Climate Risk in Crestwood, NSW

Crestwood, New South Wales· Blacktown· 2762
Medium Risk
Updated May 2026

Crestwood is a suburb in New South Wales that faces moderate climate risks, particularly from flooding and heatwaves. While the bushfire risk is relatively low, it's important to stay informed and prepared for potential hazards. Residents should take steps to mitigate these risks and adapt to the changing climate.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
4.0
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Crestwood

increasing

Flood

60/100

Crestwood faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways. The risk is expected to increase with climate change.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
stable

Bushfire

40/100

The bushfire risk in Crestwood is relatively low due to the suburb's location and urban development. However, areas bordering bushland may face a higher risk.

Key drivers:

  • ·Proximity to bushland
  • ·Dry vegetation
increasing

Heat

70/100

Crestwood experiences a high heat risk, with increasing average temperatures and more frequent heatwave events expected in the future. This poses a threat to vulnerable populations.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Crestwood is located inland and does not face any direct coastal risks such as sea level rise or coastal erosion.

Key drivers:

  • ·Distance from the coast
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Crestwood

Detailed Hazard Analysis

heat Risk

70/100

Crestwood experiences a high heat risk, with increasing average temperatures and more frequent heatwave events expected in the future. This poses a threat to vulnerable populations.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect
  • ·Lack of green spaces

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

60/100

Crestwood faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from local waterways. The risk is expected to increase with climate change.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Inadequate drainage infrastructure

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

coastal Risk

10/100

Crestwood is located inland and does not face any direct coastal risks such as sea level rise or coastal erosion.

Primary Drivers

  • ·Distance from the coast

Projections (RCP2.6)

2030

1.0

2050

1.0

Data source

bushfire Risk

40/100

The bushfire risk in Crestwood is relatively low due to the suburb's location and urban development. However, areas bordering bushland may face a higher risk.

Primary Drivers

  • ·Proximity to bushland
  • ·Dry vegetation
  • ·Wind patterns

Projections (RCP4.5)

2030

4.2

2050

4.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to increased flood and heatwave risks.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Ensure adequate insurance coverage.
  • 4.Consider the potential impact of climate change on property value.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Eastern Creek
Elevation Range
50-70m
Flood Zone
Areas near Eastern Creek are susceptible to flooding.

Historical flood data indicates that parts of Crestwood have experienced flooding in the past. Blacktown City Council maintains flood maps and provides information on flood preparedness.

View council flood map

Bushfire Evidence

Distance to Bushland
Some properties border bushland reserves.
Planning Overlay
Check NSW RFS website for current bushfire prone areas.
Bushfire Prone Area
Yes

Residents should check the NSW Rural Fire Service website to determine if their property is located in a bushfire prone area and take appropriate precautions.

Heat Evidence

Avg January Max Temp
31.5°C
Heat Stress Days/Year
5 days

The average maximum temperature in January is 31.5°C, and the suburb experiences approximately 5 heat stress events per year. These events are expected to become more frequent and intense in the future.

Coastal Evidence

Distance to Coast
35 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2011
floodModerate

Significant flooding occurred in the Blacktown area, including parts of Crestwood, due to heavy rainfall.

Source
2013
heatwaveModerate

A prolonged heatwave affected the Sydney region, including Crestwood, with temperatures exceeding 40°C for several days.

Source
2020
stormModerate

Severe thunderstorms caused flash flooding and property damage in parts of Blacktown, including Crestwood.

Source
2019
heatwaveModerate

Record breaking temperatures across NSW. Many people were affected by heatstroke and dehydration.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

HazardToday20302050
flood606.5(+0.5)7.0(+1.0)
bushfire404.1(+0.1)4.3(+0.3)
heat707.7(+0.7)8.5(+1.5)
coastal101.01.0

By 2030, under a moderate emissions scenario (RCP4.5), Crestwood is projected to experience a slight increase in overall climate risk. The most significant increase is expected in heat risk, with more frequent and intense heatwaves. Flood risk is also projected to increase, while bushfire risk remains relatively stable. Coastal risks remain negligible.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade and maintain drainage infrastructure to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Implement Heatwave Management Plan

Immediate

Develop and implement a heatwave management plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Learn more

Increase Green Spaces

Long-term

Increase the amount of green space in the suburb to reduce the urban heat island effect and provide shade and cooling.

Est. cost: High

Learn more

Community Awareness Programs

Near-term

Run community awareness programs to educate residents about climate risks and how to prepare for extreme weather events.

Est. cost: Low

Learn more

Bushfire Preparedness

Near-term

Ensure residents are aware of bushfire risks and have a bushfire survival plan in place.

Est. cost: Low

Learn more

About Crestwood's Climate Risk Profile

Crestwood, located in the Blacktown area of New South Wales, is subject to several climate-related risks that are expected to intensify in the coming decades. The primary concerns for Crestwood are flooding and heatwaves, with bushfire risk being a secondary consideration.

Flooding is a significant concern due to the suburb's proximity to waterways and the potential for heavy rainfall events. Climate change is projected to increase the intensity and frequency of these events, placing greater strain on existing drainage infrastructure. Residents should be aware of flood risks and take appropriate precautions.

Heatwaves are another major threat, with average temperatures expected to rise and heatwave events becoming more common. The urban heat island effect can exacerbate these conditions, making it even hotter in built-up areas. Vulnerable populations, such as the elderly and those with chronic health conditions, are particularly at risk.

While the bushfire risk is lower compared to some other areas of NSW, it's still important to be aware of the potential for bushfires, especially in areas bordering bushland. Residents should maintain their properties and be prepared to evacuate if necessary.

Overall, Crestwood faces a range of climate challenges that require proactive adaptation and mitigation strategies. By taking steps to reduce their vulnerability and prepare for future climate impacts, residents can help ensure a more resilient and sustainable community.

Data sources: BOM · CSIRO · NSW SES · NSW RFS · Blacktown City Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks in Crestwood?

The main climate risks in Crestwood are flooding and heatwaves. The suburb is also at some risk of bushfires.

How is climate change expected to affect Crestwood?

Climate change is expected to increase the frequency and intensity of heatwaves and flooding in Crestwood. Bushfire risk may also increase.

What can I do to prepare for flooding in Crestwood?

You can prepare for flooding by checking flood maps, having an evacuation plan, and ensuring your property is adequately insured.

How can I stay safe during a heatwave in Crestwood?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activity. Check on vulnerable neighbors and family members.

Is my property in Crestwood at risk of bushfire?

Check the NSW Rural Fire Service website to determine if your property is located in a bushfire prone area. If it is, take steps to reduce your risk, such as maintaining your property and having a bushfire survival plan.

Where can I find more information about climate change in Crestwood?

You can find more information about climate change in Crestwood on the Blacktown City Council website, the NSW Department of Planning and Environment website, and the CSIRO website.

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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