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Climate Risk Profile: Oallen, NSW

Oallen, New South Wales· Queanbeyan-Palerang Regional· 2622
Medium Risk
Updated May 2026

Oallen faces moderate risks from flooding and bushfires, which are projected to increase with climate change. Heatwaves are also a growing concern. Coastal risks are negligible.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.8
Heat
4.2
Coastal
1.0

Climate Hazard Breakdown for Oallen

increasing

Flood

65/100

Oallen faces a moderate risk of flooding due to its proximity to the Shoalhaven River and surrounding creeks. Increased rainfall intensity could exacerbate flood events.

Key drivers:

  • ·Increased rainfall intensity
  • ·Riverine flooding
increasing

Bushfire

48/100

The area around Oallen has a moderate bushfire risk due to the presence of surrounding bushland. Drier conditions and higher temperatures could increase the frequency and intensity of bushfires.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

42/100

Oallen is likely to experience more frequent and intense heatwaves. This could pose a risk to vulnerable populations and increase energy demand.

Key drivers:

  • ·Increased temperatures
  • ·Heatwave frequency
stable

Coastal

10/100

Oallen is not directly exposed to coastal risks.

Key drivers:

  • ·N/A
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Oallen

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

42/100

Oallen is likely to experience more frequent and intense heatwaves. This could pose a risk to vulnerable populations and increase energy demand.

Primary Drivers

  • ·Increased temperatures
  • ·Heatwave frequency
  • ·Urban heat island effect (minimal)

Projections (RCP8.5)

2030

4.7

2050

5.2

Data source

flood Risk

65/100

Oallen faces a moderate risk of flooding due to its proximity to the Shoalhaven River and surrounding creeks. Increased rainfall intensity could exacerbate flood events.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Riverine flooding
  • ·Inadequate drainage

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Oallen is not directly exposed to coastal risks.

Primary Drivers

  • ·N/A

Projections (N/A)

2030

1.0

2050

1.0

Data source

bushfire Risk

48/100

The area around Oallen has a moderate bushfire risk due to the presence of surrounding bushland. Drier conditions and higher temperatures could increase the frequency and intensity of bushfires.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Fuel load

Projections (RCP8.5)

2030

5.3

2050

5.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the increased risk of flooding and bushfires.

Price Impact

Property values may be negatively impacted by the perceived increase in climate-related risks.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess bushfire risk and implement mitigation measures.
  • 3.Consider the potential impact of heatwaves on property value.
  • 4.Review insurance options and premiums.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Shoalhaven River
Elevation Range
400-500m
Flood Zone
Yes

Historical flood data indicates that Oallen has experienced several significant flood events in the past. The Shoalhaven River is the primary source of flooding.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
https://www.rfs.nsw.gov.au/plan-and-prepare/bush-fire-prone-land
Bushfire Prone Area
Yes

The area surrounding Oallen is designated as bushfire-prone land. Residents should maintain their properties to reduce fuel loads.

Heat Evidence

Avg January Max Temp
28.5°C
Heat Stress Days/Year
2 days

The average maximum temperature in January is 28.5°C. Heat stress events are becoming more frequent.

Coastal Evidence

Distance to Coast
120 km
Sea Level Rise Exposure
None
Erosion Risk
None

Historical Climate Events

2010
floodModerate

The Shoalhaven River experienced moderate flooding, impacting low-lying areas in Oallen.

Source
2013
bushfireMinor

A minor bushfire occurred near Oallen, requiring intervention from the NSW Rural Fire Service.

Source
2019
bushfireMajor

The 2019-2020 bushfires significantly impacted the region around Oallen, with widespread smoke and some property damage.

Source
2020
floodModerate

Heavy rainfall caused moderate flooding in Oallen, affecting local roads and properties.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire485.2(+0.4)5.7(+0.9)
heat424.4(+0.2)4.7(+0.5)
coastal101.01.0

By 2030, Oallen is projected to experience a slight increase in overall climate risk, primarily driven by increased flooding and bushfire risks. Heatwaves are also expected to become more frequent and intense.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Learn more

Bushfire Fuel Management

Immediate

Implement regular fuel reduction programs in bushland areas to reduce the risk of bushfires.

Est. cost: Low

Learn more

Heatwave Preparedness Plan

Near-term

Develop a heatwave preparedness plan to protect vulnerable populations during heatwaves.

Est. cost: Low

Learn more

Community Education Programs

Long-term

Conduct community education programs to raise awareness of climate risks and adaptation measures.

Est. cost: Low

Learn more

About Oallen's Climate Risk Profile

Oallen, located in New South Wales, is susceptible to several climate-related risks. The primary concerns are flooding due to its proximity to the Shoalhaven River and bushfires due to the surrounding bushland. Climate change is expected to exacerbate these risks, with increased rainfall intensity leading to more frequent and severe flooding events, and drier conditions increasing the likelihood of bushfires.

Heatwaves are also a growing concern for Oallen. As temperatures rise, the frequency and intensity of heatwaves are projected to increase, posing a risk to vulnerable populations and increasing energy demand for cooling. While Oallen is not directly exposed to coastal risks, the broader region may experience indirect impacts from coastal erosion and sea-level rise.

To mitigate these risks, it is essential to implement adaptation measures such as improving drainage infrastructure, managing fuel loads in bushland areas, and developing heatwave response plans. Residents should also be aware of the risks and take steps to protect their properties and health.

Long-term planning should consider the potential impacts of climate change on Oallen and incorporate climate resilience into infrastructure development and land-use planning. This will help to ensure that Oallen remains a safe and sustainable community in the face of a changing climate.

Data sources: BOM · CSIRO · NSW SES · NSW RFS · Queanbeyan-Palerang Regional Council

Local Government Resources

Queanbeyan-Palerang Regional Council

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate risks facing Oallen?

The main climate risks facing Oallen are flooding, bushfires, and heatwaves. These risks are projected to increase with climate change.

How will climate change affect property values in Oallen?

Property values in Oallen may be negatively impacted by the perceived increase in climate-related risks, particularly flooding and bushfires.

What can I do to protect my property from flooding?

You can protect your property from flooding by improving drainage around your home, raising the foundation, and purchasing flood insurance.

How can I prepare for a bushfire?

You can prepare for a bushfire by clearing vegetation around your home, having a bushfire survival plan, and assembling a bushfire emergency kit.

What should I do during a heatwave?

During a heatwave, stay indoors in air-conditioned buildings, drink plenty of water, and avoid strenuous activity.

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