Flood Risk in Fremantle, ACT: 2026 Assessment

Fremantle, Australian Capital Territory· UNKNOWN
Fremantle faces a moderate risk of flooding, primarily from intense rainfall events and potential riverine overflow. Climate change is expected to increase the frequency and intensity of these events.Updated 31 Mar 2026

Flood Risk Score

4.0/10

Fremantle faces a moderate risk of flooding, primarily from intense rainfall events and potential riverine overflow. Climate change is expected to increase the frequency and intensity of these events.

Key Facts

Flood Risk
Fremantle faces a moderate risk of flooding, primarily from intense rainfall events and potential riverine overflow. Climate change is expected to increase the frequency and intensity of these events.
Trend
increasing
Suburb
Fremantle, ACT
Overall Risk
Medium

Flood Risk Analysis

Fremantle, located in Australian Capital Territory, 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 Australian Capital Territory.

The Molonglo River is the primary waterway that could impact Fremantle during significant flood events. Overland flow paths also pose a risk during intense rainfall.

Fremantle faces a moderate risk of flooding, primarily from intense rainfall events and potential riverine overflow. Climate change is expected to increase the frequency and intensity of these events.

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 WaterwayMolonglo River
Elevation Range550-600m
Flood Zone ClassificationPotentially affected by overland flow

Historical Events

2022
Moderate

Heavy rainfall caused localized flooding in parts of Canberra, including areas near Fremantle. Some roads were closed and properties were affected.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in improved drainage systems and flood barriers to protect properties from increased flood risk.

Est. cost: Medium

Bushfire Preparedness

Immediate

Implement regular bushfire risk assessments and maintain firebreaks around properties. Participate in community fire safety programs.

Est. cost: Low

Heatwave Action Plan

Near-term

Develop and implement a heatwave action plan to protect vulnerable populations during extreme heat events. This includes establishing cooling centers and providing public awareness campaigns.

Est. cost: Medium

Sustainable Urban Planning

Long-term

Promote sustainable urban planning practices to reduce the urban heat island effect and improve resilience to climate change impacts.

Est. cost: High

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 31 March 2026

Explore Fremantle Risk Reports

Frequently Asked Questions

Is Fremantle at risk of flooding?

Based on available data, Fremantle 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 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.

Is Fremantle Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Fremantle, Australian Capital Territory, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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