What the mapping shows for Carrum Downs
Part of Carrum Downs is mapped as subject to coastal inundation.
<0.1% of Carrum Downs is mapped as subject to coastal inundation at current sea level
Victorian Coastal Inundation, State of Victoria (DEECA), CC BY 4.0, retrieved 2026-10-21
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Carrum Downs →Flood Risk in Carrum Downs, VIC: 2026 Assessment
<0.1% of Carrum Downs is mapped as subject to coastal inundation at current sea level
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
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Flood Risk Score
Not assessedCarrum Downs faces a moderate risk of flooding, primarily from heavy rainfall and stormwater runoff. The area's flat terrain and drainage infrastructure contribute to this risk.
Key Facts
- Flood Risk
- Carrum Downs faces a moderate risk of flooding, primarily from heavy rainfall and stormwater runoff. The area's flat terrain and drainage infrastructure contribute to this risk.
- Trend
- increasing
- Suburb
- Carrum Downs, VIC
- Overall Risk
- Medium
- Postcode
- 3201
- Region
- Greater Melbourne
- Median property value
- $1.2 million
- Dominant hazard
- extreme heat
Flood Risk Analysis
Carrum Downs, located in Victoria, 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 Victoria.
Historical flood events have impacted properties near the Patterson River. Council maintains flood maps and provides guidance on flood preparedness.
Carrum Downs faces a moderate risk of flooding, primarily from heavy rainfall and stormwater runoff. The area's flat terrain and drainage infrastructure contribute to 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.
Carrum Downs located in Greater Melbourne (postcode 3201), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $1.2 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Carrum Downs.
Across the six hazard axes ClimateNest models, the dominant climate risk for Carrum Downs in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+20% by 2030). The actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Carrum Downs, 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 Carrum Downs are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Localized flooding occurred in Carrum Downs due to heavy rainfall and inadequate drainage.
Major flooding event impacted the Frankston area, including parts of Carrum Downs, following heavy rainfall.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade and expand drainage systems to reduce the risk of flooding from heavy rainfall.
Est. cost: Medium
Develop Heatwave Management Plan
ImmediateImplement a heatwave management plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Protect Coastal Areas
Long-termImplement coastal protection measures to mitigate the impacts of sea level rise and storm surges.
Est. cost: High
Community Awareness Programs
Near-termConduct community awareness programs to educate residents about climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Carrum Downs Risk Reports
View other climate risk assessments for Carrum Downs:
Frequently Asked Questions
Is Carrum Downs at risk of flooding?
Based on available data, Carrum Downs 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 Carrum Downs?
Insurance costs for flood cover in Carrum Downs 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 Carrum Downs?
Yes, flood risk can affect property values in Carrum Downs. 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 Carrum Downs?
Elevation is a critical factor in flood risk. Properties at higher elevations within Carrum Downs 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 Carrum Downs Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Carrum Downs, Victoria, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections