Climate Risk Profile: Castlereagh, NSW
Castlereagh faces increasing risks from flooding, bushfires, and heatwaves due to climate change. The suburb's proximity to the Nepean River and surrounding bushland contributes to these vulnerabilities. Residents should prepare for more frequent and intense extreme weather events.
Is Castlereagh Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Castlereagh, New South Wales, covering flood, bushfire, sea level rise and more.
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Overall Risk Score
Hazard Breakdown
Flood, bushfire, heat, coastal and storm exposure are all assessed in this area. The score that matters is the property's own: a ClimateNest report scores the address across eight hazards, with insurance and value projections to 2050.
Climate Hazard Breakdown for Castlereagh
Flood
Castlereagh is located near the Nepean River and is susceptible to flooding. The risk is expected to increase due to more intense rainfall events.
Key drivers:
- ·Increased rainfall intensity
- ·Riverine flooding
Bushfire
The area surrounding Castlereagh has bushland, increasing the risk of bushfires, especially during dry periods. Climate change is projected to worsen bushfire conditions.
Key drivers:
- ·Increased temperatures
- ·Drier conditions
Heat
Castlereagh experiences hot summers, and the number of extreme heat days is expected to rise. This poses a risk to vulnerable populations.
Key drivers:
- ·Rising average temperatures
- ·Increased frequency of heatwaves
Coastal
Castlereagh is not directly exposed to coastal risks, but changes in weather patterns could indirectly affect the region.
Key drivers:
- ·Sea-level rise (indirect)
- ·Changes in storm patterns (indirect)
Wind
Data being compiled
Storm
Data being compiled
Social
Data being compiled
Energy
Data being compiled
In-Depth Climate Risk Guides for Castlereagh
Property buying guide with climate risk assessment
Flood zone mapping, historical events, and projections
BAL assessment, vegetation proximity, and fire history
Multi-hazard safety assessment to 2050
Severe weather, hail, and wind risk analysis
Extreme heat days, urban heat island, and cooling costs
Premium estimates and insurance availability
Climate-adjusted property investment analysis
Detailed Hazard Analysis
heat Risk
Castlereagh experiences hot summers, and the number of extreme heat days is expected to rise. This poses a risk to vulnerable populations.
Primary Drivers
- ·Rising average temperatures
- ·Increased frequency of heatwaves
- ·Urban heat island effect
flood Risk
Castlereagh is located near the Nepean River and is susceptible to flooding. The risk is expected to increase due to more intense rainfall events.
Primary Drivers
- ·Increased rainfall intensity
- ·Riverine flooding
- ·Urban development
coastal Risk
Castlereagh is not directly exposed to coastal risks, but changes in weather patterns could indirectly affect the region.
Primary Drivers
- ·Sea-level rise (indirect)
- ·Changes in storm patterns (indirect)
bushfire Risk
The area surrounding Castlereagh has bushland, increasing the risk of bushfires, especially during dry periods. Climate change is projected to worsen bushfire conditions.
Primary Drivers
- ·Increased temperatures
- ·Drier conditions
- ·Fuel load
What This Means for Property Owners
Insurance Outlook
Insurance premiums are likely to increase due to the increasing risk of flooding and bushfires.
Price Impact
Properties in flood-prone areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and bushfire prone area designations.
- 2.Obtain a building inspection report.
- 3.Assess the property's vulnerability to heatwaves.
- 4.Review insurance options and costs.
How the region's climate is projected to change
Regional projections, not a forecast for this street. Figures are from the WA Department of Water and Environmental Regulation's climate projections for the South Western Flatlands region, which draws on CSIRO and Bureau of Meteorology modelling.
Temperature
+0.5 to 1.1°C by 2030
Above the 1986–2005 climate, on all emissions scenarios. By 2090, 1.2 to 2.0°C under intermediate emissions or 2.6 to 4.0°C under high emissions.
Rainfall
Winter rain down up to 15% by 2030
The South West has been drying since 1970, and the decline has been larger than anywhere else in Australia. Heavy rainfall events are projected to become more intense even as totals fall.
Fire weather
Harsher, magnitude uncertain
High confidence that fire weather becomes harsher, low confidence in the size of the change, because it depends heavily on summer rainfall.
Sea level
+0.12 m by 2030
At the Fremantle gauge, range 0.07 to 0.16 m. Very high confidence that sea levels continue to rise through the century.
Source: Department of Water and Environmental Regulation (WA), Western Australian climate projections: summary, September 2021, South Western Flatlands chapter. Read the projections →
Adaptation Recommendations
Improve Flood Defenses
Near-termConstruct levees and improve drainage systems to reduce the risk of flooding from the Nepean River.
Est. cost: High
Learn moreBushfire Preparedness
ImmediateImplement community education programs and conduct regular hazard reduction burns to reduce bushfire risk.
Est. cost: Medium
Learn moreHeatwave Action Plan
ImmediateDevelop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Learn moreUpgrade Building Codes
Long-termIncorporate climate resilience measures into building codes to ensure new buildings are better able to withstand extreme weather events.
Est. cost: Medium
Learn moreCommunity Awareness Programs
Near-termRun community awareness programs on climate change risks and adaptation strategies.
Est. cost: Low
Learn moreAbout Castlereagh's Climate Risk Profile
Castlereagh, located in New South Wales, is increasingly vulnerable to the impacts of climate change. The primary concerns for this suburb are flooding from the Nepean River, bushfire risk due to surrounding bushland, and the increasing frequency and intensity of heatwaves.
The risk of flooding is significant due to the suburb's location near the Nepean River. Climate change projections indicate more intense rainfall events, which will likely exacerbate the risk of riverine flooding. Residents should stay informed about flood warnings and have evacuation plans in place.
Bushfire risk is also a major concern, particularly during the dry summer months. The surrounding bushland provides ample fuel for fires, and climate change is expected to worsen bushfire conditions. Property owners should maintain their properties to reduce fuel loads and be prepared to evacuate if necessary.
Heatwaves are becoming more frequent and intense, posing a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions. Residents should take precautions to stay cool during heatwaves, such as staying indoors, drinking plenty of water, and using air conditioning.
While Castlereagh is not directly exposed to coastal risks, changes in weather patterns could indirectly affect the region. It is important for residents to stay informed about climate change projections and take steps to adapt to the changing climate.
Suburb pages describe the local picture. The address-level assessment, with its data sources and its dollar projections, is in the ClimateNest report.
Local Government Resources
Penrith City Council
Frequently Asked Questions
What are the main climate change risks for Castlereagh?
The main climate change risks for Castlereagh are flooding from the Nepean River, bushfire risk due to surrounding bushland, and the increasing frequency and intensity of heatwaves.
How can I prepare my property for flooding?
You can prepare your property for flooding by elevating appliances, storing valuables above flood level, and having an evacuation plan in place.
What should I do during a heatwave?
During a heatwave, you should stay indoors, drink plenty of water, and use air conditioning or fans to stay cool. Check on vulnerable neighbors and family members.
How can I reduce my property's bushfire risk?
You can reduce your property's bushfire risk by clearing vegetation around your home, maintaining your gutters, and having a bushfire survival plan.
Where can I find more information about climate change in Castlereagh?
You can find more information about climate change in Castlereagh on the Penrith City Council website, the NSW Office of Environment and Heritage website, and the CSIRO website.
Is Castlereagh a good place to invest in property considering climate change?
While Castlereagh faces climate risks, proactive adaptation measures and community resilience efforts can mitigate some of the impacts. Consider the specific location of the property and its vulnerability to flooding and bushfires before investing.
Get your property's risk report
This suburb assessment covers the area. For a precise address-level climate risk report for any specific property in Castlereagh, use our analysis tool.
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What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections