Flood Risk in Broomehill, WA: 2026 Assessment

Broomehill, Western Australia· UNKNOWN
Broomehill faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. Local drainage infrastructure may be insufficient to handle extreme precipitation.Updated 12 Mar 2026

Flood Risk Score

4.0/10

Broomehill faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. Local drainage infrastructure may be insufficient to handle extreme precipitation.

Key Facts

Flood Risk
Broomehill faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. Local drainage infrastructure may be insufficient to handle extreme precipitation.
Trend
increasing
Suburb
Broomehill, WA
Overall Risk
Medium
Postcode
6318
Region
Regional WA
Median property value
$425,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
17.5% of land (bushfire)

Flood Risk Analysis

Broomehill, 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.

Local knowledge of historical flood events is important for understanding specific risks.

Broomehill faces a moderate risk of flooding, primarily from heavy rainfall events and potential river overflows. Local drainage infrastructure may be insufficient to handle extreme precipitation.

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.

Broomehill sits within ClimateNest's suburb-level hazard model for flood risk. 7.7% of the suburb's land area is mapped in high-risk flood zones and 71.5% 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 Broomehill.

On ClimateNest's 0–10 suburb hazard index, Broomehill scores 2 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Broomehill can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Broomehill located in Regional WA (postcode 6318), is a Western Australia suburb tracked by ClimateNest. The suburb's median property value is $425,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Broomehill.

Across the six hazard axes ClimateNest models, the dominant climate risk in Broomehill is extreme heat (score 6/10), 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 Broomehill, 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 Broomehill are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayLocal creeks and drainage systems
Elevation RangeVariable, generally flat to gently undulating
Flood Zone ClassificationAreas near creeks may be susceptible to flooding

Historical Events

2022
Minor

Minor flooding occurred after a period of heavy rainfall, affecting some roads and properties.

2010
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Broomehill.

Adaptation & Mitigation Actions

Develop a Community Bushfire Plan

Immediate

Create a comprehensive bushfire plan that includes evacuation routes, emergency contacts, and property protection measures. Conduct regular drills and awareness campaigns.

Est. cost: Low

Upgrade Drainage Infrastructure

Near-term

Improve local drainage systems to handle increased rainfall intensity and reduce the risk of flooding. Implement stormwater management strategies.

Est. cost: Medium

Implement Heatwave Preparedness Programs

Near-term

Establish cooling centers and provide information on heat safety to vulnerable populations. Promote energy-efficient building designs and green infrastructure.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-wise gardening and efficient water use in homes and businesses to mitigate the impacts of drought and water scarcity.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 12 March 2026

Explore Broomehill Risk Reports

Frequently Asked Questions

Is Broomehill at risk of flooding?

Based on available data, Broomehill 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 Broomehill?

Insurance costs for flood cover in Broomehill 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 Broomehill?

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

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

ClimateNest's suburb model rates Broomehill's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Broomehill.

What share of Broomehill is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.5% of Broomehill in high-risk zones for bushfire, with a further 67.4% 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 Broomehill Safe from Climate Risk?

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