📮 Galston postcode: 2159

Is Galston, NSW Climate Safe? 2026 Assessment

Galston, New South Wales· Hornsby· 2159
Moderate climate risk — address-specificUpdated 9 Mar 2026

Climate Safety Score

5.5/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Galston faces a moderate risk of flooding due to its proximity to waterways and rainfall patterns. Properties near creeks and low-lying areas are particularly vulnerable.
Bushfire
Galston has a high bushfire risk due to its location surrounded by bushland. Hot, dry summers and strong winds exacerbate the risk.
Heat
Galston experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected.
Storm
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Postcode
2159
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
14.4% of land (bushfire)

Climate Safety Analysis

Galston 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 Galston'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 Galston 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 Galston including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Galston located in Greater Sydney (postcode 2159), 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 Galston.

Across the six hazard axes ClimateNest models, the dominant climate risk in Galston 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 Galston, 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 Galston are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Distance to BushlandSurrounded by bushland
BAL Overlayhttps://www.rfs.nsw.gov.au/plan-and-prepare/bush-fire-prone-land
Nearest WaterwayBerowra Creek
Flood ZoneAreas near Berowra Creek are prone to flooding.
Avg January Max30.5 °C

Historical Events

2020
Moderate

Bushfires impacted areas surrounding Galston, leading to evacuations and property damage.

2016
Moderate

Heavy rainfall caused flooding in low-lying areas of Galston, affecting homes and businesses.

2013
Minor

A bushfire near Galston resulted in road closures and air quality concerns.

2011
Moderate

Significant flooding occurred in the Galston area due to prolonged heavy rainfall, impacting local infrastructure.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Implement bushfire protection measures, such as clearing vegetation around homes, installing fire-resistant building materials, and developing a bushfire survival plan.

Est. cost: Low to Medium

Enhance Flood Mitigation Infrastructure

Near-term

Invest in improved drainage systems and flood barriers to reduce the impact of flooding events.

Est. cost: High

Develop a Heatwave Management Plan

Near-term

Implement strategies to protect vulnerable populations during heatwaves, such as establishing cooling centers and providing public health information.

Est. cost: Low to Medium

Promote Water Conservation

Long-term

Encourage water conservation practices to reduce water stress during periods of drought and heat.

Est. cost: Low

Council & Emergency Services

Hornsby Shire Council
Emergency Services

Data last updated: 9 March 2026

Explore Galston Risk Reports

Frequently Asked Questions

Is Galston safe from climate change?

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

The dominant hazard for Galston 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 Galston 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 Galston?

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 Galston?

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 Galston.

What are the main climate risks in Galston?

ClimateNest's suburb model rates Galston'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 Galston.

What share of Galston is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 14.4% of Galston in high-risk zones for bushfire, with a further 62.2% 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 Galston Safe from Climate Risk?

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