๐Ÿ“ฎ Innaloo postcode: 6018

Flood Risk in Innaloo, WA: 2026 Assessment

Innaloo, Western Australiaยท City of Stirlingยท 6018
Innaloo faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. Low-lying areas are more vulnerable.Updated 22 Mar 2026

Flood Risk Score

4.5/10

Innaloo faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. Low-lying areas are more vulnerable.

Key Facts

Flood Risk
Innaloo faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. Low-lying areas are more vulnerable.
Trend
increasing
Suburb
Innaloo, WA
Overall Risk
Medium
Postcode
6018
Highest high-risk exposure
11% of land (bushfire)

Flood Risk Analysis

Innaloo, 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 occurred in low-lying areas after heavy rainfall.

Innaloo faces a moderate risk of flooding, primarily from intense rainfall events and potential stormwater runoff. Low-lying areas are more vulnerable.

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.

Innaloo sits within ClimateNest's suburb-level hazard model for flood risk. 8.1% of the suburb's land area is mapped in high-risk flood zones and 81.4% 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 Innaloo.

Innaloo (postcode 6018) 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 (11% of land in high-risk zones), riverine flood (8.1% of land in high-risk zones), tropical cyclone (6.1% of land in high-risk zones). Exposure is not uniform across Innaloo โ€” 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 WaterwayHerdsman Lake
Elevation Range5-20 meters
Flood Zone ClassificationAreas near Herdsman Lake are prone to flooding.

Historical Events

2010
Moderate

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

Adaptation & Mitigation Actions

Develop a heatwave management plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Low

Improve stormwater drainage infrastructure

Near-term

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

Est. cost: Medium

Implement coastal protection measures

Near-term

Construct seawalls and other coastal defenses to protect infrastructure and property from erosion and sea level rise.

Est. cost: High

Promote water-sensitive urban design

Long-term

Incorporate green infrastructure and permeable surfaces to reduce stormwater runoff and mitigate the urban heat island effect.

Est. cost: Medium

Community awareness programs

Immediate

Educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

City of Stirling
Emergency Services

Data last updated: 22 March 2026

Explore Innaloo Risk Reports

Frequently Asked Questions

Is Innaloo at risk of flooding?

Based on available data, Innaloo has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Innaloo?

Insurance costs for flood cover in Innaloo 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 Innaloo?

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

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

ClimateNest's hazard overlay maps 11% of Innaloo in high-risk zones for bushfire, with a further 80.8% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Innaloo Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Innaloo, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections