Climate Risk in Banjup, Western Australia

Banjup, Western Australia· UNKNOWN
Medium Risk
Updated Mar 2026

Banjup faces moderate risks from flooding, bushfires, and heatwaves, which are projected to increase with climate change. Coastal risks are minimal due to its inland location. Residents should prepare for more frequent extreme weather events.

Overall Risk Score

5.2/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.5
Bushfire
6.0
Heat
5.0
Coastal
1.0

Detailed Hazard Analysis

heat Risk

5.0/10

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

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

4.5/10

Banjup faces a moderate risk of flooding, primarily from heavy rainfall events and localised drainage issues. The risk is expected to increase with climate change due to more intense rainfall.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Inadequate drainage infrastructure

Projections (RCP8.5)

2030

5.0

2050

5.5

Data source

coastal Risk

1.0/10

Banjup 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

1.0

2050

1.0

Data source

bushfire Risk

6.0/10

Banjup has a high bushfire risk due to its proximity to bushland areas. Hot, dry summers and strong winds contribute to the potential for bushfires. Climate change is expected to exacerbate these conditions.

Primary Drivers

  • ·Increased frequency of heatwaves
  • ·Drier vegetation
  • ·Strong winds

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to rising climate risks.

Price Impact

Property values may be affected by increasing climate risks, particularly bushfire risk.

Buyer Checklist

  • 1.Check flood risk maps
  • 2.Assess bushfire risk
  • 3.Ensure adequate insurance coverage
  • 4.Consider energy efficiency measures

Local Climate Evidence

Flood Evidence

Nearest Waterway
Forrestdale Lake
Elevation Range
30-50m
Flood Zone
Low to Moderate

Localised flooding can occur during heavy rainfall events due to drainage limitations.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland reserves
Planning Overlay
Bushfire Prone Area
Bushfire Prone Area
Yes

The area is designated as a bushfire prone area, requiring specific building standards for new developments.

Heat Evidence

Avg January Max Temp
31.5°C
Heat Stress Days/Year
3 days

Heatwaves are becoming more frequent, with potential impacts on vulnerable residents.

Coastal Evidence

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

Historical Climate Events

2010
floodModerate

Heavy rainfall caused localised flooding in Banjup, affecting some residential areas.

Source
2011
bushfireModerate

A bushfire near Banjup threatened properties, requiring residents to evacuate.

Source
2017
heatwaveModerate

A prolonged heatwave affected Banjup, with temperatures exceeding 40 degrees Celsius for several days.

Source
2022
floodMinor

Minor flooding occurred in low-lying areas of Banjup due to heavy rainfall.

Source

Climate Outlook to 2050

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

HazardToday2030205020302050
flood4.54.8(+0.3)5.0(+0.5)5.0(+0.5)5.3(+0.8)
bushfire6.06.4(+0.4)6.7(+0.7)6.6(+0.6)7.0(+1.0)
heat5.05.5(+0.5)5.8(+0.8)5.7(+0.7)6.2(+1.2)
coastal1.01.01.01.01.0

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

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade and maintain drainage systems to reduce the risk of localised flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Bushfire Preparedness Planning

Immediate

Develop and implement comprehensive bushfire preparedness plans, including evacuation routes and community education programs.

Est. cost: Low

Learn more

Heatwave Early Warning System

Near-term

Establish a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water demand during periods of drought and heatwaves.

Est. cost: Low

Learn more

Community Education Programs

Near-term

Implement community education programs to raise awareness of climate risks and promote adaptation measures.

Est. cost: Low

Learn more

About Banjup's Climate Risk Profile

Banjup, Western Australia, is a suburb that faces a number of climate-related challenges. The primary concerns are increasing risks from flooding, bushfires, and heatwaves. While the suburb is not directly exposed to coastal hazards, the broader impacts of climate change will still be felt.

Flooding is a moderate risk in Banjup, with potential for localised flooding during periods of heavy rainfall. Climate change is expected to increase the intensity of rainfall events, which could exacerbate flooding issues. It is important for residents to be aware of flood risks and take appropriate precautions.

Bushfire risk is a significant concern for Banjup, given its proximity to bushland areas. The region experiences hot, dry summers, which create ideal conditions for bushfires. Climate change is projected to increase the frequency and severity of bushfires, posing a greater threat to the community.

Heatwaves are also a growing concern for Banjup. As global temperatures rise, the suburb is likely to experience more frequent and intense heatwaves. This can have significant impacts on human health, particularly for vulnerable populations. Residents should take steps to stay cool and hydrated during heatwaves.

While Banjup is not directly exposed to coastal hazards, the impacts of climate change will still be felt through changes in rainfall patterns, increased temperatures, and more frequent extreme weather events. It is important for the community to take action to adapt to these changes and reduce their vulnerability to climate risks.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate risks in Banjup?

The main climate risks in Banjup are flooding, bushfires, and heatwaves. These risks are projected to increase with climate change.

How can I prepare for a bushfire in Banjup?

You can prepare for a bushfire by developing a bushfire survival plan, clearing vegetation around your home, and ensuring you have adequate insurance coverage.

What should I do during a heatwave in Banjup?

During a heatwave, you should stay indoors in a cool place, drink plenty of water, and avoid strenuous activity. Check on vulnerable neighbours and family members.

Is my property at risk of flooding in Banjup?

Some areas of Banjup are at risk of flooding during heavy rainfall events. Check flood risk maps and take appropriate precautions if your property is in a flood-prone area.

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

The City of Cockburn is implementing a range of measures to address climate change, including reducing greenhouse gas emissions, promoting sustainable development, and preparing for the impacts of climate change.

Where can I find more information about climate change in Banjup?

You can find more information about climate change in Banjup on the City of Cockburn website, the Department of Fire and Emergency Services website, and the Bureau of Meteorology website.

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