๐Ÿ“ฎ Windang postcode: 2528

Flood Risk in Windang, NSW: 2026 Assessment

Windang, New South Walesยท City of Wollongongยท 2528
Windang faces a high risk of flooding due to its low-lying coastal location and proximity to Lake Illawarra and the ocean. Intense rainfall events can lead to both riverine and coastal flooding.Updated 30 May 2026

Flood Risk Score

8.5/10

Windang faces a high risk of flooding due to its low-lying coastal location and proximity to Lake Illawarra and the ocean. Intense rainfall events can lead to both riverine and coastal flooding.

Key Facts

Flood Risk
Windang faces a high risk of flooding due to its low-lying coastal location and proximity to Lake Illawarra and the ocean. Intense rainfall events can lead to both riverine and coastal flooding.
Trend
increasing
Suburb
Windang, NSW
Overall Risk
High
Postcode
2528
Highest high-risk exposure
18.1% of land (bushfire)

Flood Risk Analysis

Windang, 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.

Several properties in Windang are located within identified flood zones and are susceptible to inundation during heavy rainfall events.

Windang faces a high risk of flooding due to its low-lying coastal location and proximity to Lake Illawarra and the ocean. Intense rainfall events can lead to both riverine and coastal 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.

Windang sits within ClimateNest's suburb-level hazard model for flood risk. 12.9% of the suburb's land area is mapped in high-risk flood zones and 69.2% 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 Windang.

Windang (postcode 2528) 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 bushfire (18.1% of land in high-risk zones), surface flood (14.4% of land in high-risk zones), riverine flood (12.9% of land in high-risk zones). Exposure is not uniform across Windang โ€” 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 WaterwayLake Illawarra and Pacific Ocean
Elevation Range0-10 meters
Flood Zone ClassificationCoastal and Riverine Floodplain

Historical Events

2020
Moderate

Heavy rainfall led to flash flooding in Windang, affecting homes and businesses.

2011
Moderate

Major flooding occurred in the Illawarra region, impacting Windang with significant inundation of low-lying areas.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Immediate

Improve drainage systems to manage increased rainfall and reduce the risk of flash flooding.

Est. cost: High

Construct Coastal Defenses

Near-term

Build seawalls and other coastal defenses to protect against erosion and inundation.

Est. cost: Very 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: Medium

Bushfire Management Plan

Near-term

Create and implement a bushfire management plan to reduce the risk of bushfires impacting the community.

Est. cost: Medium

Community Education Programs

Long-term

Educate residents about climate risks and how to prepare for extreme weather events.

Est. cost: Low

Council & Emergency Services

City of Wollongong
Emergency Services

Data last updated: 30 May 2026

Explore Windang Risk Reports

Frequently Asked Questions

Is Windang at risk of flooding?

Based on available data, Windang has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Windang?

Insurance costs for flood cover in Windang 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 Windang?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Windang 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 Windang is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.1% of Windang in high-risk zones for bushfire, with a further 72.6% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Windang Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Windang, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections