Climate Risk in Middle Swan, Western Australia

Middle Swan, Western Australia
Medium Risk
Updated Apr 2026

Middle Swan faces moderate risks from flooding and heatwaves, which are expected to increase with climate change. Bushfire risk is also a concern. Coastal risks are minimal due to its inland location.

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 Middle Swan

increasing

Flood

65/100

Middle Swan faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.

Key drivers:

  • ·Increased rainfall intensity
  • ·Rising river levels
increasing

Bushfire

42/100

The risk of bushfires in Middle Swan is moderate due to the presence of nearby bushland. Drier conditions and higher temperatures associated with climate change are expected to increase the frequency and intensity of bushfires.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

70/100

Middle Swan is likely to experience more frequent and intense heatwaves due to climate change. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key drivers:

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

Coastal

15/100

Middle Swan is located inland and has a low risk of coastal hazards such as sea level rise and coastal erosion.

Key drivers:

  • ·Distance from the coast
stable

Wind

32/100

Moderate wind risk — winter storms

stable

Storm

28/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

39/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Middle Swan

Detailed Hazard Analysis

heat Risk

70/100

Middle Swan is likely to experience more frequent and intense heatwaves due to climate change. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Primary Drivers

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect
  • ·Reduced vegetation cover

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

Middle Swan faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Rising river levels
  • ·Urban development

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

15/100

Middle Swan is located inland and has a low risk of coastal hazards such as sea level rise and coastal erosion.

Primary Drivers

  • ·Distance from the coast

Projections (RCP8.5)

2030

1.5

2050

1.5

Data source

bushfire Risk

42/100

The risk of bushfires in Middle Swan is moderate due to the presence of nearby bushland. Drier conditions and higher temperatures associated with climate change are expected to increase the frequency and intensity of bushfires.

Primary Drivers

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

Projections (RCP8.5)

2030

4.7

2050

5.2

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to the increased risk of flooding and bushfires.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess bushfire risk and implement mitigation measures.
  • 3.Consider the impact of heatwaves on property value and comfort.
  • 4.Ensure adequate insurance coverage for climate-related risks.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Swan River
Elevation Range
10-20 meters
Flood Zone
Areas near the Swan River are prone to flooding.

Historical flood data indicates that properties close to the river have experienced flooding in the past.

View council flood map

Bushfire Evidence

Distance to Bushland
Within 1km of bushland areas
Planning Overlay
DFES Bushfire Prone Areas Map
Bushfire Prone Area
Yes

The presence of eucalyptus trees and dry vegetation increases the risk of bushfires spreading to residential areas.

Heat Evidence

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

The urban environment in Middle Swan contributes to the urban heat island effect, increasing temperatures during heatwaves.

Coastal Evidence

Distance to Coast
25 km
Sea Level Rise Exposure
Low
Erosion Risk
Low

Historical Climate Events

2010
floodModerate

Heavy rainfall caused the Swan River to flood, affecting properties near the riverbank.

Source
2011
bushfireMinor

A bushfire near Middle Swan caused smoke haze and required firefighting efforts.

Source
2015
heatwaveModerate

A prolonged heatwave resulted in increased hospital admissions and strain on infrastructure.

Source
2021
floodMinor

Localized flooding occurred after a period of intense rainfall.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

HazardToday20302050
flood656.9(+0.4)7.5(+1.0)
bushfire424.4(+0.2)4.9(+0.7)
heat707.5(+0.5)8.5(+1.5)
coastal151.51.5

Under a moderate emissions scenario, Middle Swan is projected to experience a slight increase in overall climate risk, with notable increases in flood and heatwave risks.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees and improved drainage systems.

Est. cost: High

Learn more

Implement Bushfire Management Strategies

Near-term

Reduce fuel loads and create firebreaks to protect properties from bushfires.

Est. cost: Medium

Learn more

Develop Heatwave Preparedness Plans

Immediate

Establish cooling centers and provide public education on how to stay safe during heatwaves.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage residents to conserve water to reduce the strain on water resources during droughts and heatwaves.

Est. cost: Low

Learn more

Enhance Community Awareness

Immediate

Conduct workshops and distribute information to educate residents about climate risks and adaptation measures.

Est. cost: Low

Learn more

About Middle Swan's Climate Risk Profile

Middle Swan, Western Australia, is situated in a region that is increasingly vulnerable to the impacts of climate change. The primary concerns for this suburb are flooding, bushfires, and heatwaves. While coastal hazards are not a significant threat due to its inland location, the other risks require careful consideration and proactive adaptation measures.

Flooding is a notable concern for Middle Swan, primarily due to its proximity to the Swan River. Climate change projections indicate an increase in rainfall intensity, which could lead to more frequent and severe flood events. This poses a risk to properties located near the river and could disrupt transportation and infrastructure.

Bushfire risk is also a factor in Middle Swan, with nearby bushland creating a potential source of ignition. Drier conditions and higher temperatures, driven by climate change, are expected to exacerbate the risk of bushfires, potentially threatening homes and livelihoods.

Heatwaves are another significant concern for Middle Swan. As temperatures rise, the suburb is likely to experience more frequent and intense heatwaves, which can have serious health impacts, particularly for vulnerable populations. The urban heat island effect may further amplify these risks.

Addressing these climate risks requires a multi-faceted approach, including improved flood management strategies, bushfire mitigation measures, and heatwave preparedness plans. Community engagement and education are also crucial to ensure that residents are aware of the risks and know how to protect themselves.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Middle Swan?

The main climate change risks for Middle Swan are flooding, bushfires, and heatwaves. These risks are expected to increase in the future due to climate change.

How will climate change affect property values in Middle Swan?

Properties in flood-prone areas may experience a decrease in value. Increased insurance premiums due to climate-related risks may also affect property values.

What can I do to protect my home from bushfires?

You can reduce fuel loads around your home, create firebreaks, and ensure that you have adequate insurance coverage.

How can I stay safe during a heatwave?

Stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activities during the hottest part of the day.

What is the City of Swan doing to address climate change?

The City of Swan is developing and implementing climate strategies to reduce greenhouse gas emissions and adapt to the impacts of climate change.

Where can I find more information about flood risks in Middle Swan?

You can find more information about flood risks on the City of Swan website and the Department of Water and Environmental Regulation website.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections