Flood Risk in Thirldene, NSW: 2026 Assessment

Thirldene, New South Wales· UNKNOWN
Thirldene faces a moderate risk of flooding due to its location and rainfall patterns. Properties near waterways are particularly vulnerable.Updated 26 May 2026

Flood Risk Score

6.0/10

Thirldene faces a moderate risk of flooding due to its location and rainfall patterns. Properties near waterways are particularly vulnerable.

Key Facts

Flood Risk
Thirldene faces a moderate risk of flooding due to its location and rainfall patterns. Properties near waterways are particularly vulnerable.
Trend
increasing
Suburb
Thirldene, NSW
Overall Risk
Medium

Flood Risk Analysis

Thirldene, 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 localized flooding during heavy rainfall events.

Thirldene faces a moderate risk of flooding due to its location and rainfall patterns. Properties near waterways are particularly vulnerable.

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.

Local Hazard Evidence

Nearest WaterwayLocal creeks and drainage systems
Elevation RangeVaries across the suburb
Flood Zone ClassificationAreas near creeks are prone to flooding

Historical Events

2011
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Thirldene.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

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

Est. cost: High

Implement heatwave early warning system

Immediate

Develop a system to alert residents of impending heatwaves and provide guidance on staying safe.

Est. cost: Medium

Bushfire risk mitigation

Near-term

Undertake controlled burns and vegetation management to reduce bushfire fuel loads.

Est. cost: Medium

Community education programs

Long-term

Educate residents about climate risks and adaptation measures.

Est. cost: Low

Promote water conservation

Long-term

Encourage water-saving practices to mitigate drought impacts.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 26 May 2026

Explore Thirldene Risk Reports

Frequently Asked Questions

Is Thirldene at risk of flooding?

Based on available data, Thirldene 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 Thirldene?

Insurance costs for flood cover in Thirldene 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 Thirldene?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Thirldene 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.

Is Thirldene Safe from Climate Risk?

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