Flood Risk in Caversham, WA: 2026 Assessment
Flood Risk Score
4.0/10Caversham 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
Historical Events
Significant rainfall led to localized flooding and road closures in Caversham.
Heavy rainfall caused flooding in low-lying areas near the Swan River.
Adaptation & Mitigation Actions
Develop a community heatwave plan
ImmediateEstablish cooling centers and provide support for vulnerable residents during heatwaves.
Est. cost: Low
Implement bushfire mitigation measures
Near-termClear vegetation around properties and develop evacuation plans.
Est. cost: Medium
Upgrade drainage infrastructure
Near-termImprove drainage systems to reduce the risk of flooding.
Est. cost: High
Promote water conservation
Long-termEncourage residents to conserve water to reduce strain on water resources during droughts.
Est. cost: Low
Council & Emergency Services
Explore Caversham Risk Reports
View other climate risk assessments for Caversham:
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?
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections