📮 Sylvania postcode: 2224

Is Sylvania, NSW Climate Safe? 2026 Assessment

Sylvania, New South Wales· Sutherland Shire· 2224
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
Sylvania faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Bushfire
Sylvania has a moderate bushfire risk due to the presence of nearby bushland. Hotter, drier conditions are expected to increase the frequency and intensity of bushfires.
Heat
Sylvania is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2224
Highest high-risk exposure
21.1% of land (bushfire)

Climate Safety Analysis

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

Sylvania (postcode 2224) 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 bushfire (21.1% of land in high-risk zones), surface flood (8.1% of land in high-risk zones), riverine flood (5.3% of land in high-risk zones). Exposure is not uniform across Sylvania — 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 BushlandLess than 1km to Royal National Park
BAL OverlaySylvania is partially covered by a bushfire prone area overlay.
Nearest WaterwayGeorges River
Flood ZoneParts of Sylvania are within a designated flood zone.
Avg January Max29 °C

Historical Events

2022
Moderate

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

2020
Moderate

Bushfires in the Royal National Park caused smoke haze and elevated fire danger in Sylvania.

2019
Moderate

Sylvania experienced a prolonged heatwave with temperatures exceeding 40 degrees Celsius.

2016
Moderate

Severe storms caused flash flooding and power outages in Sylvania.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as improved drainage systems and levees.

Est. cost: High

Bushfire Preparedness

Near-term

Implement community education programs and assist residents in preparing their homes for bushfires.

Est. cost: Medium

Heatwave Action Plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Coastal Management Strategy

Long-term

Develop a coastal management strategy to address the impacts of sea level rise and coastal erosion.

Est. cost: High

Promote Water Conservation

Near-term

Encourage water conservation measures 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 Sylvania Risk Reports

Frequently Asked Questions

Is Sylvania safe from climate change?

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

The dominant hazard for Sylvania 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 Sylvania 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 Sylvania?

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 Sylvania?

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 Sylvania.

What share of Sylvania is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 21.1% of Sylvania in high-risk zones for bushfire, with a further 62.5% 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 Sylvania Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Sylvania, 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