Climate Risk in Hamilton Hill, Western Australia

Hamilton Hill, Western Australia· City of Cockburn· 6163
Medium Risk
Updated Mar 2026

Hamilton Hill is a suburb in Western Australia that faces moderate to high risks from various climate hazards. The primary concerns are coastal erosion, bushfires, and heatwaves, with flooding also posing a risk. Residents should be aware of these risks and take appropriate adaptation measures.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
5.0
Coastal
6.0

Climate Hazard Breakdown for Hamilton Hill

increasing

Flood

40/100

Hamilton Hill faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. The area's relatively flat topography can exacerbate flooding in low-lying areas.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
stable

Bushfire

60/100

Hamilton Hill has a high bushfire risk due to its proximity to bushland areas. Hot, dry summers and strong winds can create dangerous conditions, increasing the likelihood of bushfires impacting the suburb.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

50/100

Hamilton Hill experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent extreme heat events. This can pose health risks, especially for vulnerable populations.

Key drivers:

  • ·Rising global temperatures
  • ·Urban heat island effect
increasing

Coastal

60/100

Hamilton Hill faces a high risk from coastal hazards due to its proximity to the coastline. Sea level rise and storm surges can lead to coastal erosion and inundation, threatening properties and infrastructure.

Key drivers:

  • ·Sea level rise
  • ·Increased storm intensity
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 Hamilton Hill

Detailed Hazard Analysis

heat Risk

50/100

Hamilton Hill experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent extreme heat events. This can pose health risks, especially for vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.5

Data source

flood Risk

40/100

Hamilton Hill faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. The area's relatively flat topography can exacerbate flooding in low-lying areas.

Primary Drivers

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

Projections (RCP8.5)

2030

4.5

2050

5.5

Data source

coastal Risk

60/100

Hamilton Hill faces a high risk from coastal hazards due to its proximity to the coastline. Sea level rise and storm surges can lead to coastal erosion and inundation, threatening properties and infrastructure.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm intensity

Projections (RCP8.5)

2030

6.5

2050

7.5

Data source

bushfire Risk

60/100

Hamilton Hill has a high bushfire risk due to its proximity to bushland areas. Hot, dry summers and strong winds can create dangerous conditions, increasing the likelihood of bushfires impacting the suburb.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Strong winds

Projections (RCP8.5)

2030

6.0

2050

6.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to climate-related risks.

Price Impact

Properties in high-risk areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess the property's vulnerability to coastal erosion.
  • 3.Consider the potential impact of heatwaves on energy costs.
  • 4.Review insurance options and premiums.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Indian Ocean
Elevation Range
5-40 meters
Flood Zone
Areas near the coast and low-lying areas are susceptible to flooding.

The City of Cockburn has implemented stormwater management strategies to mitigate flood risks.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to Beeliar Regional Park
Planning Overlay
DFES Bushfire Prone Areas Map
Bushfire Prone Area
Yes

Residents should maintain firebreaks and clear vegetation around their properties.

Heat Evidence

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

The Bureau of Meteorology provides heatwave forecasts and warnings for the region.

Coastal Evidence

Distance to Coast
1 km
Sea Level Rise Exposure
Low-lying coastal areas are at risk from sea level rise.
Erosion Risk
Coastal erosion is an ongoing concern in the area.

Historical Climate Events

2010
stormModerate

A severe storm caused damage to properties and infrastructure in Hamilton Hill.

Source
2011
floodMinor

Heavy rainfall led to localized flooding in low-lying areas of Hamilton Hill.

Source
2015
bushfireModerate

A bushfire near Hamilton Hill threatened properties and required emergency response efforts.

Source
2019
heatwaveModerate

An extended heatwave resulted in heat stress and health concerns for residents of Hamilton Hill.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood404.5(+0.5)5.0(+1.0)
bushfire606.06.0
heat505.5(+0.5)6.0(+1.0)
coastal606.5(+0.5)7.5(+1.5)

By 2030, Hamilton Hill is projected to experience a moderate increase in overall climate risk, with rising sea levels and more frequent heatwaves posing the greatest challenges.

CSIRO Climate Projections

Adaptation Recommendations

Coastal Protection Measures

Near-term

Implement coastal protection measures such as seawalls and beach nourishment to reduce the impact of sea level rise and coastal erosion.

Est. cost: High

Learn more

Bushfire Preparedness

Immediate

Develop and implement a comprehensive bushfire management plan, including community education programs and fuel reduction activities.

Est. cost: Medium

Learn more

Heatwave Management

Near-term

Establish a heatwave early warning system and implement measures to protect vulnerable populations during extreme heat events.

Est. cost: Low

Learn more

Flood Mitigation

Long-term

Upgrade stormwater drainage systems and implement flood-proofing measures for properties in flood-prone areas.

Est. cost: Medium

Learn more

About Hamilton Hill's Climate Risk Profile

Hamilton Hill, located in Western Australia, is exposed to a range of climate-related risks that are projected to intensify in the coming decades. The suburb's coastal location makes it particularly vulnerable to sea level rise and storm surges, which can lead to coastal erosion and inundation of low-lying areas.

Bushfire risk is also a significant concern for Hamilton Hill, given its proximity to bushland areas. Hot, dry summers and strong winds create ideal conditions for bushfires, which can pose a direct threat to properties and human safety. Residents need to be vigilant during the bushfire season and take steps to prepare their homes and families.

Heatwaves are becoming more frequent and intense in Hamilton Hill, driven by rising global temperatures and the urban heat island effect. This can lead to heat stress and other health problems, especially for vulnerable populations such as the elderly and those with chronic illnesses.

Flooding is another risk factor for Hamilton Hill, particularly during periods of heavy rainfall. The suburb's topography and drainage systems can exacerbate flooding in certain areas, potentially causing damage to properties and infrastructure. It is important for residents to understand their flood risk and take appropriate precautions.

Data sources: BOM · CSIRO · DFES · DBCA · City of Cockburn

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Hamilton Hill?

Hamilton Hill faces risks from coastal erosion, bushfires, heatwaves, and flooding.

How will climate change affect property values in Hamilton Hill?

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

What can I do to prepare my home for a bushfire?

Clear vegetation around your property, maintain firebreaks, and have a bushfire survival plan.

Where can I find information about flood risks in Hamilton Hill?

The City of Cockburn provides flood maps and information on its website.

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.

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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