๐Ÿ“ฎ Wollongbar postcode: 2477

Flood Risk in Wollongbar, NSW: 2026 Assessment

Wollongbar, New South Walesยท UNKNOWNยท 2477
Wollongbar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding and riverine flooding.Updated 13 Apr 2026

Flood Risk Score

6.5/10

Wollongbar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding and riverine flooding.

Key Facts

Flood Risk
Wollongbar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding and riverine flooding.
Trend
increasing
Suburb
Wollongbar, NSW
Overall Risk
Medium
Postcode
2477
Highest high-risk exposure
12.1% of land (surface flood)

Flood Risk Analysis

Wollongbar, 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 council has identified areas at risk of flash flooding.

Wollongbar faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. 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.

Wollongbar sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 75.1% 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 Wollongbar.

Wollongbar (postcode 2477) 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 surface flood (12.1% of land in high-risk zones), bushfire (7.2% of land in high-risk zones), extreme wind (7.2% of land in high-risk zones). Exposure is not uniform across Wollongbar 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 WaterwayWilsons River
Elevation Range40-60 meters
Flood Zone ClassificationPartially within a flood zone

Historical Events

2022
Major

Severe flooding in the Northern Rivers region, impacting Wollongbar and surrounding areas.

2017
Moderate

Heavy rainfall caused localized flooding in Wollongbar.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Bushfire Preparedness

Near-term

Implement bushfire management strategies, including controlled burns and community education programs.

Est. cost: Medium

Heatwave Action Plan

Immediate

Develop a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Community Awareness Programs

Long-term

Educate residents about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 13 April 2026

Explore Wollongbar Risk Reports

Frequently Asked Questions

Is Wollongbar at risk of flooding?

Based on available data, Wollongbar 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 Wollongbar?

Insurance costs for flood cover in Wollongbar 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 Wollongbar?

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

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

ClimateNest's hazard overlay maps 12.1% of Wollongbar in high-risk zones for surface flood, with a further 62.9% 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 Wollongbar Safe from Climate Risk?

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