Flood Risk in Fremantle, NSW: 2026 Assessment

Fremantle, New South Wales· UNKNOWN

Fremantle faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.Updated 2 Apr 2026

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Flood Risk Score

Not assessed

Fremantle faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.

Key Facts

Flood Risk: Fremantle faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.
Trend: increasing
Suburb: Fremantle, NSW
Overall Risk: Medium

Flood Risk Analysis

Fremantle, located in New South Wales, has a location-specific 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 New South Wales.

Historical flood data indicates localized flooding during heavy rainfall events.

Fremantle faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.

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.

Local Hazard Evidence

Nearest WaterwayLocal creeks and drainage systems

Elevation Range0-20 meters

Flood Zone ClassificationLow-lying areas near waterways

Historical Events

2011

Moderate

Heavy rainfall caused localized flooding in low-lying areas.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to protect vulnerable populations.

Est. cost: Low

Protect Coastal Areas

Long-term

Implement coastal protection measures to mitigate erosion and inundation from sea level rise.

Est. cost: High

Promote Water Conservation

Near-term

Encourage water conservation practices to reduce water stress during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

UNKNOWN

Emergency Services

Data last updated: 2 April 2026

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Frequently Asked Questions

Is Fremantle at risk of flooding?

Based on available data, Fremantle has a location-specific 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 Fremantle?

Insurance costs for flood cover in Fremantle 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 Fremantle?

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

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