Bushfire Risk in South Trees, QLD: BAL Ratings & Property Safety

South Trees, Queensland
Lower bushfire risk — seasonal risk varies by vegetation and dry periodsUpdated 19 Sept 2026

Bushfire Risk Score

2.1/10

Lower bushfire risk — seasonal risk varies by vegetation and dry periods

Key Facts

Bushfire Risk
Lower bushfire risk — seasonal risk varies by vegetation and dry periods
Trend
increasing
Suburb
South Trees, QLD
Assessment
BAL assessment recommended
Postcode
4680
Highest high-risk exposure
18% of land (tropical cyclone)

Bushfire Risk Analysis

South Trees in Queensland is located within a region where bushfire risk is determined by proximity to bushland, vegetation type, slope, and prevailing weather conditions. The Queensland Fire Department (QFES) maps bushfire-prone areas and issues BAL (Bushfire Attack Level) ratings for individual properties.

Bushfire Attack Level (BAL) ratings range from BAL-LOW to BAL-FZ (Flame Zone) and determine construction requirements under Australian Standard AS 3959. Properties in South Trees that are within 100 metres of classified bushland are likely to require a BAL assessment before building or renovating.

BAL construction cost estimates for properties in South Trees vary significantly by rating: BAL-LOW requires minimal additional spend ($0–$5,000), BAL-12.5 adds approximately $5,000–$15,000 in construction costs for ember-proofing and material upgrades, BAL-19 costs range from $20,000–$40,000, BAL-29 from $40,000–$75,000, BAL-40 from $75,000–$150,000, and BAL-FZ (Flame Zone) can add $150,000–$200,000 or more due to the stringent construction standards required for direct flame contact protection under AS 3959.

CSIRO research indicates that climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. This trend may increase bushfire risk exposure for suburbs like South Trees over the coming decades, making property-level risk assessment increasingly important.

Queensland Fire Department publishes bushfire-prone land maps, fire history data, and property preparation guides for South Trees and surrounding areas. These resources, combined with a site-specific BAL assessment, provide the most complete picture of bushfire risk for any property.

For a property-specific bushfire risk report for any address in South Trees — including BAL zone assessment, evacuation route mapping, and risk mitigation recommendations — use the ClimateNest full analysis tool.

South Trees sits within ClimateNest's suburb-level hazard model for bushfire risk. 15.2% of the suburb's land area is mapped in high-risk bushfire zones and 56.2% 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 South Trees.

South Trees (postcode 4680) 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 tropical cyclone (18% of land in high-risk zones), bushfire (15.2% of land in high-risk zones), riverine flood (12.9% of land in high-risk zones). Exposure is not uniform across South Trees — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Explore South Trees Risk Reports

Frequently Asked Questions

Is South Trees in a bushfire prone area?

Parts of South Trees may be designated as bushfire prone land, particularly areas near bushland reserves, national parks, or vegetated corridors. Check your specific property's BAL rating through ClimateNest or your local council, as bushfire exposure varies significantly by location within the suburb.

What does the bushfire risk score mean for South Trees?

The bushfire risk score for South Trees reflects the suburb's overall exposure to bushfire hazards based on vegetation proximity, fire history, slope, and climate projections. A higher score indicates greater potential bushfire impact, but property-level risk depends on your specific address — two neighbouring properties can have different BAL ratings.

What BAL rating applies to properties in South Trees?

BAL ratings in South Trees depend on the property's distance from classified vegetation, vegetation type, and slope. Ratings range from BAL-LOW (lowest risk) to BAL-FZ (Flame Zone). A site-specific assessment under AS 3959 is required to determine the exact BAL rating for any property.

How much does BAL compliance cost for new builds in South Trees?

BAL compliance costs in South Trees scale with the rating: BAL-12.5 ($5,000–$15,000), BAL-19 ($20,000–$40,000), BAL-29 ($40,000–$75,000), BAL-40 ($75,000–$150,000), and BAL-FZ ($150,000–$200,000+). These estimates cover upgraded materials, ember-proofing, and construction requirements under AS 3959.

Does bushfire risk affect insurance in South Trees?

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

Can I reduce my bushfire risk in South Trees?

Yes, you can reduce bushfire risk through measures such as maintaining cleared asset protection zones, using ember-proof mesh on vents, installing metal gutter guards, using non-combustible building materials, and maintaining defendable space around the property. The QFES provides detailed property preparation guides.

How does bushfire risk affect property value in South Trees?

Properties in designated bushfire-prone areas of South Trees may experience reduced buyer demand, higher insurance costs, and additional construction requirements under the National Construction Code. These factors can influence long-term property values.

Where can I find official bushfire maps for South Trees?

Official bushfire-prone land maps for South Trees are published by Queensland Fire Department and your local council. These maps identify areas where BAL assessments are required for new construction. For emergency warnings and current fire incidents in South Trees, visit https://www.qfes.qld.gov.au.

What share of South Trees is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 18% of South Trees in high-risk zones for tropical cyclone, with a further 53.9% 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 South Trees Safe from Climate Risk?

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

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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