Flood Risk in Caversham, WA: 2026 Assessment

Caversham, Western Australia· UNKNOWN
Caversham faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.Updated 1 Apr 2026

Flood Risk Score

4.0/10

Caversham faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.

Key Facts

Flood Risk
Caversham faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood events.
Trend
increasing
Suburb
Caversham, WA
Overall Risk
Medium
Postcode
6055
Region
Greater Perth
Median property value
$750,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
13.4% of land (surface flood)

Flood Risk Analysis

Caversham, 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 data indicates that properties close to the Swan River have experienced flooding in the past.

Caversham faces a moderate risk of flooding, primarily from the Swan River. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flood 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.

Caversham sits within ClimateNest's suburb-level hazard model for flood risk. 4.4% of the suburb's land area is mapped in high-risk flood zones and 79.3% 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 Caversham.

On ClimateNest's 0–10 suburb hazard index, Caversham scores 2 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Caversham can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Caversham located in Greater Perth (postcode 6055), is a Western Australia suburb tracked by ClimateNest. The suburb's median property value is $750,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Caversham.

Across the six hazard axes ClimateNest models, the dominant climate risk in Caversham is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Caversham, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Caversham are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwaySwan River
Elevation Range5-15 meters
Flood Zone ClassificationAreas near the Swan River are prone to flooding.

Historical Events

2022
Moderate

Significant rainfall led to localized flooding and road closures in Caversham.

2010
Moderate

Heavy rainfall caused flooding in low-lying areas near the Swan River.

Adaptation & Mitigation Actions

Develop a community heatwave plan

Immediate

Establish cooling centers and provide support for vulnerable residents during heatwaves.

Est. cost: Low

Implement bushfire mitigation measures

Near-term

Clear vegetation around properties and develop evacuation plans.

Est. cost: Medium

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding.

Est. cost: High

Promote water conservation

Long-term

Encourage residents to conserve water to reduce strain on water resources during droughts.

Est. cost: Low

Council & Emergency Services

City of Swan
Emergency Services

Data last updated: 1 April 2026

Explore Caversham Risk Reports

Frequently Asked Questions

Is Caversham at risk of flooding?

Based on available data, Caversham 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 Caversham?

Insurance costs for flood cover in Caversham 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 Caversham?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Caversham 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 are the main climate risks in Caversham?

ClimateNest's suburb model rates Caversham's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by damaging wind (4/10) and bushfire (3/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Caversham.

What share of Caversham is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 13.4% of Caversham in high-risk zones for surface flood, with a further 67.5% 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 Caversham Safe from Climate Risk?

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