📮 Sunbury postcode: 3429

Bushfire Risk in Sunbury, VIC: 2026 Assessment

Sunbury, Victoria· Hume· 3429
Sunbury has a moderate bushfire risk due to surrounding grasslands and bushland areas. Hot, dry conditions during summer increase the likelihood of bushfires.Updated 22 Mar 2026

Bushfire Risk Score

4.0/10

Sunbury 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

Distance to Bushland500m
BAL Overlay / ZoneBushfire Management Overlay
Bushfire Prone AreaYes

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood barriers along Jackson's Creek.

Est. cost: Medium

Develop Heatwave Management Plan

Immediate

Establish cooling centers and provide support for vulnerable residents during heatwaves.

Est. cost: Low

Bushfire Risk Mitigation

Near-term

Conduct controlled burns and maintain firebreaks in bushfire-prone areas.

Est. cost: Medium

Community Education Programs

Long-term

Educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Hume City Council
Emergency Services

Data last updated: 22 March 2026

Explore Sunbury Risk Reports

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.

Free instant previewCSIRO-powered data

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