Climate Risk Profile: Glen William, NSW

Glen William, New South Wales· 2321
Medium Risk
Updated May 2026

Glen William is a suburb in New South Wales that faces moderate climate risks, particularly from flooding and heatwaves. While bushfire risk is present, coastal risks are minimal due to its inland location. Residents should prepare for increasing temperatures and potential flood events.

Overall Risk Score

58/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.2
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Glen William

increasing

Flood

65/100

Glen William faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
stable

Bushfire

42/100

The area around Glen William has a moderate bushfire risk due to the presence of surrounding bushland. Hot, dry conditions and strong winds can increase the likelihood of bushfires.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

70/100

Glen William is likely to experience an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Glen William is not directly exposed to coastal risks such as sea level rise and coastal erosion due to its inland location.

Key drivers:

  • ·Distance from coast
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 Glen William

Detailed Hazard Analysis

heat Risk

70/100

Glen William is likely to experience an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

Glen William faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Glen William is not directly exposed to coastal risks such as sea level rise and coastal erosion due to its inland location.

Primary Drivers

  • ·Distance from coast

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

42/100

The area around Glen William has a moderate bushfire risk due to the presence of surrounding bushland. Hot, dry conditions and strong winds can increase the likelihood of bushfires.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Windy conditions

Projections (RCP8.5)

2030

4.5

2050

4.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to flood and heatwave risks.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Ensure adequate insurance coverage for flood and fire.
  • 4.Review local council's climate adaptation plans.

Local Climate Evidence

Flood Evidence

Nearest Waterway
William River
Elevation Range
20-50 meters
Flood Zone
Potentially affected by riverine flooding

Historical flood data indicates that the area has experienced several moderate to major flood events in the past.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to state forest
Planning Overlay
RFS Bush Fire Prone Land Map
Bushfire Prone Area
Yes

The area is subject to bushfire management strategies implemented by the NSW Rural Fire Service.

Heat Evidence

Avg January Max Temp
32.5°C
Heat Stress Days/Year
5 days

The number of days exceeding 35°C is projected to increase significantly by 2050.

Coastal Evidence

Distance to Coast
50 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2013
floodModerate

The William River experienced moderate flooding, impacting low-lying areas of Glen William.

Source
2019
bushfireModerate

Bushfires in the surrounding region caused smoky conditions and increased fire danger in Glen William.

Source
2020
heatwaveModerate

Glen William experienced a prolonged heatwave with temperatures exceeding 40°C for several days.

Source
2022
floodMajor

Major flooding along the William River inundated several properties and caused significant damage.

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)
bushfire424.5(+0.3)4.7(+0.5)
heat707.7(+0.7)8.5(+1.5)
coastal101.01.0

By 2030, Glen William is projected to experience a moderate increase in overall climate risk, primarily driven by increased flooding and heatwave intensity. Bushfire risk is also expected to rise slightly.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and drainage systems, to protect properties from flooding.

Est. cost: High

Learn more

Develop a Heat Action Plan

Immediate

Implement a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Medium

Learn more

Enhance Bushfire Preparedness

Near-term

Implement bushfire management strategies, such as controlled burns and vegetation clearing, to reduce the risk of bushfires.

Est. cost: Medium

Learn more

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during droughts and heatwaves.

Est. cost: Low

Learn more

About Glen William's Climate Risk Profile

Glen William, located in New South Wales, is exposed to a range of climate-related risks that are projected to intensify in the coming decades. The primary concerns for this suburb are flooding and heatwaves, with bushfire risk also being a consideration.

Flooding is a significant threat due to the suburb's proximity to waterways. Intense rainfall events can cause rivers to overflow and lead to flash flooding, impacting properties and infrastructure. Climate change is expected to exacerbate this risk by increasing the frequency and intensity of heavy rainfall.

Heatwaves are another major concern for Glen William. As temperatures rise, the suburb will likely experience more frequent and severe heatwaves, posing health risks to vulnerable populations. The urban environment can also contribute to the urban heat island effect, further amplifying temperatures.

Bushfire risk is present due to the surrounding bushland. Hot, dry conditions and strong winds can create a conducive environment for bushfires. While the risk is not as high as flooding or heatwaves, it is still important for residents to be prepared.

Coastal risks are minimal for Glen William due to its inland location. Sea level rise and coastal erosion are not direct threats to the suburb.

Data sources: BOM · CSIRO · NSW RFS · MidCoast Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Glen William?

Glen William faces primary risks from flooding and heatwaves, with a moderate risk from bushfires. Coastal risks are minimal due to its inland location.

How is climate change expected to impact Glen William in the future?

Climate change is projected to increase the frequency and intensity of heatwaves and flooding events in Glen William. Bushfire risk is also expected to rise.

What can residents do to prepare for climate change?

Residents can prepare by improving their home's resilience to flooding and heatwaves, developing a bushfire survival plan, and conserving water.

What is the local council doing to address climate change?

MidCoast Council is developing and implementing climate adaptation strategies to reduce the impacts of climate change on the community.

Where can I find more information about climate risks in Glen William?

You can find more information on the MidCoast Council website, the NSW Office of Environment and Heritage website, and the Bureau of Meteorology website.

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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