Flood Risk in Cordeaux, NSW: 2026 Assessment

Cordeaux, New South Wales· Wollongong
Cordeaux faces a moderate risk of flooding due to its proximity to waterways and varied topography. Intense rainfall events can lead to flash flooding.Updated 30 May 2026

Flood Risk Score

6.5/10

Cordeaux faces a moderate risk of flooding due to its proximity to waterways and varied topography. Intense rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Cordeaux faces a moderate risk of flooding due to its proximity to waterways and varied topography. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Cordeaux, NSW
Overall Risk
Medium
Postcode
2526
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
12.6% of land (surface flood)

Flood Risk Analysis

Cordeaux, 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 that properties near the river have been affected in the past.

Cordeaux faces a moderate risk of flooding due to its proximity to waterways and varied topography. Intense rainfall events can lead to flash 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.

Cordeaux sits within ClimateNest's suburb-level hazard model for flood risk. 6.7% 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 Cordeaux.

On ClimateNest's 0–10 suburb hazard index, Cordeaux scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Cordeaux can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Cordeaux located in Coastal NSW (postcode 2526), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Cordeaux.

Across the six hazard axes ClimateNest models, the dominant climate risk in Cordeaux is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Cordeaux, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Cordeaux are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCordeaux River
Elevation RangeVaries from 100m to 300m
Flood Zone ClassificationAreas near Cordeaux River are prone to flooding

Historical Events

2011
Moderate

Major flooding in the Wollongong region impacted Cordeaux, causing property damage and road closures.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage systems and implement flood barriers to protect properties from flooding.

Est. cost: Medium

Bushfire Preparedness

Immediate

Clear vegetation around properties, create firebreaks, and prepare a bushfire survival plan.

Est. cost: Low

Heatwave Management

Near-term

Establish cooling centers, provide heatwave alerts, and promote water conservation.

Est. cost: Low

Community Education

Long-term

Conduct workshops and provide information on climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Wollongong City Council
Emergency Services

Data last updated: 30 May 2026

Explore Cordeaux Risk Reports

Frequently Asked Questions

Is Cordeaux at risk of flooding?

Based on available data, Cordeaux has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Cordeaux?

Insurance costs for flood cover in Cordeaux 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 Cordeaux?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Cordeaux 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 are the main climate risks in Cordeaux?

ClimateNest's suburb model rates Cordeaux's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and severe storm (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Cordeaux.

What share of Cordeaux is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 12.6% of Cordeaux in high-risk zones for surface flood, with a further 69.9% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Cordeaux Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Cordeaux, New South Wales, covering flood, bushfire, sea level rise and more.

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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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections