๐Ÿ“ฎ Strathfield postcode: 2135

Flood Risk in Strathfield, NSW: 2026 Assessment

Strathfield, New South Walesยท Strathfieldยท 2135
Strathfield faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 9 Mar 2026

Flood Risk Score

6.0/10

Strathfield faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

Key Facts

Flood Risk
Strathfield faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Strathfield, NSW
Overall Risk
Medium
Postcode
2135
Highest high-risk exposure
8.7% of land (surface flood)

Flood Risk Analysis

Strathfield, 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 low-lying areas are susceptible to flash flooding during heavy rainfall events.

Strathfield faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

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.

Strathfield sits within ClimateNest's suburb-level hazard model for flood risk. 5.7% of the suburb's land area is mapped in high-risk flood zones and 71.6% 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 Strathfield.

Strathfield (postcode 2135) 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 (8.7% of land in high-risk zones), riverine flood (5.7% of land in high-risk zones), bushfire (5.6% of land in high-risk zones). Exposure is not uniform across Strathfield 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 WaterwayCooks River
Elevation Range5-20 meters
Flood Zone ClassificationPartially within a 100-year flood zone

Historical Events

2011
Moderate

Heavy rainfall caused flash flooding in Strathfield, inundating roads and properties.

1990
Moderate

Major flooding along Cooks River affected parts of Strathfield, causing property damage and disruption to transport.

Adaptation & Mitigation Actions

Improve stormwater drainage

Immediate

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Increase green spaces

Near-term

Plant more trees and create green spaces to mitigate the urban heat island effect and provide shade.

Est. cost: Medium

Develop a heatwave management plan

Immediate

Implement a plan to protect vulnerable residents during heatwaves, including cooling centers and community outreach programs.

Est. cost: Low

Raise awareness about flood risks

Near-term

Educate residents about flood risks and preparedness measures, including evacuation plans and insurance options.

Est. cost: Low

Promote water-sensitive urban design

Long-term

Incorporate water-sensitive urban design principles in new developments to reduce stormwater runoff and improve water quality.

Est. cost: Medium

Council & Emergency Services

Strathfield Council
Emergency Services

Data last updated: 9 March 2026

Explore Strathfield Risk Reports

Frequently Asked Questions

Is Strathfield at risk of flooding?

Based on available data, Strathfield 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 Strathfield?

Insurance costs for flood cover in Strathfield 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 Strathfield?

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

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

ClimateNest's hazard overlay maps 8.7% of Strathfield in high-risk zones for surface flood, with a further 70.4% 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 Strathfield Safe from Climate Risk?

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