Flood Risk in Horningsea Park, NSW: 2026 Assessment
Flood Risk Score
6.0/10Horningsea Park faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Key Facts
- Flood Risk
- Horningsea Park faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
- Trend
- increasing
- Suburb
- Horningsea Park, NSW
- Overall Risk
- Medium
- Postcode
- 2171
- Highest high-risk exposure
- 9.2% of land (bushfire)
Flood Risk Analysis
Horningsea Park, 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 properties in Horningsea Park are located in areas susceptible to flash flooding.
Horningsea Park faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
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.
Horningsea Park sits within ClimateNest's suburb-level hazard model for flood risk. 6% of the suburb's land area is mapped in high-risk flood zones and 64.7% 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 Horningsea Park.
Horningsea Park (postcode 2171) 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 (9.2% of land in high-risk zones), surface flood (8.1% of land in high-risk zones), riverine flood (6% of land in high-risk zones). Exposure is not uniform across Horningsea Park 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
Localized flooding occurred in parts of Liverpool LGA due to heavy rainfall.
Major flooding in the Hawkesbury-Nepean region affected parts of Western Sydney, including areas near Horningsea Park.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater drainage infrastructure to reduce flood risk.
Est. cost: Medium
Implement bushfire management plan
Near-termDevelop and implement a comprehensive bushfire management plan for the suburb.
Est. cost: Medium
Establish community cooling centers
ImmediateEstablish community cooling centers to provide refuge during heatwaves.
Est. cost: Low
Promote water conservation
Long-termEncourage residents to conserve water to reduce strain on water resources during droughts.
Est. cost: Low
Increase tree canopy cover
Long-termPlant more trees to reduce the urban heat island effect and provide shade.
Est. cost: Medium
Council & Emergency Services
Explore Horningsea Park Risk Reports
View other climate risk assessments for Horningsea Park:
Frequently Asked Questions
Is Horningsea Park at risk of flooding?
Based on available data, Horningsea Park 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 Horningsea Park?
Insurance costs for flood cover in Horningsea Park 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 Horningsea Park?
Yes, flood risk can affect property values in Horningsea Park. 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 Horningsea Park?
Elevation is a critical factor in flood risk. Properties at higher elevations within Horningsea Park 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 Horningsea Park is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 9.2% of Horningsea Park in high-risk zones for bushfire, with a further 73.4% 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 Horningsea Park Safe from Climate Risk?
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