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Climate Risk Assessment for Twin Rivers, NSW

Twin Rivers, New South Wales
Medium Risk
Updated May 2026

Twin Rivers faces moderate climate risks, particularly from flooding and heatwaves. Climate change is projected to increase the frequency and intensity of these events, impacting residents and infrastructure. Proactive adaptation measures are essential to mitigate these risks.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
4.0
Heat
7.0
Coastal
3.0

Climate Hazard Breakdown for Twin Rivers

increasing

Flood

60/100

Twin Rivers faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
increasing

Bushfire

40/100

Bushfire risk in Twin Rivers is moderate, with some areas bordering bushland. Hotter, drier conditions are projected to increase bushfire frequency and intensity.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

70/100

Twin Rivers is likely to experience more frequent and intense heatwaves. Vulnerable populations are at higher risk during these events.

Key drivers:

  • ·Increased temperatures
  • ·Urban heat island effect
increasing

Coastal

30/100

Coastal risk is low due to the suburb's inland location. However, sea level rise could indirectly impact the region.

Key drivers:

  • ·Sea level rise
  • ·Storm surges
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Twin Rivers

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

Twin Rivers is likely to experience more frequent and intense heatwaves. Vulnerable populations are at higher risk during these events.

Primary Drivers

  • ·Increased temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

60/100

Twin Rivers faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

coastal Risk

30/100

Coastal risk is low due to the suburb's inland location. However, sea level rise could indirectly impact the region.

Primary Drivers

  • ·Sea level rise
  • ·Storm surges

Projections (RCP8.5)

2030

3.5

2050

4.0

Data source

bushfire Risk

40/100

Bushfire risk in Twin Rivers is moderate, with some areas bordering bushland. Hotter, drier conditions are projected to increase bushfire frequency and intensity.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Fuel load

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to flood and bushfire risks.

Price Impact

Properties in flood-prone areas may experience price reductions.

Buyer Checklist

  • 1.Check flood maps and bushfire prone areas.
  • 2.Assess property's vulnerability to heatwaves.
  • 3.Review insurance options and costs.
  • 4.Consider energy efficiency upgrades.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Local River
Elevation Range
10-30 meters
Flood Zone
Partially within flood zone

Some areas near the river are prone to flooding during heavy rainfall events.

View council flood map

Bushfire Evidence

Distance to Bushland
1-5 km
Planning Overlay
RFS Bushfire Prone Land
Bushfire Prone Area
Yes

Properties bordering bushland are at higher risk during bushfire season.

Heat Evidence

Avg January Max Temp
32.5°C
Heat Stress Days/Year
5 days

The suburb experiences several days above 35°C each summer.

Coastal Evidence

Distance to Coast
50 km
Sea Level Rise Exposure
Low
Erosion Risk
Negligible

Historical Climate Events

2011
floodModerate

Major flooding event impacted the region, causing property damage and displacement.

Source
2013
bushfireModerate

Bushfires threatened the outskirts of the suburb, requiring evacuations.

Source
2017
heatwaveModerate

Prolonged heatwave with temperatures exceeding 40°C for several days.

Source
2020
stormMinor

Severe storm caused localized flooding and power outages.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood606.5(+0.5)7.0(+1.0)
bushfire404.3(+0.3)4.6(+0.6)
heat707.7(+0.7)8.2(+1.2)
coastal303.2(+0.2)3.4(+0.4)

By 2030, Twin Rivers is projected to experience a moderate increase in overall climate risk, with notable increases in flood and heatwave risks. Adaptation measures are needed to mitigate these impacts.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees, drainage improvements, and flood-proofing of buildings.

Est. cost: High

Learn more

Enhance Heatwave Preparedness

Immediate

Develop and implement heatwave early warning systems, cooling centers, and community outreach programs to protect vulnerable populations.

Est. cost: Medium

Learn more

Strengthen Bushfire Resilience

Near-term

Implement bushfire risk reduction measures, such as vegetation management, fire breaks, and community education programs.

Est. cost: Medium

Learn more

Promote Water Conservation

Long-term

Encourage water conservation through education, incentives, and water-efficient technologies to address potential water scarcity issues.

Est. cost: Low

Learn more

About Twin Rivers's Climate Risk Profile

Twin Rivers, NSW, is exposed to a range of climate-related risks that are projected to worsen in the coming decades. The primary concerns are flooding, heatwaves, and bushfires, with coastal risks being less direct due to the suburb's inland location.

Flooding is a significant threat, with increased rainfall intensity expected to lead to more frequent and severe flood events. This poses risks to property, infrastructure, and human safety. Effective flood management strategies are crucial to protect the community.

Heatwaves are also a growing concern, with rising temperatures increasing the risk of heat stress and related health issues, especially among vulnerable populations. Urban planning and community support programs can help mitigate the impacts of heatwaves.

Bushfire risk is moderate, with the potential for increased frequency and intensity due to hotter, drier conditions. Residents should be prepared and aware of bushfire safety measures.

While coastal risks are less direct, sea level rise could indirectly impact the region through changes in weather patterns and increased storm surges. Monitoring and planning for these potential impacts are important.

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

Local Government Resources

Local Council

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks for Twin Rivers?

The main climate change risks for Twin Rivers are increased flooding, more frequent and intense heatwaves, and a moderate risk of bushfires. Sea level rise poses an indirect risk.

How will climate change affect property values in Twin Rivers?

Properties in flood-prone areas may experience price reductions. Overall, climate change could lead to increased insurance premiums and reduced resale value for vulnerable properties.

What is the council doing to address climate change?

The local council is developing and implementing a climate strategy that includes measures to reduce greenhouse gas emissions, improve flood management, and enhance community resilience to heatwaves and bushfires. Check the council website for more details.

How can I prepare my home for more frequent heatwaves?

You can prepare your home by installing insulation, using energy-efficient appliances, planting shade trees, and ensuring you have access to cooling during heatwaves. Consider installing air conditioning or fans.

What should I do during a flood?

During a flood, stay informed about warnings and evacuation orders. Move to higher ground, avoid driving through floodwaters, and follow the instructions of emergency services. Have an emergency kit ready.

Get your property's risk report

This suburb assessment covers the area. For a precise address-level climate risk report for any specific property in Twin Rivers, use our analysis tool.

Analyse a Property in Twin Rivers →

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