Flood Risk in Rossglen, NSW: 2026 Assessment

Rossglen, New South Wales· UNKNOWN
Flooding can occur from heavy rainfall events, impacting properties near waterways and low-lying areas.Updated 10 May 2026

Flood Risk Score

6.0/10

Flooding can occur from heavy rainfall events, impacting properties near waterways and low-lying areas.

Key Facts

Flood Risk
Flooding can occur from heavy rainfall events, impacting properties near waterways and low-lying areas.
Trend
increasing
Suburb
Rossglen, NSW
Overall Risk
Medium
Postcode
2439
Highest high-risk exposure
18.3% of land (bushfire)

Flood Risk Analysis

Rossglen, 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.

Check local council flood maps for specific property risks.

Flooding can occur from heavy rainfall events, impacting properties near waterways and low-lying areas.

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.

Rossglen sits within ClimateNest's suburb-level hazard model for flood risk. 6.2% of the suburb's land area is mapped in high-risk flood zones and 72.9% 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 Rossglen.

Rossglen (postcode 2439) 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 (18.3% of land in high-risk zones), surface flood (11.6% of land in high-risk zones), riverine flood (6.2% of land in high-risk zones). Exposure is not uniform across Rossglen — 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 WaterwayLocal creeks and drainage systems
Elevation RangeVaries across the suburb
Flood Zone ClassificationPotentially affected areas near waterways

Historical Events

2011
Moderate

Major flooding event impacted the region, causing property damage and disruptions.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood-proofing measures for properties in high-risk areas.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Implement bushfire management plans, clear vegetation around properties, and ensure access to water for firefighting.

Est. cost: Low

Develop Heatwave Response Plan

Immediate

Establish cooling centers, provide public education on heat safety, and ensure vulnerable populations have access to support during heatwaves.

Est. cost: Medium

Promote Water Conservation

Long-term

Implement water restrictions, encourage water-efficient landscaping, and invest in water recycling infrastructure to mitigate drought risks.

Est. cost: High

Council & Emergency Services

Example Council
Emergency Services

Data last updated: 10 May 2026

Explore Rossglen Risk Reports

Frequently Asked Questions

Is Rossglen at risk of flooding?

Based on available data, Rossglen 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 Rossglen?

Insurance costs for flood cover in Rossglen 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 Rossglen?

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

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

ClimateNest's hazard overlay maps 18.3% of Rossglen in high-risk zones for bushfire, with a further 69.4% 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 Rossglen Safe from Climate Risk?

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