📮 Mount Colah postcode: 2079

Bushfire Risk in Mount Colah, NSW: 2026 Assessment

Mount Colah, New South Wales· Hornsby· 2079
Mount Colah faces a high bushfire risk due to its proximity to significant bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during bushfire season.Updated 10 May 2026

Bushfire Risk Score

6.0/10

Mount Colah faces a high bushfire risk due to its proximity to significant bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during bushfire season.

Key Facts

Bushfire Risk
Mount Colah faces a high bushfire risk due to its proximity to significant bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during bushfire season.
Trend
increasing
Suburb
Mount Colah, NSW
Overall Risk
Medium
Postcode
2079
Highest high-risk exposure
13.3% of land (bushfire)

Bushfire Risk Analysis

Mount Colah, New South Wales, has a mount colah faces a high bushfire risk due to its proximity to significant bushland areas. hot, dry conditions and strong winds can exacerbate the risk during bushfire 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.

Check the NSW RFS website for current fire danger ratings and alerts.

CSIRO research indicates climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. For Mount Colah, 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 Mount Colah including BAL zone assessment, evacuation route mapping, and property-specific risk mitigation recommendations.

Mount Colah sits within ClimateNest's suburb-level hazard model for bushfire risk. 13.3% of the suburb's land area is mapped in high-risk bushfire zones and 57.7% 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 Mount Colah.

Mount Colah (postcode 2079) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (13.3% of land in high-risk zones), riverine flood (9.2% of land in high-risk zones), surface flood (9.1% of land in high-risk zones). Exposure is not uniform across Mount Colah — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Distance to BushlandAdjacent to Ku-ring-gai Chase National Park
BAL Overlay / ZoneRFS Bush Fire Prone Land Map
Bushfire Prone AreaYes

Historical Events

2013
Moderate

Bushfires impacted areas near Mount Colah, leading to evacuations and property damage.

Adaptation & Mitigation Actions

Prepare a Bushfire Survival Plan

Immediate

Develop and practice a bushfire survival plan with your family, including evacuation routes and emergency contacts.

Est. cost: Low

Improve Home Insulation

Near-term

Improve home insulation to reduce energy consumption and maintain comfortable indoor temperatures during heatwaves.

Est. cost: Medium

Install Rainwater Tanks

Near-term

Install rainwater tanks to collect and store rainwater for non-potable uses, reducing reliance on mains water during droughts.

Est. cost: Medium

Support Local Bushcare Groups

Long-term

Participate in local bushcare groups to help maintain and protect bushland areas, reducing bushfire risk and enhancing biodiversity.

Est. cost: Low

Council & Emergency Services

Hornsby Shire Council
Emergency Services

Data last updated: 10 May 2026

Explore Mount Colah Risk Reports

Frequently Asked Questions

Is Mount Colah in a bushfire prone area?

Parts of Mount Colah may be designated as bushfire prone land. Based on available data, Mount Colah 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 Mount Colah?

BAL ratings in Mount Colah 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 Mount Colah?

Yes, properties in bushfire-prone parts of Mount Colah 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 Mount Colah?

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 share of Mount Colah is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.3% of Mount Colah in high-risk zones for bushfire, with a further 57.7% 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 Mount Colah Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mount Colah, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections