Climate Risk in Peppermint Grove, Western Australia

Peppermint Grove, Western Australia· Town of Peppermint Grove· 6011
Medium Risk
Updated Mar 2026

Peppermint Grove faces moderate climate risks, primarily from heatwaves and coastal hazards. Sea level rise and increased storm intensity pose a threat to coastal areas. Residents should prepare for more frequent heatwaves and potential flooding.

Overall Risk Score

5.2/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.5
Bushfire
3.8
Heat
6.5
Coastal
6.0

Detailed Hazard Analysis

heat Risk

6.5/10

Peppermint Grove is expected to experience more frequent and intense heatwaves. This will increase the risk of heat stress, particularly for vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

flood Risk

4.5/10

Peppermint Grove faces a moderate risk of flooding, primarily from riverine sources and intense rainfall events. The Swan River poses a potential flood risk.

Primary Drivers

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

Projections (RCP8.5)

2030

4.8

2050

5.2

Data source

coastal Risk

6.0/10

Peppermint Grove faces a notable risk from coastal hazards, including sea level rise and coastal erosion. The suburb's proximity to the Swan River and the coast makes it vulnerable.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm surge

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

bushfire Risk

3.8/10

Bushfire risk in Peppermint Grove is relatively low due to its urbanized nature and proximity to the coast. However, nearby bushland areas could pose a threat under extreme conditions.

Primary Drivers

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

Projections (RCP8.5)

2030

4.0

2050

4.2

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 low-lying coastal areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's vulnerability to coastal erosion.
  • 3.Consider the potential impact of heatwaves on energy costs.
  • 4.Inquire about council plans for climate adaptation.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Swan River
Elevation Range
2-20 meters
Flood Zone
Areas near the Swan River are susceptible to flooding.

Historical flood events have occurred in low-lying areas near the river.

View council flood map

Bushfire Evidence

Distance to Bushland
5-10 km to nearby bushland areas
Planning Overlay
DFES Bushfire Prone Areas Map
Bushfire Prone Area
No

While not directly within a designated bushfire prone area, vigilance is still required.

Heat Evidence

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

Heatwaves are becoming more frequent and intense in the Perth metropolitan area.

Coastal Evidence

Distance to Coast
1 km
Sea Level Rise Exposure
Low-lying areas are exposed to sea level rise.
Erosion Risk
Some coastal areas are at risk of erosion.

Historical Climate Events

2010
floodModerate

Heavy rainfall caused localized flooding in low-lying areas near the Swan River.

Source
2011
stormModerate

A severe storm caused damage to trees and property in Peppermint Grove.

Source
2013
heatwaveMajor

A prolonged heatwave resulted in record-breaking temperatures and increased demand for emergency services.

Source
2017
floodMinor

Minor flooding occurred after a period of heavy rainfall.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood4.54.8(+0.3)5.1(+0.6)
bushfire3.84.0(+0.2)4.2(+0.4)
heat6.57.3(+0.8)8.0(+1.5)
coastal6.06.7(+0.7)7.3(+1.3)

By 2030, Peppermint Grove is projected to experience a moderate increase in overall climate risk, with notable increases in heatwave intensity and coastal hazards. Flooding risk will also increase due to more intense rainfall events.

CSIRO Climate Projections

Adaptation Recommendations

Improve Coastal Defenses

Near-term

Invest in infrastructure to protect coastal areas from erosion and sea level rise, such as seawalls and beach nourishment.

Est. cost: High

Learn more

Develop a Heatwave Management Plan

Immediate

Implement a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Medium

Learn more

Upgrade Drainage Infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding from heavy rainfall events.

Est. cost: High

Learn more

Promote Water Conservation

Long-term

Encourage residents to conserve water through education and incentives, reducing demand on water resources during droughts.

Est. cost: Low

Learn more

Bushfire Preparedness

Near-term

Ensure residents are well-prepared for bushfire season by providing information and resources on how to protect their properties and families.

Est. cost: Low

Learn more

About Peppermint Grove's Climate Risk Profile

Peppermint Grove, a suburb in Western Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include rising temperatures, increased frequency of heatwaves, and coastal hazards such as sea level rise and erosion.

The suburb's proximity to the Swan River and the coast makes it particularly susceptible to flooding and coastal erosion. Rising sea levels are expected to exacerbate these risks, potentially impacting property values and infrastructure.

Heatwaves are also becoming more frequent and intense, posing a significant threat to public health, especially for elderly and vulnerable populations. The urban environment can amplify the effects of heatwaves, creating an urban heat island effect.

While bushfire risk is relatively lower compared to other areas in Western Australia, nearby bushland areas could still pose a threat under extreme weather conditions. It is important for residents to maintain their properties and be aware of bushfire safety measures.

Adapting to these changes will require a combination of individual actions, community initiatives, and government policies. This includes investing in infrastructure improvements, promoting water conservation, and implementing strategies to reduce greenhouse gas emissions.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Peppermint Grove?

The main climate change risks for Peppermint Grove include rising temperatures, increased frequency of heatwaves, sea level rise, and coastal erosion. These risks can impact property values, public health, and infrastructure.

How will sea level rise affect Peppermint Grove?

Sea level rise is expected to increase the risk of coastal flooding and erosion in Peppermint Grove, particularly in low-lying areas near the Swan River and the coast. This could lead to property damage and displacement.

What is the council doing to address climate change?

The Town of Peppermint Grove is developing and implementing strategies to address climate change, including investing in coastal defenses, upgrading drainage infrastructure, and promoting water conservation. Check the council website for more details.

How can I prepare for heatwaves in Peppermint Grove?

To prepare for heatwaves, stay hydrated, seek air-conditioned environments, avoid strenuous activities during the hottest part of the day, and check on vulnerable neighbors and family members.

Where can I find information about flood risks in Peppermint Grove?

Information about flood risks in Peppermint Grove can be found on the Town of Peppermint Grove website, including flood maps and historical flood data.

Is my property in Peppermint Grove at risk from bushfires?

While Peppermint Grove is not directly within a designated bushfire prone area, it's important to stay informed and prepared. Check the DFES website and maintain your property to reduce potential risks.

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