๐Ÿ“ฎ Castlecrag postcode: 2068

Bushfire Risk in Castlecrag, NSW: 2026 Assessment

Castlecrag, New South Walesยท Willoughbyยท 2068
Castlecrag has a moderate bushfire risk due to its proximity to bushland areas. Dry vegetation and strong winds can increase the likelihood of bushfires during the fire season.Updated 29 May 2026

Bushfire Risk Score

4.2/10

Castlecrag has a moderate bushfire risk due to its proximity to bushland areas. Dry vegetation and strong winds can increase the likelihood of bushfires during the fire season.

Key Facts

Bushfire Risk
Castlecrag has a moderate bushfire risk due to its proximity to bushland areas. Dry vegetation and strong winds can increase the likelihood of bushfires during the fire season.
Trend
stable
Suburb
Castlecrag, NSW
Overall Risk
Medium
Postcode
2068
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
13.2% of land (bushfire)

Bushfire Risk Analysis

Castlecrag, New South Wales, has a castlecrag has a moderate bushfire risk due to its proximity to bushland areas. dry vegetation and strong winds can increase the likelihood of bushfires during the fire season. bushfire risk profile. Key factors include distance to classified bushland, vegetation type, slope, and historical bushfire activity in the region. The New South Wales fire authority maps bushfire-prone areas and assigns BAL (Bushfire Attack Level) ratings.

Properties adjacent to Garigal National Park are at higher risk. Residents should maintain firebreaks and have a bushfire survival plan.

CSIRO research indicates climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. For Castlecrag, this may mean shifts in bushfire risk levels over the coming decades, making property-level BAL assessment increasingly important.

Use ClimateNest for a complete address-level bushfire risk report for Castlecrag including BAL zone assessment, evacuation route mapping, and property-specific risk mitigation recommendations.

Castlecrag sits within ClimateNest's suburb-level hazard model for bushfire risk. 13.2% of the suburb's land area is mapped in high-risk bushfire zones and 79.5% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Castlecrag.

On ClimateNest's 0โ€“10 suburb hazard index, Castlecrag scores 2 for bushfire risk โ€” a lower exposure relative to the Australian suburb range. For comparison, properties in Castlecrag can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Castlecrag located in Greater Sydney (postcode 2068), 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 Castlecrag.

Across the six hazard axes ClimateNest models, the dominant climate risk in Castlecrag 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 โ€” the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Castlecrag, 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 Castlecrag are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Distance to BushlandAdjacent to Garigal National Park
BAL Overlay / ZoneBushfire Prone Land
Bushfire Prone AreaYes

Historical Events

1994
Moderate

A bushfire in Garigal National Park threatened properties in Castlecrag, requiring fire crews to protect homes.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Create firebreaks around properties

Immediate

Maintain firebreaks and clear vegetation around homes to reduce the risk of bushfire damage.

Est. cost: Low

Install energy-efficient appliances

Long-term

Reduce energy consumption and greenhouse gas emissions by installing energy-efficient appliances and solar panels.

Est. cost: Medium

Protect coastal areas

Near-term

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and erosion.

Est. cost: High

Council & Emergency Services

Willoughby City Council
Emergency Services

Data last updated: 29 May 2026

Explore Castlecrag Risk Reports

Frequently Asked Questions

Is Castlecrag in a bushfire prone area?

Parts of Castlecrag may be designated as bushfire prone land. Based on available data, Castlecrag has a notable bushfire risk. Check your specific property for BAL ratings through ClimateNest or your local council.

What BAL rating applies to properties in Castlecrag?

BAL ratings in Castlecrag depend on the property's distance from classified vegetation, vegetation type, and slope. A site-specific assessment under AS 3959 is required to determine the exact BAL rating for any property within the suburb.

Does bushfire risk affect insurance in Castlecrag?

Yes, properties in bushfire-prone parts of Castlecrag may face higher building insurance premiums. Insurers assess bushfire risk based on BAL rating, fire history, and proximity to bushland. Some insurers may restrict cover in very high-risk locations.

What bushfire mitigation measures help protect homes in Castlecrag?

Effective bushfire mitigation includes maintaining cleared asset protection zones, using ember-proof mesh on vents, installing metal gutter guards, using non-combustible building materials, and maintaining defendable space. Consult the New South Wales fire authority for property-specific guidance.

What are the main climate risks in Castlecrag?

ClimateNest's suburb model rates Castlecrag's dominant climate risk as extreme heat at 5/10 on a 0โ€“10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages โ€” an address-level report is needed to confirm the risk of a specific property in Castlecrag.

What share of Castlecrag is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.2% of Castlecrag in high-risk zones for bushfire, with a further 79.5% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Castlecrag Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Castlecrag, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections