Flood Risk in Ascot, WA: 2026 Assessment

Ascot, Western Australia· UNKNOWN
Ascot is located near the Swan River and has a moderate risk of flooding, particularly during periods of heavy rainfall and storm surges.Updated 18 Mar 2026

Flood Risk Score

6.5/10

Ascot is located near the Swan River and has a moderate risk of flooding, particularly during periods of heavy rainfall and storm surges.

Key Facts

Flood Risk
Ascot is located near the Swan River and has a moderate risk of flooding, particularly during periods of heavy rainfall and storm surges.
Trend
increasing
Suburb
Ascot, WA
Overall Risk
Medium
Postcode
6104
Highest high-risk exposure
20.4% of land (bushfire)

Flood Risk Analysis

Ascot, 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.

The area has experienced minor flooding in the past, particularly along the riverfront.

Ascot is located near the Swan River and has a moderate risk of flooding, particularly during periods of heavy rainfall and storm surges.

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.

Ascot sits within ClimateNest's suburb-level hazard model for flood risk. 11.2% of the suburb's land area is mapped in high-risk flood zones and 79% 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 Ascot.

Ascot (postcode 6104) 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 (20.4% of land in high-risk zones), riverine flood (11.2% of land in high-risk zones), surface flood (5.1% of land in high-risk zones). Exposure is not uniform across Ascot — 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 Range5-10 meters
Flood Zone ClassificationModerate

Historical Events

2021
Minor

Localized flooding occurred after a period of intense rainfall.

2010
Moderate

Heavy rainfall caused flooding along the Swan River, affecting some properties in Ascot.

Adaptation & Mitigation Actions

Improve Flood Protection Infrastructure

Near-term

Invest in levees, drainage systems, and other infrastructure to protect properties from flooding.

Est. cost: High

Implement Heat Mitigation Strategies

Near-term

Increase vegetation cover, promote cool roofs, and implement urban planning strategies to reduce the urban heat island effect.

Est. cost: Medium

Strengthen Coastal Defenses

Long-term

Construct seawalls, restore coastal vegetation, and implement managed retreat strategies to protect coastal properties from erosion and inundation.

Est. cost: High

Develop Bushfire Management Plans

Near-term

Create and implement bushfire management plans for properties and communities in bushfire-prone areas.

Est. cost: Low

Community Awareness Programs

Immediate

Educate residents about climate risks and adaptation measures through workshops, information sessions, and online resources.

Est. cost: Low

Council & Emergency Services

City of Belmont
Emergency Services

Data last updated: 18 March 2026

Explore Ascot Risk Reports

Frequently Asked Questions

Is Ascot at risk of flooding?

Based on available data, Ascot 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 Ascot?

Insurance costs for flood cover in Ascot 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 Ascot?

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

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

ClimateNest's hazard overlay maps 20.4% of Ascot in high-risk zones for bushfire, with a further 66.5% 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 Ascot Safe from Climate Risk?

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