Flood Risk in Fernhill, VIC: 2026 Assessment

Fernhill, Victoria· Wollongong
Fernhill faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.Updated 30 May 2026

Flood Risk Score

6.8/10

Fernhill faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Fernhill faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Fernhill, VIC
Overall Risk
High
Postcode
3418
Highest high-risk exposure
17.7% of land (bushfire)

Flood Risk Analysis

Fernhill, located in Victoria, 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 Victoria.

Some areas near Mullet Creek are prone to flooding during heavy rainfall events.

Fernhill faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

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.

Fernhill sits within ClimateNest's suburb-level hazard model for flood risk. 8.8% of the suburb's land area is mapped in high-risk flood zones and 65.9% 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 Fernhill.

Fernhill (postcode 3418) 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 (17.7% of land in high-risk zones), riverine flood (8.8% of land in high-risk zones), surface flood (8% of land in high-risk zones). Exposure is not uniform across Fernhill — 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 WaterwayMullet Creek
Elevation Range5-20 meters
Flood Zone ClassificationPartially within flood zone

Historical Events

2022
Major

Significant flooding event led to evacuations and infrastructure damage.

2011
Moderate

Major flooding event impacted the region, causing property damage and road closures.

Adaptation & Mitigation Actions

Develop a Bushfire Management Plan

Immediate

Create a comprehensive bushfire management plan for your property, including clearing vegetation, maintaining firebreaks, and having an evacuation plan.

Est. cost: Low

Improve Home Insulation

Near-term

Improve home insulation to reduce heat stress during heatwaves and lower energy consumption for cooling.

Est. cost: Medium

Install Rainwater Tanks

Near-term

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

Est. cost: Medium

Support Coastal Protection Measures

Long-term

Support local government initiatives to protect coastal areas from erosion and sea level rise, such as beach nourishment and seawall construction.

Est. cost: High

Participate in Community Education Programs

Near-term

Engage in community education programs to learn about climate risks and adaptation strategies, and to build community resilience.

Est. cost: Low

Council & Emergency Services

Wollongong City Council
Emergency Services

Data last updated: 30 May 2026

Explore Fernhill Risk Reports

Frequently Asked Questions

Is Fernhill at risk of flooding?

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

What flood insurance costs can I expect in Fernhill?

Insurance costs for flood cover in Fernhill 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 Fernhill?

Yes, flood risk can affect property values in Fernhill. 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 Fernhill?

Elevation is a critical factor in flood risk. Properties at higher elevations within Fernhill 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 Fernhill is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.7% of Fernhill in high-risk zones for bushfire, with a further 61.5% 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 Fernhill Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Fernhill, Victoria, 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