What the mapping shows for Churchill Island
Part of Churchill Island is mapped as subject to coastal inundation.
6.9% of Churchill Island 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 Churchill Island →Property Investment Score: Churchill Island, VIC (2026)
6.9% of Churchill Island 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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*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections
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Investment Score
5.5Moderate investment with climate considerations
Key Facts
- Climate Risk
- Medium
- Resale Risk
- Medium
- Suburb
- Churchill Island, VIC
- Postcode
- 3925
- Region
- Coastal VIC
- Median property value
- $725,000
- Dominant hazard
- damaging wind
Investment Score Analysis
Churchill Island in Victoria has an investment score reflecting its climate risk profile, property market fundamentals, and long-term climate projections. The overall Medium risk rating is a key input for investors evaluating climate-adjusted returns.
Potential negative impact on property values in areas with high coastal and heat risks.
The emergence of climate risk awareness among buyers, tenants, insurers, and lenders is creating differentiation in the property market. Properties in Churchill Island with demonstrably lower hazard exposure may attract stronger demand, better insurance terms, and more resilient long-term value.
Use ClimateNest for a complete property-specific investment analysis for Churchill Island including address-level risk scoring, insurance cost projections, climate-adjusted value forecasts to 2050, and resale liquidity assessment.
Churchill Island located in Coastal VIC (postcode 3925), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $725,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Churchill Island.
Across the six hazard axes ClimateNest models, the dominant climate risk for Churchill Island in this type is damaging wind. Insurance signals for the suburb point to premiums rising moderately (+25% 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 Churchill Island, damaging wind 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 Churchill Island are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Heavy rainfall and king tides led to localized flooding and coastal inundation in low-lying areas around Western Port Bay.
A severe heatwave impacted Victoria, with prolonged periods of extreme temperatures causing health concerns and increased fire risk across the state.
The 'Ash Wednesday' fires affected parts of Victoria, with coastal scrub areas experiencing significant burning, though direct impact on Churchill Island was limited.
Significant storm surge and high tides caused coastal erosion and minor inundation along parts of Western Port Bay, impacting low-lying areas.
Adaptation & Mitigation Actions
Coastal Defence and Dune Restoration
Near-termImplement hard and soft engineering solutions for coastal protection, including seawalls and beach nourishment, alongside restoring and enhancing coastal dunes to buffer against erosion and inundation.
Est. cost: $$$$
Heatwave Action Plan
ImmediateDevelop and implement a comprehensive heatwave action plan, including public awareness campaigns, establishing cool refuges, and providing guidance on heat-safe practices for visitors and staff.
Est. cost: $$
Ecosystem Resilience and Management
Long-termFocus on maintaining and enhancing the resilience of the island's natural ecosystems to climate impacts, including managing invasive species and protecting native vegetation.
Est. cost: $$
Floodplain Management and Infrastructure Adaptation
Near-termReview and update floodplain management strategies, ensuring that any new or existing infrastructure is designed or retrofitted to withstand projected flood levels and storm surges.
Est. cost: $$$
Water Management and Conservation
Long-termImplement water-sensitive urban design principles and water conservation measures to manage water resources effectively, especially during periods of drought or increased demand.
Est. cost: $
Council & Emergency Services
Explore Churchill Island Risk Reports
View other climate risk assessments for Churchill Island:
Frequently Asked Questions
Is Churchill Island a good investment?
Churchill Island has an overall Medium climate risk rating. Get an address-level investment analysis from ClimateNest including climate-adjusted value projections, insurance cost trajectories, and resale liquidity scoring.
How does climate risk affect property investment returns in Churchill Island?
Climate risk can affect returns through higher insurance costs, reduced buyer demand in higher-risk areas, potential lender restrictions, and market differentiation between high-risk and low-risk properties within Churchill Island. ClimateNest provides climate-adjusted investment metrics.
What is the resale outlook for properties in Churchill Island?
The resale outlook for Churchill Island depends partly on how climate risk perceptions evolve. As awareness grows, buyers are likely to increasingly favour lower-risk properties. An address-level report helps you understand the specific resale liquidity outlook.
Are there climate-resilient suburbs near Churchill Island?
Neighbouring suburbs may have different climate risk profiles due to variations in elevation, vegetation cover, drainage, and land use. ClimateNest allows you to compare investment scores across Victoria suburbs to identify relative opportunities and risks.
Is Churchill Island Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Churchill Island, 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