Climate Risk in Lucas Heights, NSW

Lucas Heights, New South Wales· Sutherland Shire· 2234
Medium Risk
Updated May 2026

Lucas Heights faces moderate risks from flooding and heatwaves, and a high risk from bushfires. Climate change is expected to exacerbate these risks, particularly bushfire risk, in the coming decades. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
7.0
Heat
4.0
Coastal
1.0

Climate Hazard Breakdown for Lucas Heights

increasing

Flood

40/100

Lucas Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways. The risk is projected to increase slightly due to climate change.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
increasing

Bushfire

70/100

Lucas Heights has a high bushfire risk due to its proximity to extensive bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during the bushfire season. Climate change is expected to further increase the frequency and intensity of bushfires.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

40/100

Lucas Heights experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent heat stress events projected. Vulnerable populations, such as the elderly, are particularly at risk.

Key drivers:

  • ·Rising average temperatures
  • ·Increased frequency of heatwaves
stable

Coastal

10/100

Lucas Heights has a low risk from coastal hazards due to its inland location. Sea level rise and coastal erosion are not significant threats to this suburb.

Key drivers:

  • ·Distance from the 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 Lucas Heights

Detailed Hazard Analysis

heat Risk

40/100

Lucas Heights experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent heat stress events projected. Vulnerable populations, such as the elderly, are particularly at risk.

Primary Drivers

  • ·Rising average temperatures
  • ·Increased frequency of heatwaves
  • ·Climate change

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

flood Risk

40/100

Lucas Heights faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways. The risk is projected to increase slightly due to climate change.

Primary Drivers

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

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

coastal Risk

10/100

Lucas Heights has a low risk from coastal hazards due to its inland location. Sea level rise and coastal erosion are not significant threats to this suburb.

Primary Drivers

  • ·Distance from the coast

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

70/100

Lucas Heights has a high bushfire risk due to its proximity to extensive bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during the bushfire season. Climate change is expected to further increase the frequency and intensity of bushfires.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Strong winds
  • ·Climate change

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

What This Means for Property Owners

Insurance Outlook

Home insurance premiums may be higher due to bushfire risk.

Price Impact

Properties in high bushfire risk areas may experience slower price growth.

Buyer Checklist

  • 1.Check bushfire risk assessment reports
  • 2.Review flood maps and potential flood risks
  • 3.Assess property's vulnerability to heatwaves
  • 4.Ensure adequate home insurance coverage

Local Climate Evidence

Flood Evidence

Nearest Waterway
Woronora River
Elevation Range
60-120 meters
Flood Zone
Low to moderate risk areas identified

Some areas near the Woronora River are susceptible to flash flooding during heavy rainfall.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to Royal National Park
Planning Overlay
Bushfire Prone Land
Bushfire Prone Area
Yes

The suburb is surrounded by dense bushland, increasing the risk of bushfires spreading to residential areas.

Heat Evidence

Avg January Max Temp
29.5°C
Heat Stress Days/Year
3 days

Average maximum temperatures in January are increasing, leading to more frequent heat stress events.

Coastal Evidence

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

Historical Climate Events

2001
bushfireModerate

Bushfires impacted areas near Lucas Heights, requiring evacuations and property protection.

Source
2011
floodModerate

Heavy rainfall caused localized flooding in low-lying areas of Lucas Heights.

Source
2013
heatwaveModerate

A prolonged heatwave resulted in increased hospital admissions and strain on infrastructure.

Source
2019
bushfireMajor

Significant bushfires in the region caused widespread smoke and air quality issues in Lucas Heights.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood404.3(+0.3)4.5(+0.5)
bushfire707.8(+0.8)8.5(+1.5)
heat404.4(+0.4)4.7(+0.7)
coastal101.01.0

By 2030, Lucas Heights is projected to experience a moderate increase in overall climate risk, driven primarily by more frequent and intense bushfires. Flooding and heatwave risks are also expected to increase.

CSIRO Climate Projections

Adaptation Recommendations

Improve Bushfire Preparedness

Immediate

Implement bushfire protection measures, such as clearing vegetation around properties and developing a bushfire survival plan.

Est. cost: Low

Learn more

Enhance Flood Mitigation

Near-term

Invest in stormwater management infrastructure and implement flood-proofing measures for properties in flood-prone areas.

Est. cost: Medium

Learn more

Develop Heatwave Response Plan

Near-term

Establish a community heatwave response plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

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

Est. cost: Low

Learn more

About Lucas Heights's Climate Risk Profile

Lucas Heights, located in the Sutherland Shire, is a suburb with a unique blend of residential areas and proximity to significant bushland. This proximity contributes to a heightened risk of bushfires, particularly during the dry summer months. Climate change projections indicate an increase in the frequency and intensity of bushfires, posing a growing threat to the community.

Flooding is another concern for Lucas Heights, primarily due to heavy rainfall events and potential overflow from local waterways. While the risk is currently moderate, climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding. Effective stormwater management and flood mitigation measures are crucial for protecting properties and infrastructure.

Heatwaves are also becoming more frequent and intense in Lucas Heights, posing a risk to vulnerable populations such as the elderly and those with chronic health conditions. Rising average temperatures and more frequent heat stress events can lead to heatstroke and other heat-related illnesses. Residents should take precautions to stay cool and hydrated during heatwaves.

Coastal risks are minimal in Lucas Heights due to its inland location. Sea level rise and coastal erosion are not significant threats to the suburb. However, the community should still be aware of the potential impacts of climate change on the broader region and support efforts to mitigate greenhouse gas emissions.

Data sources: BOM · CSIRO · NSW RFS · NSW SES · Sutherland Shire Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Lucas Heights?

The main climate risks facing Lucas Heights are bushfires, flooding, and heatwaves. Bushfire risk is particularly high due to the suburb's proximity to bushland.

How is climate change expected to impact Lucas Heights?

Climate change is expected to increase the frequency and intensity of bushfires, flooding, and heatwaves in Lucas Heights. This could lead to more frequent evacuations, property damage, and health impacts.

What can residents do to prepare for climate change?

Residents can prepare for climate change by implementing bushfire protection measures, flood-proofing their properties, and developing a heatwave survival plan. It's also important to conserve water and reduce greenhouse gas emissions.

Where can I find more information about climate risks in Lucas Heights?

You can find more information about climate risks in Lucas Heights on the Sutherland Shire Council website, the NSW State Emergency Service website, and the Bureau of Meteorology website.

Is Lucas Heights a good place to live considering climate change?

Lucas Heights is a desirable place to live, but it's important to be aware of the climate risks and take steps to prepare for them. By implementing adaptation measures, residents can reduce their vulnerability to climate change impacts.

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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