Flood Risk in Bonner, VIC: 2026 Assessment

Bonner, Victoria
Moderate flood risk — riverine flooding in catchments and localised flash floodingUpdated 27 June 2026

Flood Risk Score

2.8/10

Moderate flood risk — riverine flooding in catchments and localised flash flooding

Key Facts

Flood Risk
Moderate flood risk — riverine flooding in catchments and localised flash flooding
Trend
increasing
Suburb
Bonner, VIC
Overall Risk
Moderate
Postcode
3561
Region
Coastal VIC
Median property value
$725,000
Dominant hazard
damaging wind (5/10)
Highest high-risk exposure
19.8% of land (bushfire)

Flood Risk Analysis

Bonner, located in Victoria, has a moderate flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Victoria.

Flood risk in Bonner is shaped by local topography and catchment characteristics. Even within a single suburb, elevation differences can significantly change flood exposure. Properties near waterways or in low-lying areas warrant closer assessment.

Moderate flood risk — riverine flooding in catchments and localised flash flooding

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Bonner sits within ClimateNest's suburb-level hazard model for flood risk. 7% of the suburb's land area is mapped in high-risk flood zones and 71% 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 Bonner.

On ClimateNest's 0–10 suburb hazard index, Bonner scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Bonner can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Bonner located in Coastal VIC (postcode 3561), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $725,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Bonner.

Across the six hazard axes ClimateNest models, the dominant climate risk in Bonner is damaging wind (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Bonner, damaging wind is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Bonner are increasingly made with an address-level climate report in hand.

Explore Bonner Risk Reports

Frequently Asked Questions

Is Bonner at risk of flooding?

Based on available data, Bonner has a moderate flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Bonner?

Insurance costs for flood cover in Bonner depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Bonner?

Yes, flood risk can affect property values in Bonner. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Bonner?

Elevation is a critical factor in flood risk. Properties at higher elevations within Bonner typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What are the main climate risks in Bonner?

ClimateNest's suburb model rates Bonner's dominant climate risk as damaging wind at 5/10 on a 0–10 index, followed by bushfire (4/10) and extreme heat (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Bonner.

What share of Bonner is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 19.8% of Bonner in high-risk zones for bushfire, with a further 53.3% 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 Bonner Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Bonner, Victoria, covering flood, bushfire, sea level rise and more.

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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