๐Ÿ“ฎ Kembla Grange postcode: 2526

Flood Risk in Kembla Grange, NSW: 2026 Assessment

Kembla Grange, New South Walesยท City of Wollongongยท 2526
Kembla Grange 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 30 May 2026

Flood Risk Score

6.5/10

Kembla Grange 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
Kembla Grange 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
Kembla Grange, NSW
Overall Risk
Medium
Postcode
2526
Highest high-risk exposure
11.6% of land (riverine flood)

Flood Risk Analysis

Kembla Grange, 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 areas of Kembla Grange are prone to flash flooding during heavy rainfall events.

Kembla Grange 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.

Kembla Grange sits within ClimateNest's suburb-level hazard model for flood risk. 11.6% of the suburb's land area is mapped in high-risk flood zones and 66% 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 Kembla Grange.

Kembla Grange (postcode 2526) 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 riverine flood (11.6% of land in high-risk zones), surface flood (7.9% of land in high-risk zones), bushfire (6.7% of land in high-risk zones). Exposure is not uniform across Kembla Grange 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 WaterwayMullet Creek
Elevation Range10-30 meters
Flood Zone ClassificationPartially within flood zone

Historical Events

2017
Moderate

Heavy rainfall caused flash flooding in Kembla Grange and surrounding areas.

2011
Moderate

Major flooding in the Illawarra region caused significant damage to property and infrastructure.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Medium

Bushfire Preparedness

Near-term

Prepare your property for bushfires by clearing vegetation and creating a bushfire survival plan.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce the impact of droughts and water shortages.

Est. cost: Low

Council & Emergency Services

City of Wollongong
Emergency Services

Data last updated: 30 May 2026

Explore Kembla Grange Risk Reports

Frequently Asked Questions

Is Kembla Grange at risk of flooding?

Based on available data, Kembla Grange 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 Kembla Grange?

Insurance costs for flood cover in Kembla Grange 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 Kembla Grange?

Yes, flood risk can affect property values in Kembla Grange. 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 Kembla Grange?

Elevation is a critical factor in flood risk. Properties at higher elevations within Kembla Grange 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 Kembla Grange is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 11.6% of Kembla Grange in high-risk zones for riverine flood, with a further 66% 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 Kembla Grange Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Kembla Grange, 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