Is Bonny Hills, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.2/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Bonny Hills 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
- Bonny Hills has a moderate bushfire risk due to surrounding bushland. Hotter, drier conditions are projected to increase the frequency and intensity of bushfires.
- Heat
- Bonny Hills 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
- 2445
- Region
- Coastal NSW
- Median property value
- $925,000
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 14.8% of land (surface flood)
Climate Safety Analysis
Bonny Hills 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 Bonny Hills'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 Bonny Hills 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 Bonny Hills including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Bonny Hills located in Coastal NSW (postcode 2445), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Bonny Hills.
Across the six hazard axes ClimateNest models, the dominant climate risk in Bonny Hills is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Bonny Hills, 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 Bonny Hills are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Heavy rainfall caused localized flooding in low-lying areas of Bonny Hills.
The 2019-2020 bushfires impacted the region, with smoke and ember attacks affecting Bonny Hills.
A severe storm caused damage to property and infrastructure in Bonny Hills.
Major flooding occurred in the Hastings River catchment, impacting low-lying areas of Bonny Hills.
Adaptation & Mitigation Actions
Improve drainage infrastructure
Near-termUpgrade drainage systems to better manage increased rainfall and reduce flood risk.
Est. cost: Medium
Implement bushfire management strategies
Near-termConduct hazard reduction burns and maintain fire breaks to reduce bushfire risk.
Est. cost: Medium
Develop a heatwave response plan
ImmediateEstablish cooling centers and provide support to vulnerable populations during heatwaves.
Est. cost: Low
Protect coastal areas from erosion
Long-termImplement coastal protection measures, such as seawalls and beach nourishment, to reduce erosion.
Est. cost: High
Raise awareness about climate risks
ImmediateEducate residents about the risks of climate change and how to prepare for them.
Est. cost: Low
Council & Emergency Services
Explore Bonny Hills Risk Reports
View other climate risk assessments for Bonny Hills:
Frequently Asked Questions
Is Bonny Hills safe from climate change?
No location in Australia is entirely immune to climate change impacts. Bonny Hills 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 Bonny Hills?
The dominant hazard for Bonny Hills 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 Bonny Hills 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 Bonny Hills?
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 Bonny Hills?
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 Bonny Hills.
What are the main climate risks in Bonny Hills?
ClimateNest's suburb model rates Bonny Hills's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and severe storm (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Bonny Hills.
What share of Bonny Hills is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 14.8% of Bonny Hills in high-risk zones for surface flood, with a further 68.9% 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 Bonny Hills Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Bonny Hills, New South Wales, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections