Is Bonnyrigg, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.5/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Bonnyrigg faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
- Bushfire
- Bushfire risk in Bonnyrigg is relatively low due to the urbanized nature of the suburb. However, surrounding bushland areas pose a potential threat, especially during dry and windy conditions.
- Heat
- Bonnyrigg experiences high temperatures during summer, with heatwaves becoming more frequent and intense due to climate change. This poses a significant risk to vulnerable populations.
- Storm
- Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
- Postcode
- 2177
- Region
- Greater Sydney
- Median property value
- $1.6 million
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 16.4% of land (bushfire)
Climate Safety Analysis
Bonnyrigg 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 Bonnyrigg'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 Bonnyrigg 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 Bonnyrigg including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Bonnyrigg located in Greater Sydney (postcode 2177), 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 Bonnyrigg.
Across the six hazard axes ClimateNest models, the dominant climate risk in Bonnyrigg 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 Bonnyrigg, 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 Bonnyrigg are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Localized flooding occurred due to heavy rainfall.
Prolonged heatwave conditions affected Sydney, with temperatures exceeding 40 degrees Celsius in Western Sydney.
Significant flooding occurred in the Fairfield area, impacting some properties in Bonnyrigg.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade and maintain drainage systems to reduce flood risk.
Est. cost: High
Implement Heatwave Early Warning System
ImmediateDevelop a system to alert residents of impending heatwaves and provide guidance on staying safe.
Est. cost: Low
Promote Water Conservation
Long-termEncourage residents to conserve water to reduce strain on water resources during droughts and heatwaves.
Est. cost: Low
Plant More Trees
Near-termIncrease tree canopy cover to provide shade and reduce the urban heat island effect.
Est. cost: Medium
Council & Emergency Services
Explore Bonnyrigg Risk Reports
View other climate risk assessments for Bonnyrigg:
Frequently Asked Questions
Is Bonnyrigg safe from climate change?
No location in Australia is entirely immune to climate change impacts. Bonnyrigg 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 Bonnyrigg?
The dominant hazard for Bonnyrigg 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 Bonnyrigg 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 Bonnyrigg?
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 Bonnyrigg?
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 Bonnyrigg.
What are the main climate risks in Bonnyrigg?
ClimateNest's suburb model rates Bonnyrigg'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 Bonnyrigg.
What share of Bonnyrigg is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 16.4% of Bonnyrigg in high-risk zones for bushfire, with a further 65.8% 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 Bonnyrigg Safe from Climate Risk?
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*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections