📮 Thirlmere postcode: 2572

Is Thirlmere, NSW Climate Safe? 2026 Assessment

Thirlmere, New South Wales· Wollondilly· 2572
Moderate climate risk — address-specificUpdated 1 Apr 2026

Climate Safety Score

5.8/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Thirlmere has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Bushfire
Thirlmere faces a high risk of bushfires due to its location surrounded by bushland. Drier conditions and higher temperatures are expected to exacerbate bushfire risk.
Heat
Thirlmere experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2572
Highest high-risk exposure
12.6% of land (surface flood)

Climate Safety Analysis

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

Thirlmere (postcode 2572) 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 surface flood (12.6% of land in high-risk zones), riverine flood (11.7% of land in high-risk zones), bushfire (9.5% of land in high-risk zones). Exposure is not uniform across Thirlmere — 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 BushlandSurrounded by bushland
BAL OverlayRFS Bush Fire Prone Land Map
Nearest WaterwayStonequarry Creek
Flood ZoneAreas near Stonequarry Creek are prone to flooding.
Avg January Max30.5 °C

Historical Events

2019
Major

The 2019-2020 bushfires significantly impacted the region, with widespread smoke and some property damage in the Thirlmere area.

2016
Moderate

Heavy rainfall caused flooding in low-lying areas of Thirlmere, particularly near Stonequarry Creek.

2013
Moderate

A bushfire near Thirlmere caused road closures and required firefighting efforts to protect properties.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to reduce flood risk in vulnerable areas.

Est. cost: High

Bushfire Preparedness

Immediate

Implement regular bushfire hazard reduction programs and educate residents on bushfire safety.

Est. cost: Medium

Heatwave Management Plan

Near-term

Develop a heatwave management plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Water Conservation Measures

Long-term

Promote water conservation measures to reduce water stress during periods of drought.

Est. cost: Low

Council & Emergency Services

Wollondilly Shire Council
Emergency Services

Data last updated: 1 April 2026

Explore Thirlmere Risk Reports

Frequently Asked Questions

Is Thirlmere safe from climate change?

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

The dominant hazard for Thirlmere 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 Thirlmere 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 Thirlmere?

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 Thirlmere?

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 Thirlmere.

What share of Thirlmere is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 12.6% of Thirlmere in high-risk zones for surface flood, with a further 80.1% 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 Thirlmere Safe from Climate Risk?

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