๐Ÿ“ฎ Horningsea Park postcode: 2171

Flood Risk in Horningsea Park, NSW: 2026 Assessment

Horningsea Park, New South Walesยท Liverpoolยท 2171
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.Updated 22 May 2026

Flood Risk Score

6.0/10

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.

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

Nearest WaterwayOrchard Creek
Elevation Range20-30m
Flood Zone ClassificationPartially within a 1% AEP flood zone

Historical Events

2017
Minor

Localized flooding occurred in parts of Liverpool LGA due to heavy rainfall.

2011
Moderate

Major flooding in the Hawkesbury-Nepean region affected parts of Western Sydney, including areas near Horningsea Park.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage infrastructure to reduce flood risk.

Est. cost: Medium

Implement bushfire management plan

Near-term

Develop and implement a comprehensive bushfire management plan for the suburb.

Est. cost: Medium

Establish community cooling centers

Immediate

Establish community cooling centers to provide refuge during heatwaves.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water to reduce strain on water resources during droughts.

Est. cost: Low

Increase tree canopy cover

Long-term

Plant more trees to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Council & Emergency Services

Liverpool City Council
Emergency Services

Data last updated: 22 May 2026

Explore Horningsea Park Risk Reports

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?

Enter your address below for an instant climate risk assessment for Horningsea Park, 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