Heat Risk in Ashbury, NSW: 2026 Assessment
Heat Risk Score
6.0/10Ashbury experiences a moderate risk of heatwaves, particularly during the summer months. Urban heat island effect can exacerbate temperatures.
Key Facts
- Heat Risk
- Ashbury experiences a moderate risk of heatwaves, particularly during the summer months. Urban heat island effect can exacerbate temperatures.
- Trend
- increasing
- Suburb
- Ashbury, NSW
- Overall Risk
- Medium
- Postcode
- 2193
- Region
- Greater Sydney
- Median property value
- $1.6 million
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 12.2% of land (bushfire)
Heat Risk Analysis
Ashbury in New South Wales faces elevated extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Ashbury warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
Urban heat island effect can increase temperatures.
Get an address-level heat risk assessment from ClimateNest for Ashbury including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Climate projections show heat risk in Ashbury is tied to the broader Greater Sydney climate. The suburb scores 5 on the 0–10 heat index, with the number of days above 35°C expected to grow through 2050 — a factor that affects cooling costs, garden viability and property desirability.
Ashbury located in Greater Sydney (postcode 2193), 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 Ashbury.
Across the six hazard axes ClimateNest models, the dominant climate risk in Ashbury 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 Ashbury, 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 Ashbury are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
A prolonged heatwave in January led to increased demand for cooling and placed stress on vulnerable residents.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater infrastructure to handle increased rainfall intensity and 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
Increase tree canopy cover
Long-termPlant more trees to reduce the urban heat island effect and provide shade.
Est. cost: Medium
Promote water conservation
Near-termEncourage residents to conserve water to reduce strain on water resources during droughts.
Est. cost: Low
Council & Emergency Services
Explore Ashbury Risk Reports
View other climate risk assessments for Ashbury:
Frequently Asked Questions
How hot does Ashbury get in summer?
Ashbury in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Ashbury. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Ashbury?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for New South Wales. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Ashbury properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Ashbury and the performance of your building envelope.
What heat mitigation measures work best in Ashbury?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
What are the main climate risks in Ashbury?
ClimateNest's suburb model rates Ashbury'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 Ashbury.
What share of Ashbury is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 12.2% of Ashbury in high-risk zones for bushfire, with a further 65% 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 Ashbury Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Ashbury, New South Wales, covering flood, bushfire, sea level rise and more.
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections