an evacuation plan.

How is the local council addressing climate change?

The local council is developing and implementing climate adaptation strategies to reduce the community's vulnerability to climate risks. Contact the council for more information.

Will climate change affect my property insurance?

Yes, insurance premiums may increase due to the increased risk of extreme weather events. Check with your insurer for details.

Get your property's risk report

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$300B+
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30-120%
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