📮 Randwick postcode: 2031

Flood Risk in Randwick, NSW: 2026 Assessment

Randwick, New South Wales· Randwick· 2031
Randwick faces a moderate risk of flooding, primarily from heavy rainfall events and stormwater runoff. Areas near low-lying coastal regions and waterways are more vulnerable.Updated 1 Apr 2026

Is Randwick Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Randwick, 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

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Flood Risk Score

Not assessed

Randwick faces a moderate risk of flooding, primarily from heavy rainfall events and stormwater runoff. Areas near low-lying coastal regions and waterways are more vulnerable.

Key Facts

Flood Risk
Randwick faces a moderate risk of flooding, primarily from heavy rainfall events and stormwater runoff. Areas near low-lying coastal regions and waterways are more vulnerable.
Trend
increasing
Suburb
Randwick, NSW
Overall Risk
Medium
Postcode
2031

Flood Risk Analysis

Randwick, 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.

Randwick Council has identified several flood hotspots and is working to improve drainage infrastructure.

Randwick faces a moderate risk of flooding, primarily from heavy rainfall events and stormwater runoff. Areas near low-lying coastal regions and waterways are more vulnerable.

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.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Randwick. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Local Hazard Evidence

Nearest WaterwayCoogee Beach Drainage System
Elevation Range0-60 meters
Flood Zone ClassificationAreas near Coogee Beach and low-lying areas are prone to flooding.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: High

Implement heatwave early warning system

Immediate

Develop a system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Strengthen coastal defenses

Long-term

Invest in coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and erosion.

Est. cost: Very High

Promote green infrastructure

Near-term

Increase tree canopy cover and create green spaces to reduce the urban heat island effect and improve stormwater management.

Est. cost: Medium

Community awareness programs

Immediate

Educate residents about climate risks and adaptation measures through workshops and online resources.

Est. cost: Low

Council & Emergency Services

Randwick City Council
Emergency Services

Data last updated: 1 April 2026

Explore Randwick Risk Reports

Frequently Asked Questions

Is Randwick at risk of flooding?

Based on available data, Randwick 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 Randwick?

Insurance costs for flood cover in Randwick 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 Randwick?

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

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

Enter your address below for an instant climate risk assessment for Randwick, 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