๐Ÿ“ฎ Kirrawee postcode: 2232

Flood Risk in Kirrawee, NSW: 2026 Assessment

Kirrawee, New South Walesยท Sutherland Shireยท 2232
Kirrawee 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 26 May 2026

Flood Risk Score

6.5/10

Kirrawee 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
Kirrawee 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
Kirrawee, NSW
Overall Risk
Medium
Postcode
2232
Highest high-risk exposure
19.2% of land (bushfire)

Flood Risk Analysis

Kirrawee, 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.

Some areas of Kirrawee are prone to flash flooding during heavy rainfall events due to inadequate drainage infrastructure.

Kirrawee 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.

Kirrawee sits within ClimateNest's suburb-level hazard model for flood risk. 4.8% of the suburb's land area is mapped in high-risk flood zones and 78.7% 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 Kirrawee.

Kirrawee (postcode 2232) 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 (19.2% of land in high-risk zones), surface flood (6.3% of land in high-risk zones), riverine flood (4.8% of land in high-risk zones). Exposure is not uniform across Kirrawee 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 WaterwayWoronora River
Elevation Range10-60 meters
Flood Zone ClassificationAreas near the Woronora River are designated as flood zones.

Historical Events

2022
Moderate

Major flooding event impacted the region, with some properties in Kirrawee experiencing water damage.

2001
Moderate

Heavy rainfall caused flooding in low-lying areas of Kirrawee, impacting homes and businesses.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Bushfire Risk Mitigation

Immediate

Implement vegetation management programs and promote fire-resistant landscaping to reduce bushfire risk.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave management plan and provide cooling centers for vulnerable residents.

Est. cost: Low

Coastal Protection Measures

Long-term

Implement coastal protection measures to mitigate the impacts of sea level rise and storm surges.

Est. cost: High

Community Education Programs

Near-term

Raise awareness about climate change risks and adaptation measures through community education programs.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Kirrawee Risk Reports

Frequently Asked Questions

Is Kirrawee at risk of flooding?

Based on available data, Kirrawee 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 Kirrawee?

Insurance costs for flood cover in Kirrawee 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 Kirrawee?

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

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

ClimateNest's hazard overlay maps 19.2% of Kirrawee in high-risk zones for bushfire, with a further 52.2% 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 Kirrawee Safe from Climate Risk?

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