๐Ÿ“ฎ Oatlands postcode: 2117

Flood Risk in Oatlands, NSW: 2026 Assessment

Oatlands, New South Walesยท Parramattaยท 2117
Oatlands 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 14 Apr 2026

Flood Risk Score

6.0/10

Oatlands 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
Oatlands 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
Oatlands, NSW
Overall Risk
Medium
Postcode
2117
Highest high-risk exposure
9.8% of land (riverine flood)

Flood Risk Analysis

Oatlands, 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 data indicates that some properties in Oatlands have been affected by flooding in the past.

Oatlands 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.

Oatlands sits within ClimateNest's suburb-level hazard model for flood risk. 9.8% of the suburb's land area is mapped in high-risk flood zones and 70.4% 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 Oatlands.

Oatlands (postcode 2117) 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 riverine flood (9.8% of land in high-risk zones), bushfire (8.1% of land in high-risk zones), surface flood (6.7% of land in high-risk zones). Exposure is not uniform across Oatlands 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 WaterwayParramatta River
Elevation Range20-40 meters
Flood Zone ClassificationPartially within a 1% AEP flood zone

Historical Events

2011
Moderate

Heavy rainfall caused localized flooding in Oatlands, particularly in low-lying areas.

1990
Moderate

Significant flooding occurred in the Parramatta River catchment, affecting some properties in Oatlands.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: High

Implement Urban Greening Initiatives

Near-term

Increase tree canopy cover and green spaces to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

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

Est. cost: Low

Raise Community Awareness

Long-term

Educate residents about climate change risks and adaptation measures through workshops, online resources, and community events.

Est. cost: Low

Council & Emergency Services

City of Parramatta Council
Emergency Services

Data last updated: 14 April 2026

Explore Oatlands Risk Reports

Frequently Asked Questions

Is Oatlands at risk of flooding?

Based on available data, Oatlands 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 Oatlands?

Insurance costs for flood cover in Oatlands 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 Oatlands?

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

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

ClimateNest's hazard overlay maps 9.8% of Oatlands in high-risk zones for riverine 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 Oatlands Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Oatlands, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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