Flood Risk in Goulburn, NSW: 2026 Assessment

Goulburn, New South Wales· UNKNOWN
Goulburn faces a moderate risk of flooding due to its proximity to the Wollondilly River and other waterways. Historical flood events indicate potential for inundation, particularly in low-lying areas.Updated 22 Mar 2026

Flood Risk Score

6.5/10

Goulburn faces a moderate risk of flooding due to its proximity to the Wollondilly River and other waterways. Historical flood events indicate potential for inundation, particularly in low-lying areas.

Key Facts

Flood Risk
Goulburn faces a moderate risk of flooding due to its proximity to the Wollondilly River and other waterways. Historical flood events indicate potential for inundation, particularly in low-lying areas.
Trend
increasing
Suburb
Goulburn, NSW
Overall Risk
Medium
Postcode
2580
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
14.2% of land (riverine flood)

Flood Risk Analysis

Goulburn, 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 areas near the river are most susceptible to inundation.

Goulburn faces a moderate risk of flooding due to its proximity to the Wollondilly River and other waterways. Historical flood events indicate potential for inundation, particularly in 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.

Goulburn sits within ClimateNest's suburb-level hazard model for flood risk. 14.2% of the suburb's land area is mapped in high-risk flood zones and 59.2% 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 Goulburn.

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

Goulburn located in Regional (postcode 2580), 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 Goulburn.

Across the six hazard axes ClimateNest models, the dominant climate risk in Goulburn 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 Goulburn, 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 Goulburn are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayWollondilly River
Elevation Range690m - 720m
Flood Zone ClassificationAreas along the Wollondilly River are designated as flood zones.

Historical Events

2022
Moderate

Heavy rainfall caused the Wollondilly River to flood, impacting low-lying areas of Goulburn.

2010
Moderate

Significant flooding occurred in Goulburn following heavy rainfall, causing damage to property and infrastructure.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees, drainage improvements, and flood-proofing of buildings.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement bushfire management strategies, including vegetation clearing, fire breaks, and community education programs.

Est. cost: Medium

Develop Heatwave Management Plan

Immediate

Create a heatwave management plan to protect vulnerable populations, including cooling centers, public awareness campaigns, and early warning systems.

Est. cost: Low

Promote Water Conservation

Long-term

Implement water conservation measures to reduce water demand and ensure water security during periods of drought.

Est. cost: Low

Upgrade Infrastructure Resilience

Long-term

Ensure that critical infrastructure, such as power grids and transportation networks, is resilient to extreme weather events.

Est. cost: High

Council & Emergency Services

Goulburn Mulwaree Council
Emergency Services

Data last updated: 22 March 2026

Explore Goulburn Risk Reports

Frequently Asked Questions

Is Goulburn at risk of flooding?

Based on available data, Goulburn 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 Goulburn?

Insurance costs for flood cover in Goulburn 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 Goulburn?

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

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

ClimateNest's suburb model rates Goulburn'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 Goulburn.

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

ClimateNest's hazard overlay maps 14.2% of Goulburn in high-risk zones for riverine flood, with a further 59.2% 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 Goulburn Safe from Climate Risk?

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