Climate Risk in Bonnyrigg Heights, New South Wales

Bonnyrigg Heights, New South Wales· Fairfield· 2177
Medium Risk
Updated May 2026

Bonnyrigg Heights faces moderate climate risks, primarily from flooding and heatwaves. Bushfire risk is also present due to proximity to bushland. Coastal risks are minimal due to its inland location.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.0
Heat
6.0
Coastal
1.0

Climate Hazard Breakdown for Bonnyrigg Heights

increasing

Flood

65/100

Bonnyrigg Heights has a moderate risk of flooding. Several waterways and drainage systems exist in the area, and intense rainfall events can lead to localized flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
stable

Bushfire

40/100

Bonnyrigg Heights has a moderate risk of bushfire. While primarily residential, some areas border bushland, increasing the potential for bushfire impact.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

60/100

Bonnyrigg Heights is expected to experience an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Bonnyrigg Heights is not directly exposed to coastal risks due to its inland location.

Key drivers:

  • ·N/A
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Bonnyrigg Heights

Detailed Hazard Analysis

heat Risk

60/100

Bonnyrigg Heights is expected to experience an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

flood Risk

65/100

Bonnyrigg Heights has a moderate risk of flooding. Several waterways and drainage systems exist in the area, and intense rainfall events can lead to localized flooding.

Primary Drivers

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

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Bonnyrigg Heights is not directly exposed to coastal risks due to its inland location.

Primary Drivers

  • ·N/A

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

40/100

Bonnyrigg Heights has a moderate risk of bushfire. While primarily residential, some areas border bushland, increasing the potential for bushfire impact.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Wind

Projections (RCP8.5)

2030

4.2

2050

4.5

Data source

What This Means for Property Owners

Insurance Outlook

Home insurance premiums may increase due to flood and bushfire risks.

Price Impact

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

Buyer Checklist

  • 1.Check flood maps and bushfire prone land maps.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Obtain a building inspection report.
  • 4.Review insurance options and costs.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Orchardleigh Creek
Elevation Range
40-60m
Flood Zone
Identified flood risk areas along Orchardleigh Creek

Fairfield City Council maintains flood maps and provides information on flood preparedness for residents.

View council flood map

Bushfire Evidence

Distance to Bushland
Some properties border bushland reserves
Planning Overlay
RFS Bush Fire Prone Land Map
Bushfire Prone Area
Yes

Check the NSW Rural Fire Service website for current bushfire alerts and information.

Heat Evidence

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

Western Sydney experiences higher average temperatures compared to coastal areas.

Coastal Evidence

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

Historical Climate Events

2011
floodModerate

Major flooding occurred in the Fairfield area, impacting some properties in Bonnyrigg Heights.

Source
2013
heatwaveModerate

Prolonged heatwave conditions affected Western Sydney, with temperatures exceeding 40 degrees Celsius for several days.

Source
2019
bushfireModerate

Bushfires in surrounding areas caused smoky conditions and increased fire risk in Bonnyrigg Heights.

Source
2020
stormModerate

Severe thunderstorms caused flash flooding and property damage in parts of Western Sydney.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire404.2(+0.2)4.5(+0.5)
heat606.8(+0.8)7.2(+1.2)
coastal101.01.0

By 2030, Bonnyrigg Heights is projected to experience a moderate increase in overall climate risk, primarily driven by increased flooding and more frequent heatwaves.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Learn more

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to alert vulnerable populations and provide guidance on staying safe during extreme heat events.

Est. cost: Low

Learn more

Bushfire Preparedness

Near-term

Clear vegetation around properties, prepare a bushfire survival plan, and stay informed about bushfire alerts.

Est. cost: Low

Learn more

Community Education Programs

Long-term

Conduct community education programs to raise awareness about climate risks and adaptation measures.

Est. cost: Low

Learn more

Promote Green Infrastructure

Long-term

Increase green spaces and tree canopy cover to reduce the urban heat island effect and improve stormwater management.

Est. cost: Medium

Learn more

About Bonnyrigg Heights's Climate Risk Profile

Bonnyrigg Heights, located in Western Sydney, is susceptible to several climate-related risks. The suburb's proximity to waterways and drainage systems makes it vulnerable to flooding during periods of heavy rainfall. Climate change is projected to increase the intensity and frequency of these rainfall events, exacerbating the risk.

Bushfire risk is also a concern, particularly for properties bordering bushland areas. Hot, dry conditions and strong winds can increase the likelihood of bushfires spreading into residential areas. Residents should be prepared and aware of bushfire safety measures.

Heatwaves are becoming more frequent and intense in Western Sydney, posing a significant risk to vulnerable populations, such as the elderly and those with pre-existing health conditions. The urban heat island effect can further amplify temperatures in built-up areas.

While Bonnyrigg Heights is not directly exposed to coastal hazards, the broader impacts of climate change, such as disruptions to supply chains and economic activity, can still affect the suburb. Adapting to these risks is crucial to ensure the long-term resilience of the community.

Data sources: BOM · CSIRO · NSW RFS · Fairfield City Council · NSW SES

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Bonnyrigg Heights?

The main climate change risks in Bonnyrigg Heights are flooding, heatwaves, and bushfires. Flooding is a concern due to the suburb's proximity to waterways, while heatwaves are becoming more frequent and intense. Bushfire risk is present in areas bordering bushland.

How can I prepare my home for a flood?

To prepare your home for a flood, raise electrical appliances, store valuables in a safe place, and have an evacuation plan in place. Check the Fairfield City Council website for more information on flood preparedness.

What should I do during a heatwave?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activities. Check on vulnerable neighbors and family members.

How can I protect my property from bushfires?

To protect your property from bushfires, clear vegetation around your home, maintain your gutters, and have a bushfire survival plan in place. Stay informed about bushfire alerts from the NSW Rural Fire Service.

Where can I find information about local emergency services?

Information about local emergency services can be found on the NSW State Emergency Service (SES) website.

Is Bonnyrigg Heights likely to experience more extreme weather events in the future?

Yes, climate projections indicate that Bonnyrigg Heights is likely to experience more frequent and intense extreme weather events, including floods, heatwaves, and bushfires, in the future.

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