๐Ÿ“ฎ South Kempsey postcode: 2440

Flood Risk in South Kempsey, NSW: 2026 Assessment

South Kempsey, New South Walesยท Kempseyยท 2440
South Kempsey is at a high risk of flooding due to its proximity to the Macleay River and low-lying areas. Historical flood events have impacted the suburb, and climate change is expected to increase the frequency and intensity of flooding.Updated 18 May 2026

Flood Risk Score

7.5/10

South Kempsey is at a high risk of flooding due to its proximity to the Macleay River and low-lying areas. Historical flood events have impacted the suburb, and climate change is expected to increase the frequency and intensity of flooding.

Key Facts

Flood Risk
South Kempsey is at a high risk of flooding due to its proximity to the Macleay River and low-lying areas. Historical flood events have impacted the suburb, and climate change is expected to increase the frequency and intensity of flooding.
Trend
increasing
Suburb
South Kempsey, NSW
Overall Risk
Medium
Postcode
2440
Highest high-risk exposure
12.7% of land (bushfire)

Flood Risk Analysis

South Kempsey, 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 frequent inundation of low-lying areas in South Kempsey.

South Kempsey is at a high risk of flooding due to its proximity to the Macleay River and low-lying areas. Historical flood events have impacted the suburb, and climate change is expected to increase the frequency and intensity of 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.

South Kempsey 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 89.4% 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 South Kempsey.

South Kempsey (postcode 2440) 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 (12.7% of land in high-risk zones), surface flood (9.9% of land in high-risk zones), riverine flood (5.2% of land in high-risk zones). Exposure is not uniform across South Kempsey 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 WaterwayMacleay River
Elevation Range5-15m
Flood Zone ClassificationYes

Historical Events

2020
Moderate

Flooding along the Macleay River impacted South Kempsey, leading to road closures and evacuations.

2013
Major

Major flooding of the Macleay River caused widespread inundation in South Kempsey, impacting homes and businesses.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Immediate

Invest in levees, drainage systems, and other flood mitigation infrastructure to protect properties from inundation.

Est. cost: High

Implement Heatwave Early Warning System

Near-term

Develop and implement a heatwave early warning system to alert residents of impending extreme heat events and provide guidance on how to stay safe.

Est. cost: Medium

Promote Bushfire Preparedness

Near-term

Educate residents on bushfire safety measures, including clearing vegetation around homes and preparing a bushfire survival plan.

Est. cost: Low

Strengthen Building Codes

Long-term

Update building codes to require new construction to be more resilient to climate-related hazards, such as flooding and extreme heat.

Est. cost: Medium

Community Education Programs

Immediate

Run workshops and distribute information on how residents can prepare for and respond to climate-related hazards.

Est. cost: Low

Council & Emergency Services

Kempsey Shire Council
Emergency Services

Data last updated: 18 May 2026

Explore South Kempsey Risk Reports

Frequently Asked Questions

Is South Kempsey at risk of flooding?

Based on available data, South Kempsey 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 South Kempsey?

Insurance costs for flood cover in South Kempsey 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 South Kempsey?

Yes, flood risk can affect property values in South Kempsey. 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 South Kempsey?

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

ClimateNest's hazard overlay maps 12.7% of South Kempsey in high-risk zones for bushfire, with a further 81% 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 South Kempsey Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for South Kempsey, 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