What the mapping shows for Grantville

  • Part of Grantville is mapped as subject to coastal inundation.

    0.3% of Grantville 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.

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📮 Grantville postcode: 3984

Is Grantville, VIC Climate Safe? 2026 Assessment

Grantville, Victoria· Bass Coast Shire Council· 3984
Moderate climate risk — address-specificUpdated 28 June 2026

0.3% of Grantville 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.

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Climate Safety Score

5.5

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Moderate flood risk, primarily from localised heavy rainfall and potential minor inundation from Western Port Bay during extreme storm surges.
Bushfire
High bushfire risk due to proximity to significant bushland areas and vegetation, particularly to the south and east.
Heat
Medium heat risk, with increasing frequency and intensity of heatwaves predicted.
Storm
Moderate storm risk — severe thunderstorms with hail and damaging winds
Postcode
3984
Region
Coastal VIC
Median property value
$725,000
Dominant hazard
damaging wind

Climate Safety Analysis

Grantville in Victoria has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.

Key factors affecting Grantville's climate safety include coastal, bushfire. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.

Climate safety for property in Grantville is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.

For a complete property-specific climate safety report for Grantville including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Grantville located in Coastal VIC (postcode 3984), 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 Grantville.

Across the six hazard axes ClimateNest models, the dominant climate risk for Grantville 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 Grantville, 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 Grantville are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Distance to BushlandAdjacent to significant bushland reserves
BAL OverlaySignificant Landscape Overlay (SLO) and Bushfire Prone Area overlay
Nearest WaterwayWestern Port Bay
Flood ZoneCoastal inundation and localised stormwater
Avg January Max26.5 °C

Historical Events

2022
Minor

Heavy rainfall events led to localised flooding in low-lying areas and drainage issues within Grantville.

2016
Minor

King tides combined with storm surges led to minor coastal inundation along parts of Western Port Bay, affecting low-lying areas near Grantville.

1998
Moderate

Severe storms caused localised flooding and wind damage across the Bass Coast region, including areas around Grantville.

1971
Major

The 'Six Mile' bushfire impacted areas near Grantville, demonstrating the region's susceptibility to significant fire events.

Adaptation & Mitigation Actions

Coastal Defence and Dune Restoration

Immediate

Implement and maintain coastal defence structures (e.g., seawalls, revetments) and restore coastal dunes to mitigate erosion and inundation from sea level rise and storm surges.

Est. cost: $$$$

Bushfire Hazard Reduction Zones

Near-term

Establish and maintain strategic fuel reduction zones around the urban interface, particularly near bushland areas, through controlled burns and mechanical clearing.

Est. cost: $$$

Stormwater Management and Flood Mitigation

Near-term

Upgrade and maintain stormwater drainage systems, consider permeable paving in new developments, and investigate potential for localised flood retention basins.

Est. cost: $$

Urban Greening and Cool Refuges

Long-term

Increase tree canopy cover in public spaces and encourage green roofs/walls to reduce the urban heat island effect. Identify and establish public 'cool refuge' centres for extreme heat events.

Est. cost: $$

Community Bushfire Preparedness Program

Immediate

Enhance community engagement and education on bushfire preparedness, including Neighbourhood Safer Places and individual Bushfire Survival Plans.

Est. cost: $

Council & Emergency Services

Bass Coast Shire Council
Emergency Services

Data last updated: 28 June 2026

Explore Grantville Risk Reports

Frequently Asked Questions

Is Grantville safe from climate change?

No location in Australia is entirely immune to climate change impacts. Grantville has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.

Which climate hazard poses the biggest risk in Grantville?

The dominant hazard for Grantville depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.

How does Grantville compare to nearby suburbs for climate safety?

Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across Victoria suburbs.

Should I be concerned about buying property in Grantville?

Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.

What climate projections should I know for Grantville?

Key projections for Victoria from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for Grantville.

Is Grantville Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Grantville, Victoria, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections