📮 Gundagai postcode: 2722

Flood Risk in Gundagai, NSW: 2026 Assessment

Gundagai, New South Wales· Cootamundra-Gundagai Regional Council· 2722
Gundagai is located near the Murrumbidgee River and is historically prone to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.Updated 9 May 2026

Flood Risk Score

7.0/10

Gundagai is located near the Murrumbidgee River and is historically prone to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Gundagai is located near the Murrumbidgee River and is historically prone to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Gundagai, NSW
Overall Risk
Medium
Postcode
2722
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
10.2% of land (riverine flood)

Flood Risk Analysis

Gundagai, 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.

Gundagai has a history of major flooding events, including the devastating 1852 flood. The council maintains flood maps and implements mitigation strategies.

Gundagai is located near the Murrumbidgee River and is historically prone to flooding. Climate change is expected to increase the frequency and intensity of heavy rainfall events, 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.

Gundagai sits within ClimateNest's suburb-level hazard model for flood risk. 10.2% of the suburb's land area is mapped in high-risk flood zones and 64.3% 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 Gundagai.

On ClimateNest's 0–10 suburb hazard index, Gundagai scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Gundagai can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Gundagai located in Regional (postcode 2722), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Gundagai.

Across the six hazard axes ClimateNest models, the dominant climate risk in Gundagai is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% 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 Gundagai, 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 Gundagai are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayMurrumbidgee River
Elevation Range180-250m
Flood Zone ClassificationYes

Historical Events

2010
Moderate

Significant flooding occurred in Gundagai, inundating homes and businesses.

1852
Catastrophic

The Great Flood of 1852 devastated Gundagai, destroying the town and causing widespread loss of life.

Adaptation & Mitigation Actions

Upgrade Flood Defenses

Near-term

Invest in levees and drainage systems to protect properties from flooding.

Est. cost: High

Implement Bushfire Management Plans

Immediate

Develop and implement community bushfire management plans, including evacuation routes and firebreaks.

Est. cost: Medium

Establish Heatwave Early Warning System

Near-term

Create a heatwave early warning system to alert vulnerable populations and provide cooling centers.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to mitigate the impact of droughts and heatwaves.

Est. cost: Low

Community Education Programs

Near-term

Run community education programs on climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Cootamundra-Gundagai Regional Council
Emergency Services

Data last updated: 9 May 2026

Explore Gundagai Risk Reports

Frequently Asked Questions

Is Gundagai at risk of flooding?

Based on available data, Gundagai 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 Gundagai?

Insurance costs for flood cover in Gundagai 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 Gundagai?

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

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

ClimateNest's suburb model rates Gundagai's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Gundagai.

What share of Gundagai is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 10.2% of Gundagai in high-risk zones for riverine flood, with a further 64.3% 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 Gundagai Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gundagai, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections