Climate Risk in Gidgegannup, Western Australia

Gidgegannup, Western Australia
High Risk
Updated Mar 2026

Gidgegannup faces significant risks from bushfires and heatwaves, with moderate flood risk. Climate change is expected to exacerbate these risks, requiring proactive adaptation measures.

Overall Risk Score

72/100
High

Confidence: Medium

Hazard Breakdown

Flood
4.5
Bushfire
8.5
Heat
6.0
Coastal
1.0

Climate Hazard Breakdown for Gidgegannup

increasing

Flood

45/100

Gidgegannup faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is projected to increase due to climate change.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

85/100

Gidgegannup is at very high risk of bushfires due to its proximity to dense bushland and dry climate. Climate change is expected to exacerbate these conditions, leading to more frequent and intense bushfires.

Key drivers:

  • ·Dry climate
  • ·Dense vegetation
increasing

Heat

60/100

Gidgegannup experiences a high number of heatwave days annually, posing a risk to vulnerable populations. Climate change is projected to increase the frequency and intensity of heatwaves.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

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

Key drivers:

  • ·Distance from coast
  • ·Elevation
stable

Wind

45/100

Moderate wind risk — winter storms

stable

Storm

40/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

30/100

Moderate social stability

increasing

Energy

55/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Gidgegannup

Detailed Hazard Analysis

heat Risk

60/100

Gidgegannup experiences a high number of heatwave days annually, posing a risk to vulnerable populations. Climate change is projected to increase the frequency and intensity of heatwaves.

Primary Drivers

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

Projections (RCP8.5)

2030

6.5

2050

7.3

Data source

flood Risk

45/100

Gidgegannup faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is projected to increase due to climate change.

Primary Drivers

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

Projections (RCP8.5)

2030

5.0

2050

5.8

Data source

coastal Risk

10/100

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

Primary Drivers

  • ·Distance from coast
  • ·Elevation

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

85/100

Gidgegannup is at very high risk of bushfires due to its proximity to dense bushland and dry climate. Climate change is expected to exacerbate these conditions, leading to more frequent and intense bushfires.

Primary Drivers

  • ·Dry climate
  • ·Dense vegetation
  • ·Climate change
  • ·Increased temperatures

Projections (RCP8.5)

2030

8.8

2050

9.2

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to the high risk of bushfires and other climate-related events.

Price Impact

Properties in high-risk areas may experience a decrease in value due to climate change impacts.

Buyer Checklist

  • 1.Check bushfire risk assessment
  • 2.Assess flood risk
  • 3.Evaluate energy efficiency of the property
  • 4.Consider water conservation measures
  • 5.Review insurance options

Local Climate Evidence

Flood Evidence

Nearest Waterway
Swan River
Elevation Range
150-350m
Flood Zone
Low-lying areas near waterways

Historical flood events have been recorded along the Swan River and its tributaries in the Gidgegannup area.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to large areas of native bushland
Planning Overlay
DFES Bushfire Prone Area Overlay
Bushfire Prone Area
Yes

Gidgegannup is designated as a bushfire-prone area due to the high density of vegetation and dry climate.

Heat Evidence

Avg January Max Temp
33.5°C
Heat Stress Days/Year
5 days

The number of days exceeding 35°C is projected to increase significantly under climate change scenarios.

Coastal Evidence

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

Historical Climate Events

2009
bushfireMajor

A major bushfire impacted the Gidgegannup area, causing significant property damage and environmental damage.

Source
2010
floodModerate

Heavy rainfall caused flooding in low-lying areas of Gidgegannup, disrupting transportation and damaging infrastructure.

Source
2011
heatwaveModerate

A prolonged heatwave affected Gidgegannup, leading to increased demand for emergency services and strain on infrastructure.

Source
2015
bushfireModerate

A bushfire near Gidgegannup threatened properties and required extensive firefighting efforts.

Source
2021
floodMinor

Localized flooding occurred in Gidgegannup due to heavy rainfall, causing minor damage to properties.

Source

Climate Outlook to 2050

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

HazardToday2030205020302050
flood454.7(+0.2)4.9(+0.4)4.8(+0.3)5.1(+0.6)
bushfire858.9(+0.4)9.2(+0.7)9.1(+0.6)9.5(+1.0)
heat606.5(+0.5)6.8(+0.8)6.7(+0.7)7.2(+1.2)
coastal101.01.01.01.0

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

CSIRO Climate Projections

Adaptation Recommendations

Develop and implement a comprehensive bushfire management plan

Immediate

This plan should include strategies for fuel reduction, early warning systems, and community education.

Est. cost: Medium

Learn more

Improve the energy efficiency of buildings

Near-term

This can be achieved through insulation, solar panels, and other energy-saving measures to reduce the impact of heatwaves.

Est. cost: Medium

Learn more

Invest in water management infrastructure

Near-term

This includes improving drainage systems and constructing flood barriers to mitigate flood risks.

Est. cost: High

Learn more

Promote sustainable land use practices

Long-term

This includes preserving natural vegetation and implementing responsible urban planning to reduce bushfire hazards.

Est. cost: Low

Learn more

Establish community emergency response teams

Immediate

Train local residents in first aid, fire safety, and emergency preparedness to enhance community resilience.

Est. cost: Low

Learn more

About Gidgegannup's Climate Risk Profile

Gidgegannup, Western Australia, is a suburb that faces a range of climate-related challenges. The primary concerns are bushfire risk due to the surrounding dense vegetation and dry conditions, and increasing heatwave frequency and intensity.

Flooding is a secondary concern, with potential for heavy rainfall events to cause localized flooding. While Gidgegannup is not directly exposed to coastal hazards, the broader impacts of climate change, such as extreme weather events, can still affect the region.

The local community and authorities need to prioritize bushfire preparedness and mitigation strategies. This includes maintaining firebreaks, managing vegetation, and implementing early warning systems. Additionally, measures to reduce the urban heat island effect and protect vulnerable populations during heatwaves are crucial.

Long-term planning should incorporate climate change projections to ensure infrastructure and community services are resilient to future climate impacts. This includes investing in water management infrastructure to mitigate flood risks and promoting sustainable land use practices to reduce bushfire hazards.

Data sources: BOM · CSIRO · DFES · DBCA

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Gidgegannup?

The main climate risks facing Gidgegannup are bushfires, heatwaves, and flooding. These risks are expected to increase due to climate change.

How can I prepare my property for bushfires in Gidgegannup?

You can prepare your property for bushfires by maintaining firebreaks, clearing vegetation around your home, and having a bushfire survival plan.

What is the local council doing to address climate change in Gidgegannup?

The City of Swan is implementing various initiatives to address climate change, including developing a climate strategy, promoting energy efficiency, and investing in water management infrastructure.

Where can I find information about flood risks in Gidgegannup?

You can find information about flood risks in Gidgegannup on the Department of Biodiversity, Conservation and Attractions (DBCA) website and the City of Swan website.

How can I reduce my carbon footprint in Gidgegannup?

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

Are there any community groups in Gidgegannup focused on climate action?

Yes, there are several community groups in the region focused on environmental sustainability and climate action. Check with the City of Swan for a list of local organizations.

Get your property's risk report

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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