Flood Risk in Nedlands, WA: 2026 Assessment

Nedlands, Western Australia· UNKNOWN
Nedlands faces a moderate risk of flooding, primarily from riverine sources and intense rainfall events. The Swan River poses a potential flood risk, and localized flooding can occur due to inadequate drainage during heavy downpours.Updated 22 Mar 2026

Flood Risk Score

4.0/10

Nedlands faces a moderate risk of flooding, primarily from riverine sources and intense rainfall events. The Swan River poses a potential flood risk, and localized flooding can occur due to inadequate drainage during heavy downpours.

Key Facts

Flood Risk
Nedlands faces a moderate risk of flooding, primarily from riverine sources and intense rainfall events. The Swan River poses a potential flood risk, and localized flooding can occur due to inadequate drainage during heavy downpours.
Trend
increasing
Suburb
Nedlands, WA
Overall Risk
Medium
Postcode
6009
Highest high-risk exposure
11.2% of land (bushfire)

Flood Risk Analysis

Nedlands, 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.

Localized flooding can occur due to heavy rainfall and inadequate drainage.

Nedlands faces a moderate risk of flooding, primarily from riverine sources and intense rainfall events. The Swan River poses a potential flood risk, and localized flooding can occur due to inadequate drainage during heavy downpours.

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.

Nedlands sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 72.8% 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 Nedlands.

Nedlands (postcode 6009) 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 (11.2% of land in high-risk zones), tropical cyclone (9% of land in high-risk zones), surface flood (8.7% of land in high-risk zones). Exposure is not uniform across Nedlands — 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 WaterwaySwan River
Elevation Range5-30 meters
Flood Zone ClassificationAreas adjacent to the Swan River are prone to flooding.

Historical Events

2021
Minor

Heavy rainfall led to flash flooding in some parts of Nedlands, disrupting traffic and causing minor property damage.

2010
Moderate

Heavy rainfall caused localized flooding in Nedlands, particularly in low-lying areas near the Swan River.

Adaptation & Mitigation Actions

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of localized flooding during heavy rainfall events.

Est. cost: Medium

Implement urban greening initiatives

Near-term

Plant trees and create green spaces to mitigate the urban heat island effect and reduce temperatures.

Est. cost: Medium

Strengthen coastal protection measures

Long-term

Invest in coastal protection measures, such as seawalls and beach nourishment, to reduce the risk of coastal erosion and inundation.

Est. cost: High

Develop a community heatwave preparedness plan

Immediate

Create a plan to help residents prepare for and cope with heatwaves, including providing access to cooling centers and promoting awareness of heat stress symptoms.

Est. cost: Low

Council & Emergency Services

City of Nedlands
Emergency Services

Data last updated: 22 March 2026

Explore Nedlands Risk Reports

Frequently Asked Questions

Is Nedlands at risk of flooding?

Based on available data, Nedlands 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 Nedlands?

Insurance costs for flood cover in Nedlands 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 Nedlands?

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

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

ClimateNest's hazard overlay maps 11.2% of Nedlands in high-risk zones for bushfire, with a further 65.1% 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 Nedlands Safe from Climate Risk?

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