Bushfire Risk in Sunbury, VIC: 2026 Assessment
Bushfire Risk Score
4.0/10Sunbury has a moderate bushfire risk due to surrounding grasslands and bushland areas. Hot, dry conditions during summer increase the likelihood of bushfires.
Key Facts
- Bushfire Risk
- Sunbury has a moderate bushfire risk due to surrounding grasslands and bushland areas. Hot, dry conditions during summer increase the likelihood of bushfires.
- Trend
- stable
- Suburb
- Sunbury, VIC
- Overall Risk
- Medium
- Postcode
- 3429
- Highest high-risk exposure
- 19% of land (bushfire)
Bushfire Risk Analysis
Sunbury, Victoria, has a sunbury has a moderate bushfire risk due to surrounding grasslands and bushland areas. hot, dry conditions during summer increase the likelihood of bushfires. bushfire risk profile. Key factors include distance to classified bushland, vegetation type, slope, and historical bushfire activity in the region. The Victoria fire authority maps bushfire-prone areas and assigns BAL (Bushfire Attack Level) ratings.
Some parts of Sunbury are designated as bushfire-prone areas.
CSIRO research indicates climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. For Sunbury, this may mean shifts in bushfire risk levels over the coming decades, making property-level BAL assessment increasingly important.
Use ClimateNest for a complete address-level bushfire risk report for Sunbury including BAL zone assessment, evacuation route mapping, and property-specific risk mitigation recommendations.
Sunbury sits within ClimateNest's suburb-level hazard model for bushfire risk. 19% of the suburb's land area is mapped in high-risk bushfire zones and 62.7% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Sunbury.
Sunbury (postcode 3429) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (19% of land in high-risk zones), surface flood (6.2% of land in high-risk zones), riverine flood (4.6% of land in high-risk zones). Exposure is not uniform across Sunbury — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Local Hazard Evidence
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termUpgrade drainage infrastructure and implement flood barriers along Jackson's Creek.
Est. cost: Medium
Develop Heatwave Management Plan
ImmediateEstablish cooling centers and provide support for vulnerable residents during heatwaves.
Est. cost: Low
Bushfire Risk Mitigation
Near-termConduct controlled burns and maintain firebreaks in bushfire-prone areas.
Est. cost: Medium
Community Education Programs
Long-termEducate residents about climate risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Sunbury Risk Reports
View other climate risk assessments for Sunbury:
Frequently Asked Questions
Is Sunbury in a bushfire prone area?
Parts of Sunbury may be designated as bushfire prone land. Based on available data, Sunbury has a notable bushfire risk. Check your specific property for BAL ratings through ClimateNest or your local council.
What BAL rating applies to properties in Sunbury?
BAL ratings in Sunbury depend on the property's distance from classified vegetation, vegetation type, and slope. A site-specific assessment under AS 3959 is required to determine the exact BAL rating for any property within the suburb.
Does bushfire risk affect insurance in Sunbury?
Yes, properties in bushfire-prone parts of Sunbury may face higher building insurance premiums. Insurers assess bushfire risk based on BAL rating, fire history, and proximity to bushland. Some insurers may restrict cover in very high-risk locations.
What bushfire mitigation measures help protect homes in Sunbury?
Effective bushfire mitigation includes maintaining cleared asset protection zones, using ember-proof mesh on vents, installing metal gutter guards, using non-combustible building materials, and maintaining defendable space. Consult the Victoria fire authority for property-specific guidance.
What share of Sunbury is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 19% of Sunbury in high-risk zones for bushfire, with a further 62.7% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Sunbury Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Sunbury, Victoria, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections