๐Ÿ“ฎ Ferny Grove postcode: 4055

Flood Risk in Ferny Grove, QLD: 2026 Assessment

Ferny Grove, Queenslandยท Brisbane Cityยท 4055
Ferny Grove has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could worsen the risk.Updated 27 Mar 2026

Flood Risk Score

6.5/10

Ferny Grove has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could worsen the risk.

Key Facts

Flood Risk
Ferny Grove has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could worsen the risk.
Trend
increasing
Suburb
Ferny Grove, QLD
Overall Risk
Medium
Postcode
4055
Highest high-risk exposure
17.3% of land (bushfire)

Flood Risk Analysis

Ferny Grove, located in Queensland, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Queensland.

Some properties are located in areas prone to flash flooding.

Ferny Grove has a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could worsen the risk.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Ferny Grove sits within ClimateNest's suburb-level hazard model for flood risk. 9% of the suburb's land area is mapped in high-risk flood zones and 71.2% 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 Ferny Grove.

Ferny Grove (postcode 4055) 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 (17.3% of land in high-risk zones), tropical cyclone (10.3% of land in high-risk zones), riverine flood (9% of land in high-risk zones). Exposure is not uniform across Ferny Grove โ€” 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

Nearest WaterwayCedar Creek
Elevation Range50-150m
Flood Zone ClassificationMedium

Historical Events

2011
Major

The 2011 Brisbane floods affected Ferny Grove, causing significant property damage.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Bushfire hazard reduction

Near-term

Implement regular bushfire hazard reduction programs in surrounding bushland areas.

Est. cost: Low

Heatwave preparedness plan

Immediate

Develop a community heatwave preparedness plan, including cooling centers and public awareness campaigns.

Est. cost: Low

Promote water conservation

Long-term

Encourage water conservation measures to reduce strain on water resources during drier periods.

Est. cost: Low

Council & Emergency Services

Brisbane City Council
Emergency Services

Data last updated: 27 March 2026

Explore Ferny Grove Risk Reports

Frequently Asked Questions

Is Ferny Grove at risk of flooding?

Based on available data, Ferny Grove has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Ferny Grove?

Insurance costs for flood cover in Ferny Grove depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Ferny Grove?

Yes, flood risk can affect property values in Ferny Grove. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Ferny Grove?

Elevation is a critical factor in flood risk. Properties at higher elevations within Ferny Grove typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What share of Ferny Grove is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.3% of Ferny Grove in high-risk zones for bushfire, with a further 62.1% 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 Ferny Grove Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Ferny Grove, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections