📮 Gerringong postcode: 2534

Flood Risk in Gerringong, NSW: 2026 Assessment

Gerringong, New South Wales· Kiama· 2534
Gerringong faces a moderate risk of flooding due to its coastal location and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.Updated 18 May 2026

Is Gerringong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gerringong, New South Wales, covering flood, bushfire, sea level rise and more.

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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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Flood Risk Score

Not assessed

Gerringong faces a moderate risk of flooding due to its coastal location and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.

Key Facts

Flood Risk
Gerringong faces a moderate risk of flooding due to its coastal location and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.
Trend
increasing
Suburb
Gerringong, NSW
Overall Risk
Medium
Postcode
2534
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat

Flood Risk Analysis

Gerringong, located in New South Wales, 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 New South Wales.

The Crooked River and coastal areas are prone to flooding during heavy rainfall events.

Gerringong faces a moderate risk of flooding due to its coastal location and proximity to waterways. Intense rainfall events can lead to flash flooding and riverine flooding.

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.

Gerringong located in Coastal NSW (postcode 2534), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Gerringong.

Across the six hazard axes ClimateNest models, the dominant climate risk for Gerringong in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Gerringong, 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 Gerringong are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCrooked River
Elevation Range0-100m
Flood Zone ClassificationCoastal floodplain

Historical Events

2020
Moderate

Heavy rainfall led to flash flooding in Gerringong, inundating roads and properties.

2011
Moderate

Major flooding occurred in the region, impacting low-lying areas and causing road closures.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal defenses to protect infrastructure and property from sea level rise and erosion.

Est. cost: High

Develop a heatwave response plan

Immediate

Establish a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Manage vegetation to reduce bushfire risk

Near-term

Clear vegetation around properties and implement controlled burns to reduce the risk of bushfires.

Est. cost: Medium

Raise community awareness

Immediate

Educate residents about climate change risks and adaptation measures through workshops and public information campaigns.

Est. cost: Low

Council & Emergency Services

Kiama Municipal Council
Emergency Services

Data last updated: 18 May 2026

Explore Gerringong Risk Reports

Frequently Asked Questions

Is Gerringong at risk of flooding?

Based on available data, Gerringong 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 Gerringong?

Insurance costs for flood cover in Gerringong 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 Gerringong?

Yes, flood risk can affect property values in Gerringong. 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 Gerringong?

Elevation is a critical factor in flood risk. Properties at higher elevations within Gerringong 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 Gerringong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gerringong, New South Wales, 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