Flood Risk in Bullsbrook, WA: 2026 Assessment

Bullsbrook, Western Australia· UNKNOWN
Bullsbrook faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Intense rainfall events can lead to localized flooding.Updated 19 Mar 2026

Flood Risk Score

6.0/10

Bullsbrook faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Intense rainfall events can lead to localized flooding.

Key Facts

Flood Risk
Bullsbrook faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Intense rainfall events can lead to localized flooding.
Trend
increasing
Suburb
Bullsbrook, WA
Overall Risk
Medium
Postcode
6084
Region
Coastal WA
Median property value
$575,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
13.8% of land (surface flood)

Flood Risk Analysis

Bullsbrook, located in Western Australia, has a notable 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 Western Australia.

Historical flood data indicates localized flooding during periods of heavy rainfall.

Bullsbrook faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Intense rainfall events can lead to localized 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.

Bullsbrook sits within ClimateNest's suburb-level hazard model for flood risk. 6.4% of the suburb's land area is mapped in high-risk flood zones and 73.3% 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 Bullsbrook.

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

Bullsbrook located in Coastal WA (postcode 6084), is a Western Australia suburb tracked by ClimateNest. The suburb's median property value is $575,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Bullsbrook.

Across the six hazard axes ClimateNest models, the dominant climate risk in Bullsbrook is extreme heat (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 Bullsbrook, extreme heat 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 Bullsbrook are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayEllen Brook
Elevation Range20-50m
Flood Zone ClassificationLow-lying areas near Ellen Brook

Historical Events

2022
Minor

Minor flooding occurred after a period of intense rainfall.

2010
Moderate

Heavy rainfall caused localized flooding in Bullsbrook, affecting some residential areas.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement bushfire mitigation measures, such as clearing vegetation around properties and developing evacuation plans.

Est. cost: Low

Enhance Flood Resilience

Near-term

Upgrade drainage infrastructure and implement flood-proofing measures for properties in flood-prone areas.

Est. cost: Medium

Develop Heatwave Response Plan

Near-term

Establish a heatwave response plan to protect vulnerable populations during periods of extreme heat.

Est. cost: Low

Promote Water Conservation

Long-term

Implement water conservation measures to reduce water demand during periods of drought and heat.

Est. cost: Low

Council & Emergency Services

City of Swan
Emergency Services

Data last updated: 19 March 2026

Explore Bullsbrook Risk Reports

Frequently Asked Questions

Is Bullsbrook at risk of flooding?

Based on available data, Bullsbrook has a notable 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 Bullsbrook?

Insurance costs for flood cover in Bullsbrook 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 Bullsbrook?

Yes, flood risk can affect property values in Bullsbrook. 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 Bullsbrook?

Elevation is a critical factor in flood risk. Properties at higher elevations within Bullsbrook 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 Bullsbrook?

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

What share of Bullsbrook is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 13.8% of Bullsbrook in high-risk zones for surface flood, with a further 56.7% 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 Bullsbrook Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Bullsbrook, Western Australia, 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