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Climate Risk in Twelve Mile, NSW

Twelve Mile, New South Wales
Medium Risk
Updated May 2026

Twelve Mile faces increasing risks from climate change, particularly from flooding and heatwaves. Residents should prepare for more frequent extreme weather events and take steps to adapt to changing conditions.

Overall Risk Score

58/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.2
Heat
7.0
Coastal
1.5

Climate Hazard Breakdown for Twelve Mile

increasing

Flood

65/100

Twelve Mile 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

42/100

The area around Twelve Mile has a moderate bushfire risk due to surrounding vegetation. Hotter, drier conditions are expected to increase the frequency and intensity of bushfires.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

70/100

Twelve Mile is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key drivers:

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect
increasing

Coastal

15/100

Twelve Mile is not directly on the coast, so the risk of coastal hazards is low. However, sea level rise could indirectly affect the area through changes in weather patterns.

Key drivers:

  • ·Sea level rise
  • ·Storm surge
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 Twelve Mile

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

Twelve Mile is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Primary Drivers

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

Twelve Mile 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

7.0

2050

7.5

Data source

coastal Risk

15/100

Twelve Mile is not directly on the coast, so the risk of coastal hazards is low. However, sea level rise could indirectly affect the area through changes in weather patterns.

Primary Drivers

  • ·Sea level rise
  • ·Storm surge

Projections (RCP8.5)

2030

1.8

2050

2.2

Data source

bushfire Risk

42/100

The area around Twelve Mile has a moderate bushfire risk due to surrounding vegetation. Hotter, drier conditions are expected to increase the frequency and intensity of bushfires.

Primary Drivers

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

Projections (RCP8.5)

2030

4.8

2050

5.5

Data source

What This Means for Property Owners

Insurance Outlook

Premiums may increase due to climate risks

Price Impact

Potential for decreased property values in high-risk areas

Buyer Checklist

  • 1.Check flood maps
  • 2.Assess bushfire risk
  • 3.Consider energy efficiency
  • 4.Review insurance options

Local Climate Evidence

Flood Evidence

Nearest Waterway
Local creeks and streams
Elevation Range
Varies across the suburb
Flood Zone
Potentially affected areas near waterways

Check local council flood maps for specific property risks.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
Refer to NSW RFS bushfire prone land maps
Bushfire Prone Area
Yes

Maintain fire breaks and clear vegetation around properties.

Heat Evidence

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

Stay hydrated and seek air-conditioned environments during heatwaves.

Coastal Evidence

Distance to Coast
50 km
Sea Level Rise Exposure
Indirectly affected by sea level rise
Erosion Risk
Low

Historical Climate Events

2011
floodModerate

Major flooding event impacted the region, causing property damage and disruptions to infrastructure.

Source
2013
bushfireModerate

Bushfires in the surrounding areas threatened the suburb, requiring evacuations and property protection measures.

Source
2017
heatwaveModerate

Prolonged heatwave conditions led to increased hospital admissions and strain on energy infrastructure.

Source
2020
floodMinor

Localized flooding occurred after heavy rainfall, causing minor disruptions.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire424.8(+0.6)5.3(+1.1)
heat707.8(+0.8)8.5(+1.5)
coastal151.7(+0.2)1.9(+0.4)

By 2030, Twelve Mile is projected to experience a moderate increase in overall climate risk, with notable increases in heatwave frequency and intensity. Flooding and bushfire risks are also expected to rise.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in infrastructure improvements to reduce flood risk, such as levees, drainage systems, and stormwater management.

Est. cost: High

Learn more

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation measures, such as clearing vegetation around properties, creating fire breaks, and developing evacuation plans.

Est. cost: Medium

Learn more

Develop Heatwave Response Plan

Immediate

Establish a heatwave response plan to protect vulnerable populations, including cooling centers, public awareness campaigns, and early warning systems.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage water conservation through education programs, rebates for water-efficient appliances, and restrictions on water use during droughts.

Est. cost: Low

Learn more

About Twelve Mile's Climate Risk Profile

Twelve Mile, NSW, is expected to experience a range of climate change impacts over the coming decades. The most significant risks are associated with increased flooding due to more intense rainfall events and rising sea levels. Heatwaves are also projected to become more frequent and severe, posing a threat to public health.

The bushfire risk in Twelve Mile is moderate and is expected to increase as conditions become hotter and drier. Residents should be aware of the potential for bushfires and take steps to protect their properties.

While Twelve Mile is not directly on the coast, the suburb could be indirectly affected by sea level rise and coastal erosion. Changes in weather patterns and increased storm intensity could also have an impact.

Adapting to climate change will require a combination of individual actions and community-level initiatives. Residents can take steps to reduce their vulnerability to climate risks by preparing for extreme weather events, conserving water, and reducing their carbon footprint. Local authorities can play a role by investing in infrastructure improvements, implementing climate-smart planning policies, and providing support to vulnerable communities.

Data sources: BOM · CSIRO · NSW RFS · NSW Department of Planning and Environment

Local Government Resources

UNKNOWN

Flood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Twelve Mile?

The main climate change risks in Twelve Mile are increased flooding, more frequent and intense heatwaves, and a higher risk of bushfires.

How can I prepare my property for flooding?

You can prepare your property for flooding by elevating appliances, installing flood barriers, and ensuring proper drainage.

What should I do during a heatwave?

During a heatwave, stay hydrated, seek air-conditioned environments, and avoid strenuous activities.

How can I reduce my carbon footprint?

You can reduce your carbon footprint by conserving energy, using public transportation, and reducing waste.

Where can I find more information about climate change in Twelve Mile?

You can find more information about climate change in Twelve Mile on the local council website, the NSW Department of Planning and Environment website, and the CSIRO website.

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 Twelve Mile, use our analysis tool.

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30-120%
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*Industry sources: ICA, APRA, RBA

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