Flood Risk in Yennora, NSW: 2026 Assessment
Flood Risk Score
6.0/10Yennora 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
- Yennora 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
- Yennora, NSW
- Overall Risk
- Medium
- Postcode
- 2161
- Highest high-risk exposure
- 8.6% of land (bushfire)
Flood Risk Analysis
Yennora, 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 in low-lying areas near the river.
Yennora 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.
Yennora sits within ClimateNest's suburb-level hazard model for flood risk. 4.5% of the suburb's land area is mapped in high-risk flood zones and 84% 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 Yennora.
Yennora (postcode 2161) 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 (8.6% of land in high-risk zones), extreme wind (6% of land in high-risk zones), riverine flood (4.5% of land in high-risk zones). Exposure is not uniform across Yennora 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 flash flooding in parts of Yennora, disrupting traffic and damaging properties.
Significant flooding along the Parramatta River impacted low-lying areas of Yennora.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade and expand drainage systems to better manage increased rainfall and reduce the risk of flash flooding.
Est. cost: High
Increase Green Spaces
Near-termPlant more trees and create green spaces to reduce the urban heat island effect and provide shade during heatwaves.
Est. cost: Medium
Develop a Heatwave Management Plan
ImmediateImplement a heatwave early warning system and provide support for vulnerable residents during extreme heat events.
Est. cost: Low
Raise Awareness of Flood Risks
Near-termEducate residents about flood risks and provide guidance on how to prepare for and respond to flood events.
Est. cost: Low
Promote Water Conservation
Long-termEncourage residents to conserve water to reduce strain on water resources during periods of drought and heat.
Est. cost: Low
Council & Emergency Services
Explore Yennora Risk Reports
View other climate risk assessments for Yennora:
Frequently Asked Questions
Is Yennora at risk of flooding?
Based on available data, Yennora 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 Yennora?
Insurance costs for flood cover in Yennora 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 Yennora?
Yes, flood risk can affect property values in Yennora. 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 Yennora?
Elevation is a critical factor in flood risk. Properties at higher elevations within Yennora 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 Yennora is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 8.6% of Yennora in high-risk zones for bushfire, with a further 62.1% 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 Yennora Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Yennora, New South Wales, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*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