Climate Risk in Leets Vale, New South Wales

Leets Vale, New South Wales· Hawkesbury· 2753
High Risk
Updated May 2026

Leets Vale faces significant climate risks, primarily from flooding and bushfires. Rising temperatures and changing rainfall patterns are expected to exacerbate these risks in the coming decades. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

72/100
High

Confidence: Medium

Hazard Breakdown

Flood
8.5
Bushfire
6.8
Heat
6.5
Coastal
2.0

Climate Hazard Breakdown for Leets Vale

increasing

Flood

85/100

Leets Vale is at high risk of flooding due to its proximity to the Hawkesbury River and low-lying areas. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
increasing

Bushfire

68/100

Leets Vale faces a moderate to high bushfire risk due to surrounding bushland. Hotter, drier conditions driven by climate change are projected to lengthen the bushfire season and increase fire intensity.

Key drivers:

  • ·Increased temperatures
  • ·Drier vegetation
increasing

Heat

65/100

Leets Vale is likely to experience more frequent and intense heatwaves. Higher average temperatures and prolonged periods of extreme heat can pose health risks, especially for vulnerable populations.

Key drivers:

  • ·Rising global temperatures
  • ·Urban heat island effect
stable

Coastal

20/100

Leets Vale is not directly exposed to coastal hazards. Sea level rise and coastal erosion are not significant threats to this suburb.

Key drivers:

  • ·Distance from coast
stable

Wind

40/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

55/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

30/100

Moderate social stability — mixed urban density

increasing

Energy

50/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Leets Vale

Detailed Hazard Analysis

heat Risk

65/100

Leets Vale is likely to experience more frequent and intense heatwaves. Higher average temperatures and prolonged periods of extreme heat can pose health risks, especially for vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

flood Risk

85/100

Leets Vale is at high risk of flooding due to its proximity to the Hawkesbury River and low-lying areas. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Riverine flooding

Projections (RCP8.5)

2030

8.8

2050

9.2

Data source

coastal Risk

20/100

Leets Vale is not directly exposed to coastal hazards. Sea level rise and coastal erosion are not significant threats to this suburb.

Primary Drivers

  • ·Distance from coast

Projections (RCP8.5)

2030

2.0

2050

2.0

Data source

bushfire Risk

68/100

Leets Vale faces a moderate to high bushfire risk due to surrounding bushland. Hotter, drier conditions driven by climate change are projected to lengthen the bushfire season and increase fire intensity.

Primary Drivers

  • ·Increased temperatures
  • ·Drier vegetation
  • ·Stronger winds

Projections (RCP8.5)

2030

7.2

2050

7.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to the elevated flood and bushfire risks.

Price Impact

Properties in high-risk areas may experience a decrease in value as climate risks become more apparent.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess bushfire risk and ensure property is adequately protected.
  • 3.Inquire about insurance costs and coverage.
  • 4.Consider the long-term impacts of climate change on property value.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Hawkesbury River
Elevation Range
10-30 meters
Flood Zone
Yes

Historical flood records indicate frequent inundation of low-lying areas in Leets Vale.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
https://www.rfs.nsw.gov.au/map
Bushfire Prone Area
Yes

The area is designated as bushfire prone, requiring specific building standards for new constructions.

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
None
Erosion Risk
None

Historical Climate Events

2022
floodMajor

Severe flooding of the Hawkesbury River inundated large parts of Leets Vale, causing widespread damage to homes and businesses.

Source
2020
bushfireMajor

The Black Summer bushfires caused significant smoke haze and impacted air quality in Leets Vale.

Source
2011
floodModerate

Significant flooding along the Hawkesbury River impacted Leets Vale.

Source
2013
bushfireModerate

Bushfires in the region caused property damage and evacuations in Leets Vale.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood858.8(+0.3)9.2(+0.7)
bushfire687.0(+0.2)7.3(+0.5)
heat656.6(+0.1)6.8(+0.3)
coastal202.02.0

By 2030, Leets Vale is projected to experience a moderate increase in overall climate risk, primarily driven by more frequent and intense flooding and bushfires. Heatwaves are also expected to become more common.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Immediate

Invest in flood levees and drainage systems to protect properties from inundation.

Est. cost: High

Learn more

Bushfire Preparedness

Immediate

Implement community education programs on bushfire safety and evacuation procedures.

Est. cost: Medium

Learn more

Heatwave Action Plan

Near-term

Develop a heatwave action plan to protect vulnerable residents during periods of extreme heat.

Est. cost: Low

Learn more

Upgrade Building Standards

Long-term

Incorporate climate resilience measures into building codes to ensure new constructions can withstand extreme weather events.

Est. cost: Medium

Learn more

Community Awareness Programs

Near-term

Run workshops and distribute information to help residents understand and prepare for climate risks.

Est. cost: Low

Learn more

About Leets Vale's Climate Risk Profile

Leets Vale, located in the Hawkesbury region of New South Wales, is particularly vulnerable to flooding due to its proximity to the Hawkesbury River. The low-lying topography of the area further increases the risk, making it susceptible to both riverine and flash flooding.

Bushfire risk is also a concern for Leets Vale, with surrounding bushland creating a potential source of ignition. Climate change projections indicate hotter, drier conditions, which will likely increase the frequency and intensity of bushfires in the region. Residents should maintain their properties and be prepared to evacuate if necessary.

Heatwaves are another growing threat, with average temperatures expected to rise in the coming years. Prolonged periods of extreme heat can strain infrastructure and pose health risks, especially for the elderly and those with pre-existing conditions. Access to cooling centers and adequate hydration are crucial during heatwaves.

While Leets Vale is not directly exposed to coastal hazards, the broader impacts of climate change, such as disruptions to supply chains and increased insurance costs, could still affect the community. Proactive adaptation measures are essential to mitigate these risks and build resilience.

Data sources: BOM · CSIRO · NSW RFS · Hawkesbury City Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Leets Vale?

The main climate change risks for Leets Vale are flooding, bushfires, and heatwaves. These risks are expected to increase in the coming decades due to rising temperatures and changing rainfall patterns.

How can I prepare my property for flooding?

You can prepare your property for flooding by elevating appliances, installing flood barriers, and ensuring your property is properly insured. It's also important to stay informed about flood warnings and evacuation procedures.

What should I do during a bushfire?

During a bushfire, it's important to stay informed about the fire's location and intensity. If you are advised to evacuate, do so immediately. If you are staying to defend your property, follow your bushfire survival plan.

How can I stay safe during a heatwave?

During a heatwave, stay indoors in air-conditioned environments if possible. Drink plenty of water, avoid strenuous activity, and check on vulnerable neighbors and family members.

Where can I find more information about climate change risks in Leets Vale?

You can find more information about climate change risks in Leets Vale on the Hawkesbury City Council website, the NSW Office of Environment and Heritage website, and the Bureau of Meteorology website.

Is it safe to buy property in Leets Vale given the flood risk?

Buying property in Leets Vale requires careful consideration of the flood risk. Prospective buyers should review flood maps, historical flood data, and insurance costs before making a decision. Mitigation measures can reduce the risk, but it's important to be aware of the potential for flooding.

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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