What the mapping shows for Newhaven
Part of Newhaven is mapped as subject to coastal inundation.
1.6% of Newhaven 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 Newhaven →Heat Risk in Newhaven, VIC: 2026 Assessment
1.6% of Newhaven 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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Heat Risk Score
Not assessedModerate heat risk, with increasing frequency and intensity of heatwaves impacting comfort and health.
Key Facts
- Heat Risk
- Moderate heat risk, with increasing frequency and intensity of heatwaves impacting comfort and health.
- Trend
- increasing
- Suburb
- Newhaven, VIC
- Overall Risk
- Medium
- Postcode
- 3925
Heat Risk Analysis
Newhaven in Victoria faces location-specific extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Newhaven warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
Coastal breezes offer some moderation, but inland areas and properties with poor insulation are more susceptible to heat stress during prolonged heatwaves.
Get an address-level heat risk assessment from ClimateNest for Newhaven including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Newhaven. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
A prolonged and intense heatwave affected Victoria, with record-breaking temperatures in many areas, including the Bass Coast region, leading to health alerts.
Adaptation & Mitigation Actions
Coastal Dune Restoration and Management
Near-termImplement programs to restore and maintain coastal dunes to act as natural buffers against erosion and storm surges. This includes revegetation with native species and managing public access.
Est. cost: $50,000 - $200,000
Develop and Update Bushfire Management Plan
ImmediateEnhance the existing bushfire management plan with updated fuel load assessments, strategic firebreaks, and community education on property preparedness, focusing on ember attack mitigation.
Est. cost: $20,000 - $75,000
Implement Sustainable Urban Drainage Systems (SuDS)
Near-termIntegrate SuDS such as rain gardens, permeable pavements, and detention basins into new developments and retrofits to manage stormwater runoff and reduce localised flooding.
Est. cost: $100,000 - $500,000+
Community Heatwave Action Plan
Near-termEstablish a community-wide heatwave action plan including identifying vulnerable residents, establishing cooling centres, and promoting public awareness campaigns on heat safety.
Est. cost: $10,000 - $30,000
Climate-Resilient Building Standards Review
Long-termAdvocate for and adopt stricter building codes and planning overlays that account for future climate risks, including elevated flood levels, increased wind loads, and bushfire attack levels.
Est. cost: Variable (developer/owner cost)
Council & Emergency Services
Explore Newhaven Risk Reports
View other climate risk assessments for Newhaven:
Frequently Asked Questions
How hot does Newhaven get in summer?
Newhaven in Victoria experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Newhaven. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Newhaven?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Victoria. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Newhaven properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Newhaven and the performance of your building envelope.
What heat mitigation measures work best in Newhaven?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
Is Newhaven Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Newhaven, 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