Is Dangar Island, NSW Climate Safe? 2026 Assessment

Dangar Island, New South Wales· UNKNOWN
Moderate climate risk — address-specificUpdated 10 May 2026

Climate Safety Score

5.8/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Dangar Island is susceptible to flooding due to its low-lying topography and proximity to the Hawkesbury River. Riverine flooding can inundate properties and disrupt transportation.
Bushfire
While Dangar Island is surrounded by water, bushfire risk exists due to vegetation on the island and potential for embers to travel from the mainland. Dry conditions and strong winds can exacerbate the risk.
Heat
Dangar Island experiences high temperatures during summer, with potential for heatwaves. The island's location can lead to increased humidity, exacerbating heat stress.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2083
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
12.8% of land (bushfire)

Climate Safety Analysis

Dangar Island 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 Dangar Island's climate safety include heat, flood, coastal. 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 Dangar Island 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 Dangar Island including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Dangar Island located in Greater Sydney (postcode 2083), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dangar Island.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dangar Island is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dangar Island, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Dangar Island are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Distance to BushlandAdjacent
BAL Overlayhttps://www.rfs.nsw.gov.au/
Nearest WaterwayHawkesbury River
Flood ZoneLikely
Avg January Max30.5 °C

Historical Events

2022
Major

Significant flooding event impacted Dangar Island, causing widespread damage and disruption.

2013
Moderate

Prolonged heatwave conditions impacted the health and well-being of residents on Dangar Island.

2011
Moderate

Another significant flood event affected Dangar Island, leading to evacuations and property damage.

2007
Moderate

Severe storms caused damage to property and infrastructure on Dangar Island.

1990
Moderate

Major flooding of the Hawkesbury River impacted Dangar Island, inundating homes and disrupting transport.

Adaptation & Mitigation Actions

Elevate Homes and Infrastructure

Near-term

Raise homes and critical infrastructure above projected flood levels to reduce damage from inundation.

Est. cost: High

Improve Drainage Systems

Near-term

Upgrade drainage systems to effectively manage increased rainfall and reduce the risk of flash flooding.

Est. cost: Medium

Implement Heatwave Preparedness Plans

Immediate

Develop and implement heatwave preparedness plans to protect vulnerable residents during extreme heat events.

Est. cost: Low

Protect and Restore Coastal Ecosystems

Long-term

Protect and restore coastal ecosystems, such as mangroves and saltmarshes, to provide natural protection against coastal erosion and storm surges.

Est. cost: Medium

Community Awareness Programs

Immediate

Conduct community awareness programs to educate residents about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Hornsby Shire Council
Emergency Services

Data last updated: 10 May 2026

Explore Dangar Island Risk Reports

Frequently Asked Questions

Is Dangar Island safe from climate change?

No location in Australia is entirely immune to climate change impacts. Dangar Island 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 Dangar Island?

The dominant hazard for Dangar Island 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 Dangar Island 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 Dangar Island?

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 Dangar Island?

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 Dangar Island.

What are the main climate risks in Dangar Island?

ClimateNest's suburb model rates Dangar Island's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dangar Island.

What share of Dangar Island is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.8% of Dangar Island in high-risk zones for bushfire, with a further 64.2% 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 Dangar Island Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dangar Island, 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