📮 Lucas Heights postcode: 2234

Is Lucas Heights, NSW Climate Safe? 2026 Assessment

Lucas Heights, New South Wales· Sutherland Shire· 2234
Moderate climate risk — address-specificUpdated 26 May 2026

Climate Safety Score

5.2/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
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.
Bushfire
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.
Heat
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.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2234
Highest high-risk exposure
12.5% of land (riverine flood)

Climate Safety Analysis

Lucas Heights 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 Lucas Heights's climate safety include bushfire. 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 Lucas Heights 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 Lucas Heights including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Lucas Heights (postcode 2234) 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 riverine flood (12.5% of land in high-risk zones), bushfire (7% of land in high-risk zones), surface flood (6% of land in high-risk zones). Exposure is not uniform across Lucas Heights — 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 to Royal National Park
BAL OverlayBushfire Prone Land
Nearest WaterwayWoronora River
Flood ZoneLow to moderate risk areas identified
Avg January Max29.5 °C

Historical Events

2019
Major

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

2013
Moderate

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

2011
Moderate

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

2001
Moderate

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

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

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

Est. cost: Low

Enhance Flood Mitigation

Near-term

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

Est. cost: Medium

Develop Heatwave Response Plan

Near-term

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

Est. cost: Low

Promote Water Conservation

Long-term

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

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Lucas Heights Risk Reports

Frequently Asked Questions

Is Lucas Heights safe from climate change?

No location in Australia is entirely immune to climate change impacts. Lucas Heights 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 Lucas Heights?

The dominant hazard for Lucas Heights 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 Lucas Heights 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 Lucas Heights?

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 Lucas Heights?

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 Lucas Heights.

What share of Lucas Heights is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 12.5% of Lucas Heights in high-risk zones for riverine flood, with a further 58.9% 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 Lucas Heights Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Lucas Heights, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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