Flood Risk in Colly Blue, NSW: 2026 Assessment

Colly Blue, New South Wales· UNKNOWN
Colly Blue 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 22 May 2026

Is Colly Blue Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Flood Risk Score

Not assessed

Colly Blue 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
Colly Blue 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
Colly Blue, NSW
Overall Risk
High
Postcode
2343
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat

Flood Risk Analysis

Colly Blue, located in New South Wales, has a location-specific 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 occasional inundation of low-lying areas.

Colly Blue 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.

Colly Blue located in Regional NSW (postcode 2343), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Colly Blue.

Across the six hazard axes ClimateNest models, the dominant climate risk for Colly Blue in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Colly Blue, 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 Colly Blue are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayGoulburn River
Elevation Range250-300m
Flood Zone ClassificationLow to Moderate

Historical Events

2023
Minor

Localized flooding occurred due to intense rainfall, affecting some residential areas.

2017
Moderate

Heavy rainfall caused the Goulburn River to flood, inundating low-lying areas and disrupting transportation.

Adaptation & Mitigation Actions

Develop a Bushfire Survival Plan

Immediate

Create a detailed plan for evacuating your property in the event of a bushfire. Clear vegetation around your home and ensure you have access to water.

Est. cost: Low

Improve Home Cooling

Near-term

Install air conditioning or fans to help keep your home cool during heatwaves. Insulate your home to reduce heat gain.

Est. cost: Medium

Flood-Proof Your Property

Near-term

Raise electrical outlets and appliances above flood level. Install flood barriers to prevent water from entering your home.

Est. cost: Medium

Support Local Climate Action

Long-term

Advocate for policies that reduce greenhouse gas emissions and promote climate resilience. Participate in community initiatives to address climate change.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 22 May 2026

Explore Colly Blue Risk Reports

Frequently Asked Questions

Is Colly Blue at risk of flooding?

Based on available data, Colly Blue has a location-specific 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 Colly Blue?

Insurance costs for flood cover in Colly Blue 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 Colly Blue?

Yes, flood risk can affect property values in Colly Blue. 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 Colly Blue?

Elevation is a critical factor in flood risk. Properties at higher elevations within Colly Blue 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 Colly Blue Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections