Flood Risk in Stirling, WA: 2026 Assessment

Stirling, Western Australia· UNKNOWN
Stirling faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is expected to increase due to climate change.Updated 22 Mar 2026

Flood Risk Score

4.5/10

Stirling faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is expected to increase due to climate change.

Key Facts

Flood Risk
Stirling faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is expected to increase due to climate change.
Trend
increasing
Suburb
Stirling, WA
Overall Risk
Medium
Postcode
6021
Highest high-risk exposure
10% of land (bushfire)

Flood Risk Analysis

Stirling, 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 events have been recorded in low-lying areas of Stirling, particularly after periods of heavy rainfall.

Stirling faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is expected to increase due to 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.

Stirling sits within ClimateNest's suburb-level hazard model for flood risk. 9% of the suburb's land area is mapped in high-risk flood zones and 71.9% 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 Stirling.

Stirling (postcode 6021) 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 (10% of land in high-risk zones), riverine flood (9% of land in high-risk zones), surface flood (8.7% of land in high-risk zones). Exposure is not uniform across Stirling — 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 WaterwayIndian Ocean
Elevation Range0-50m
Flood Zone ClassificationCoastal and Riverine

Historical Events

2010
Moderate

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

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Reduce fuel loads near properties and implement community education programs on bushfire preparedness.

Est. cost: Low

Develop a heatwave response plan

Near-term

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

Est. cost: Low

Protect coastal areas

Long-term

Implement coastal protection measures to mitigate the impacts of sea level rise and erosion.

Est. cost: High

Promote water conservation

Near-term

Encourage water conservation practices to reduce strain on water resources during prolonged dry periods.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 22 March 2026

Explore Stirling Risk Reports

Frequently Asked Questions

Is Stirling at risk of flooding?

Based on available data, Stirling 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 Stirling?

Insurance costs for flood cover in Stirling 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 Stirling?

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

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

ClimateNest's hazard overlay maps 10% of Stirling in high-risk zones for bushfire, with a further 61.8% 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 Stirling Safe from Climate Risk?

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