Flood Risk in Worrowing Heights, NSW: 2026 Assessment

Worrowing Heights, New South Wales· UNKNOWN
Worrowing Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is influenced by local topography and drainage infrastructure.Updated 25 May 2026

Flood Risk Score

4.2/10

Worrowing Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is influenced by local topography and drainage infrastructure.

Key Facts

Flood Risk
Worrowing Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is influenced by local topography and drainage infrastructure.
Trend
increasing
Suburb
Worrowing Heights, NSW
Overall Risk
Medium
Postcode
2540
Highest high-risk exposure
9.7% of land (riverine flood)

Flood Risk Analysis

Worrowing Heights, located in New South Wales, has a notable 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.

Local drainage capacity may be exceeded during heavy rainfall events.

Worrowing Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. The risk is influenced by local topography and drainage infrastructure.

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.

Worrowing Heights sits within ClimateNest's suburb-level hazard model for flood risk. 9.7% of the suburb's land area is mapped in high-risk flood zones and 61.3% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Worrowing Heights.

Worrowing Heights (postcode 2540) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are riverine flood (9.7% of land in high-risk zones), bushfire (8.9% of land in high-risk zones), surface flood (5.7% of land in high-risk zones). Exposure is not uniform across Worrowing Heights — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayShoalhaven River
Elevation Range50-150m
Flood Zone ClassificationPotentially affected by overland flow

Historical Events

2020
Moderate

Flooding occurred due to heavy rainfall events, impacting local infrastructure.

2016
Moderate

Heavy rainfall caused flooding in low-lying areas, disrupting transport and damaging property.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade and maintain drainage systems to mitigate flood risk from increased rainfall intensity.

Est. cost: Medium

Bushfire Preparedness Planning

Immediate

Develop and implement comprehensive bushfire management plans, including fuel reduction and community education programs.

Est. cost: Medium

Heatwave Early Warning System

Near-term

Establish a heatwave early warning system to alert vulnerable populations and provide guidance on protective measures.

Est. cost: Low

Community Education Programs

Long-term

Implement community education programs to raise awareness about climate risks and promote adaptation measures.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 25 May 2026

Explore Worrowing Heights Risk Reports

Frequently Asked Questions

Is Worrowing Heights at risk of flooding?

Based on available data, Worrowing Heights has a notable 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 Worrowing Heights?

Insurance costs for flood cover in Worrowing Heights 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 Worrowing Heights?

Yes, flood risk can affect property values in Worrowing Heights. 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 Worrowing Heights?

Elevation is a critical factor in flood risk. Properties at higher elevations within Worrowing Heights 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.

What share of Worrowing Heights is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 9.7% of Worrowing Heights in high-risk zones for riverine flood, with a further 61.3% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Worrowing Heights Safe from Climate Risk?

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

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What A$69 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$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections