๐Ÿ“ฎ Killcare postcode: 2257

Flood Risk in Killcare, NSW: 2026 Assessment

Killcare, New South Walesยท Central Coastยท 2257
Killcare faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.Updated 7 May 2026

Flood Risk Score

6.5/10

Killcare faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.

Key Facts

Flood Risk
Killcare faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.
Trend
increasing
Suburb
Killcare, NSW
Overall Risk
Medium
Postcode
2257
Highest high-risk exposure
23% of land (bushfire)

Flood Risk Analysis

Killcare, 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.

Low-lying areas near Cockrone Lagoon are particularly susceptible to flooding.

Killcare faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to localised flooding.

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.

Killcare sits within ClimateNest's suburb-level hazard model for flood risk. 5.2% of the suburb's land area is mapped in high-risk flood zones and 80.2% 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 Killcare.

Killcare (postcode 2257) 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 (23% of land in high-risk zones), surface flood (8.2% of land in high-risk zones), riverine flood (5.2% of land in high-risk zones). Exposure is not uniform across Killcare 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 WaterwayCockrone Lagoon
Elevation Range0-50 meters
Flood Zone ClassificationCoastal and riverine floodplains

Historical Events

2020
Moderate

Heavy rainfall caused localised flooding in low-lying areas of Killcare.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Bushfire Management Plan

Immediate

Develop and implement a comprehensive bushfire management plan, including hazard reduction burns and community education programs.

Est. cost: Medium

Heatwave Preparedness

Near-term

Establish a heatwave early warning system and provide support for vulnerable residents during extreme heat events.

Est. cost: Low

Coastal Erosion Monitoring

Long-term

Implement a long-term coastal erosion monitoring program and develop strategies to protect beachfront properties and infrastructure.

Est. cost: High

Community Awareness Programs

Near-term

Educate residents about climate risks and adaptation measures through workshops and online resources.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 7 May 2026

Explore Killcare Risk Reports

Frequently Asked Questions

Is Killcare at risk of flooding?

Based on available data, Killcare 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 Killcare?

Insurance costs for flood cover in Killcare 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 Killcare?

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

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

ClimateNest's hazard overlay maps 23% of Killcare in high-risk zones for bushfire, with a further 70.5% 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 Killcare Safe from Climate Risk?

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