Westbury Climate Risk Assessment

Westbury, Victoria· City of Ballarat· 3352
Medium Risk
Updated June 2026

Westbury, located in Victoria, faces a medium overall climate risk, primarily driven by bushfire and increasing heatwave intensity. While flood risk is moderate, coastal impacts are negligible. Future projections indicate an escalation of these risks, necessitating proactive adaptation measures.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
5.0
Coastal
N/A

Climate Hazard Breakdown for Westbury

increasing

Flood

40/100

Moderate flood risk due to proximity to waterways and historical rainfall patterns.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urbanisation leading to increased runoff
increasing

Bushfire

60/100

High bushfire risk due to surrounding vegetation and dry conditions.

Key drivers:

  • ·Increased frequency of extreme fire weather days
  • ·Drier fuel loads
increasing

Heat

50/100

Moderate heat risk, with increasing frequency and intensity of heatwaves.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent extreme heat events
stable

Coastal

0/100

Negligible coastal risk due to inland location.

stable

Wind

28/100

Moderate wind risk — cold fronts and gusty winds

stable

Storm

32/100

Moderate storm risk — severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — heating and cooling needs

In-Depth Climate Risk Guides for Westbury

Detailed Hazard Analysis

heat Risk

50/100

Moderate heat risk, with increasing frequency and intensity of heatwaves.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent extreme heat events

Projections (RCP 4.5)

2030

5.5

2050

6.0

Data source

flood Risk

40/100

Moderate flood risk due to proximity to waterways and historical rainfall patterns.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urbanisation leading to increased runoff

Projections (RCP 4.5)

2030

4.5

2050

5.0

Data source

coastal Risk

0/100

Negligible coastal risk due to inland location.

Projections (N/A)

2030

0.0

2050

0.0

Data source

bushfire Risk

60/100

High bushfire risk due to surrounding vegetation and dry conditions.

Primary Drivers

  • ·Increased frequency of extreme fire weather days
  • ·Drier fuel loads

Projections (RCP 8.5)

2030

6.5

2050

7.0

Data source

What This Means for Property Owners

Insurance Outlook

Increasing premiums and stricter conditions may apply, especially for properties in bushfire-prone areas.

Price Impact

Potential for negative impact on property values in high-risk zones, particularly for bushfire and flood-prone areas.

Buyer Checklist

  • 1.Check bushfire attack level (BAL) rating.
  • 2.Review council flood maps and local drainage.
  • 3.Assess proximity to vegetation and potential fire paths.
  • 4.Consider heat resilience of the property (insulation, shading).
  • 5.Verify insurance availability and cost.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Yarrowee Creek
Elevation Range
500-550m
Flood Zone
Low to moderate risk areas identified along Yarrowee Creek.

While not a major flood plain, localized flooding can occur during intense rainfall events, particularly in lower-lying areas near the creek.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to rural/bushland interface on northern and eastern edges.
Planning Overlay
Designated Bushfire Prone Area.
Bushfire Prone Area
Yes

The interface between residential areas and surrounding grasslands/woodlands presents a significant bushfire risk, especially during hot, dry, and windy conditions.

Heat Evidence

Avg January Max Temp
26.5°C
Heat Stress Days/Year
5.2 days

Average January maximum temperatures are rising, and the number of days exceeding 35°C is increasing.

Coastal Evidence

Distance to Coast
120 km
Sea Level Rise Exposure
None
Erosion Risk
None

Historical Climate Events

1969
bushfireMajor

Significant bushfires impacted the Ballarat region, including areas near Westbury, leading to evacuations and property damage.

Source
2011
floodModerate

Heavy rainfall caused localized flooding in Ballarat and surrounding areas, impacting low-lying areas near waterways, including parts of Westbury.

Source
2014
heatwaveMajor

A prolonged heatwave affected Victoria, with temperatures soaring across the state, including the Ballarat region, leading to health alerts.

Source
2016
bushfireModerate

Smaller grass fires occurred in the rural fringes surrounding Westbury during a dry summer period, requiring fire service response.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP 4.5

HazardToday20302050
flood404.3(+0.3)4.6(+0.6)
bushfire606.5(+0.5)7.0(+1.0)
heat505.4(+0.4)5.8(+0.8)
coastal00.00.0

By 2030, Westbury is projected to experience a moderate increase in overall climate risk, driven primarily by escalating bushfire and heatwave conditions. Flood risk will see a slight increase, while coastal risks remain negligible.

CSIRO Climate Projections

Adaptation Recommendations

Strengthen Bushfire Preparedness

Immediate

Develop and maintain defendable space around properties, upgrade building materials to meet higher bushfire attack levels (BAL), and ensure clear evacuation plans.

Est. cost: $5,000 - $50,000+

Learn more

Enhance Flood Mitigation Measures

Near-term

Improve property-level drainage, consider flood-resistant landscaping, and support council initiatives for stormwater management upgrades in known flood-prone areas.

Est. cost: $1,000 - $10,000

Learn more

Implement Heat Resilience Strategies

Near-term

Increase tree canopy cover in public and private spaces, promote the use of cool roofing materials, and ensure adequate home insulation and ventilation.

Est. cost: $2,000 - $20,000

Learn more

Community Education and Awareness

Near-term

Conduct regular workshops and information sessions on climate risks, preparedness, and adaptation strategies for residents.

Est. cost: $500 - $5,000 per event

Learn more

Water Conservation Measures

Long-term

Promote water-wise gardening and household practices to mitigate impacts of potential future droughts and reduce strain on water resources.

Est. cost: Variable

Learn more

About Westbury's Climate Risk Profile

Westbury, a suburb within the City of Ballarat, Victoria, presents a complex climate risk profile. The suburb is situated in a region prone to bushfires, with surrounding vegetation and historical weather patterns contributing to a significant risk score. This risk is projected to intensify in the coming decades due to climate change, leading to more frequent and severe fire weather conditions.

Flood risk in Westbury, while currently assessed as moderate, is influenced by local topography and proximity to waterways. Increased rainfall intensity, a predicted consequence of climate change, could exacerbate runoff and increase the likelihood of localized flooding events. While not directly exposed to coastal hazards, the broader regional climate shifts can indirectly impact Westbury through changes in weather patterns.

The suburb also experiences a moderate risk from heatwaves. Rising average temperatures and a greater frequency of extreme heat events pose a threat to public health and infrastructure. This trend is expected to continue, making heat adaptation a crucial consideration for residents and local authorities.

Looking ahead, climate projections for Westbury indicate an overall increase in climate-related risks. Both bushfire and heatwave risks are anticipated to grow, demanding strategic planning and community resilience efforts. While flood risk is also projected to increase, the absence of direct coastal exposure means that these are the primary hazards requiring focused attention.

Data sources: Bureau of Meteorology (BOM) · CSIRO · Country Fire Authority (CFA) · State Emergency Service (SES) · City of Ballarat Council

Local Government Resources

Frequently Asked Questions

What is the primary bushfire risk for Westbury residents?

The primary bushfire risk stems from the proximity of residential areas to grasslands and bushland on the northern and eastern edges of the suburb. This, combined with increasing frequency of extreme fire weather, makes preparedness crucial.

How likely is flooding in Westbury?

Flood risk is considered moderate, mainly associated with intense rainfall events impacting areas near Yarrowee Creek. While not a widespread flood plain, localized inundation can occur.

What are the projected changes in heatwaves for Westbury?

Climate projections indicate an increase in both the frequency and intensity of heatwaves in Westbury, with more days exceeding 35°C and longer-lasting heat events.

Does Westbury face any sea-level rise risks?

No, Westbury is located significantly inland and is not exposed to any risks associated with sea-level rise or coastal erosion.

What can I do to make my property more resilient to climate risks in Westbury?

Focus on creating defendable space for bushfire risk, improving property drainage for flood risk, and enhancing home insulation and shading for heatwaves. Checking your insurance policy is also vital.

Where can I find official flood information for the City of Ballarat?

The City of Ballarat website provides flood maps and information on stormwater management, which are relevant for Westbury residents. You can typically find this under their planning and building sections.

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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