๐Ÿ“ฎ Upper Coomera postcode: 4209

Flood Risk in Upper Coomera, QLD: 2026 Assessment

Upper Coomera, Queenslandยท Gold Coastยท 4209
Upper Coomera faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.Updated 12 Mar 2026

Flood Risk Score

6.5/10

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

Key Facts

Flood Risk
Upper Coomera faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Upper Coomera, QLD
Overall Risk
Medium
Postcode
4209
Highest high-risk exposure
13% of land (extreme wind)

Flood Risk Analysis

Upper Coomera, 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.

Areas near the Coomera River are most susceptible to flooding. Check council flood maps for specific property risks.

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

Upper Coomera sits within ClimateNest's suburb-level hazard model for flood risk. 9.3% of the suburb's land area is mapped in high-risk flood zones and 75.5% 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 Upper Coomera.

Upper Coomera (postcode 4209) 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 extreme wind (13% of land in high-risk zones), bushfire (10.2% of land in high-risk zones), riverine flood (9.3% of land in high-risk zones). Exposure is not uniform across Upper Coomera 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 WaterwayCoomera River
Elevation Range5-30 meters
Flood Zone ClassificationMedium to High Risk

Historical Events

2022
Moderate

Major flooding occurred in the Coomera River after heavy rainfall, impacting low-lying areas of Upper Coomera.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in improved drainage infrastructure and flood barriers to protect properties from rising floodwaters.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement stricter building codes for fire resistance and promote community education on bushfire safety.

Est. cost: Medium

Develop Heat Action Plans

Immediate

Establish cooling centers and provide support for vulnerable residents during heatwaves.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-wise gardening and implement water restrictions during dry periods to conserve water resources.

Est. cost: Low

Green Infrastructure Expansion

Long-term

Increase urban green spaces to combat the urban heat island effect and improve overall community resilience.

Est. cost: Medium

Council & Emergency Services

City of Gold Coast
Emergency Services

Data last updated: 12 March 2026

Explore Upper Coomera Risk Reports

Frequently Asked Questions

Is Upper Coomera at risk of flooding?

Based on available data, Upper Coomera 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 Upper Coomera?

Insurance costs for flood cover in Upper Coomera 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 Upper Coomera?

Yes, flood risk can affect property values in Upper Coomera. 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 Upper Coomera?

Elevation is a critical factor in flood risk. Properties at higher elevations within Upper Coomera 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 Upper Coomera is exposed to high extreme wind risk?

ClimateNest's hazard overlay maps 13% of Upper Coomera in high-risk zones for extreme wind, with a further 75.5% 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 Upper Coomera Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Upper Coomera, 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