Flood Risk in Irvington, NSW: 2026 Assessment

Irvington, New South Wales· UNKNOWN
Irvington faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase due to climate change.Updated 3 May 2026

Flood Risk Score

6.0/10

Irvington faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase due to climate change.

Key Facts

Flood Risk
Irvington faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase due to climate change.
Trend
increasing
Suburb
Irvington, NSW
Overall Risk
Medium
Postcode
2470
Highest high-risk exposure
11.8% of land (bushfire)

Flood Risk Analysis

Irvington, 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 implemented some flood mitigation measures, but further upgrades may be needed.

Irvington faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is expected to increase due to climate change.

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.

Irvington sits within ClimateNest's suburb-level hazard model for flood risk. 7.2% of the suburb's land area is mapped in high-risk flood zones and 66.7% 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 Irvington.

Irvington (postcode 2470) 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 (11.8% of land in high-risk zones), riverine flood (7.2% of land in high-risk zones), surface flood (6.8% of land in high-risk zones). Exposure is not uniform across Irvington — 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 WaterwayLocal creeks and drainage systems
Elevation RangeVariable, ranging from low-lying areas to higher ground
Flood Zone ClassificationAreas near creeks are prone to flooding

Historical Events

2011
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Irvington.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

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

Est. cost: High

Develop Heat Action Plan

Immediate

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

Est. cost: Medium

Bushfire Preparedness

Near-term

Implement community education programs on bushfire preparedness and property maintenance.

Est. cost: Low

Upgrade Building Codes

Long-term

Update building codes to ensure new buildings are more resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 3 May 2026

Explore Irvington Risk Reports

Frequently Asked Questions

Is Irvington at risk of flooding?

Based on available data, Irvington 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 Irvington?

Insurance costs for flood cover in Irvington 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 Irvington?

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

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

ClimateNest's hazard overlay maps 11.8% of Irvington in high-risk zones for bushfire, with a further 80.2% 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 Irvington Safe from Climate Risk?

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