Flood Risk in Greenfields, WA: 2026 Assessment

Greenfields, Western Australia· UNKNOWN
Greenfields faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. The risk is expected to increase with climate change.Updated 8 Mar 2026

Flood Risk Score

6.5/10

Greenfields faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. The risk is expected to increase with climate change.

Key Facts

Flood Risk
Greenfields faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. The risk is expected to increase with climate change.
Trend
increasing
Suburb
Greenfields, WA
Overall Risk
Medium
Postcode
6210
Highest high-risk exposure
25.2% of land (bushfire)

Flood Risk Analysis

Greenfields, 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 that areas near the Serpentine River have experienced flooding in the past.

Greenfields faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine overflow. The risk is expected to increase with climate change.

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.

Greenfields sits within ClimateNest's suburb-level hazard model for flood risk. 6.1% of the suburb's land area is mapped in high-risk flood zones and 67.9% 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 Greenfields.

Greenfields (postcode 6210) 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 (25.2% of land in high-risk zones), surface flood (11.1% of land in high-risk zones), tropical cyclone (8.7% of land in high-risk zones). Exposure is not uniform across Greenfields — 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

Nearest WaterwaySerpentine River
Elevation Range5-15m
Flood Zone ClassificationAreas near the Serpentine River are prone to flooding.

Historical Events

2017
Moderate

Heavy rainfall caused localized flooding in Greenfields, affecting several homes and businesses.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce the risk of flooding.

Est. cost: Medium

Implement Heat Action Plans

Immediate

Develop and implement heat action plans to protect vulnerable populations during heatwaves.

Est. cost: Low

Strengthen Coastal Defenses

Long-term

Invest in coastal defenses to protect against sea level rise and storm surges.

Est. cost: High

Bushfire Risk Mitigation

Near-term

Implement bushfire risk mitigation strategies, including vegetation management and community education.

Est. cost: Medium

Council & Emergency Services

City of Mandurah
Emergency Services

Data last updated: 8 March 2026

Explore Greenfields Risk Reports

Frequently Asked Questions

Is Greenfields at risk of flooding?

Based on available data, Greenfields 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 Greenfields?

Insurance costs for flood cover in Greenfields 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 Greenfields?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Greenfields 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 share of Greenfields is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 25.2% of Greenfields in high-risk zones for bushfire, with a further 61.1% 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 Greenfields Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Greenfields, 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