Flood Risk in Oatley, NSW: 2026 Assessment
Flood Risk Score
6.0/10Oatley has a moderate risk of flooding due to its proximity to the Georges River and local waterways. Intense rainfall events can lead to riverine and flash flooding.
Key Facts
- Flood Risk
- Oatley has a moderate risk of flooding due to its proximity to the Georges River and local waterways. Intense rainfall events can lead to riverine and flash flooding.
- Trend
- increasing
- Suburb
- Oatley, NSW
- Overall Risk
- Medium
- Postcode
- 2223
- Highest high-risk exposure
- 13.1% of land (surface flood)
Flood Risk Analysis
Oatley, 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.
Historical flood events have impacted properties along the Georges River in Oatley.
Oatley has a moderate risk of flooding due to its proximity to the Georges River and local waterways. Intense rainfall events can lead to riverine and flash 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.
Oatley sits within ClimateNest's suburb-level hazard model for flood risk. 3.6% of the suburb's land area is mapped in high-risk flood zones and 69.1% 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 Oatley.
Oatley (postcode 2223) 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 (13.1% of land in high-risk zones), bushfire (12.2% of land in high-risk zones), extreme wind (4.9% of land in high-risk zones). Exposure is not uniform across Oatley 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
Historical Events
Heavy rainfall caused flooding along the Georges River, impacting some properties in Oatley.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in flood mitigation measures such as levees, drainage improvements, and flood-proofing of buildings.
Est. cost: High
Enhance Bushfire Preparedness
Near-termImplement bushfire management strategies, including vegetation clearing, fire breaks, and community education programs.
Est. cost: Medium
Develop Heatwave Action Plan
ImmediateCreate a heatwave action plan to protect vulnerable populations during extreme heat events, including cooling centers and public awareness campaigns.
Est. cost: Low
Protect Coastal Areas
Long-termImplement coastal management strategies to protect against sea level rise and storm surges, including beach nourishment and seawalls.
Est. cost: High
Promote Water Conservation
Near-termEncourage water conservation measures to reduce water demand during droughts and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Oatley Risk Reports
View other climate risk assessments for Oatley:
Frequently Asked Questions
Is Oatley at risk of flooding?
Based on available data, Oatley 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 Oatley?
Insurance costs for flood cover in Oatley 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 Oatley?
Yes, flood risk can affect property values in Oatley. 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 Oatley?
Elevation is a critical factor in flood risk. Properties at higher elevations within Oatley 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 Oatley is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 13.1% of Oatley in high-risk zones for surface flood, with a further 71.2% 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 Oatley Safe from Climate Risk?
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