📮 St Georges Basin postcode: 2540

Is St Georges Basin, NSW Climate Safe? 2026 Assessment

St Georges Basin, New South Wales· Shoalhaven· 2540
Moderate climate risk — address-specificUpdated 25 May 2026

Climate Safety Score

5.2/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
St Georges Basin is susceptible to flooding due to its low-lying coastal location and proximity to the St Georges Basin waterway. Intense rainfall events can lead to inundation of low-lying areas.
Bushfire
The area surrounding St Georges Basin has bushland, increasing the risk of bushfires, especially during dry periods and high winds.
Heat
St Georges Basin experiences hot summers, and the frequency and intensity of heatwaves are projected to increase, posing health risks to vulnerable populations.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2540
Highest high-risk exposure
17.3% of land (bushfire)

Climate Safety Analysis

St Georges Basin in New South Wales has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.

Key factors affecting St Georges Basin's climate safety include heat, flood. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.

Climate safety for property in St Georges Basin is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.

For a complete property-specific climate safety report for St Georges Basin including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

St Georges Basin (postcode 2540) 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 (17.3% of land in high-risk zones), surface flood (12.6% of land in high-risk zones), riverine flood (12% of land in high-risk zones). Exposure is not uniform across St Georges Basin — 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

Distance to BushlandAdjacent
BAL Overlayhttps://www.rfs.nsw.gov.au/map
Nearest WaterwaySt Georges Basin
Flood ZoneCoastal floodplain
Avg January Max27.5 °C

Historical Events

2020
Moderate

Flooding occurred in the Shoalhaven region, impacting St Georges Basin with widespread inundation of low-lying areas.

2019
Major

The Currowan bushfire impacted the region, with smoke and ember attacks affecting St Georges Basin.

2017
Moderate

Heavy rainfall caused flash flooding in St Georges Basin, leading to road closures and property damage.

2013
Moderate

Bushfires in the region threatened properties in St Georges Basin, requiring residents to be prepared for evacuation.

2011
Moderate

Major flooding occurred in the Shoalhaven region, impacting St Georges Basin with widespread inundation of low-lying areas.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to better manage increased rainfall and reduce flood risk.

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal defenses to protect against erosion and sea level rise.

Est. cost: High

Develop a heatwave management plan

Immediate

Establish cooling centers and provide support for vulnerable residents during heatwaves.

Est. cost: Low

Bushfire preparedness programs

Near-term

Educate residents on bushfire safety and evacuation procedures, and maintain firebreaks around properties.

Est. cost: Low

Raise awareness of climate risks

Immediate

Inform residents about the risks of climate change and how to prepare for extreme weather events.

Est. cost: Low

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore St Georges Basin Risk Reports

Frequently Asked Questions

Is St Georges Basin safe from climate change?

No location in Australia is entirely immune to climate change impacts. St Georges Basin has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.

Which climate hazard poses the biggest risk in St Georges Basin?

The dominant hazard for St Georges Basin depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.

How does St Georges Basin compare to nearby suburbs for climate safety?

Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across New South Wales suburbs.

Should I be concerned about buying property in St Georges Basin?

Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.

What climate projections should I know for St Georges Basin?

Key projections for New South Wales from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for St Georges Basin.

What share of St Georges Basin is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.3% of St Georges Basin in high-risk zones for bushfire, with a further 54.7% 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 St Georges Basin Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for St Georges Basin, 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