📮 Alexandra Hills postcode: 4161

Flood Risk in Alexandra Hills, QLD: 2026 Assessment

Alexandra Hills, Queensland· Redland· 4161
Alexandra Hills faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is exacerbated by increasing urban density and limited stormwater infrastructure.Updated 9 Mar 2026

Is Alexandra Hills Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Flood Risk Score

Not assessed

Alexandra Hills faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is exacerbated by increasing urban density and limited stormwater infrastructure.

Key Facts

Flood Risk
Alexandra Hills faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is exacerbated by increasing urban density and limited stormwater infrastructure.
Trend
increasing
Suburb
Alexandra Hills, QLD
Overall Risk
Medium
Postcode
4161
Region
Greater Brisbane
Median property value
$950,000
Dominant hazard
extreme heat

Flood Risk Analysis

Alexandra Hills, located in Queensland, has a location-specific 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.

Historical flood events have impacted properties along Eprapah Creek. Council maintains flood maps and provides guidance on flood preparedness.

Alexandra Hills faces a moderate risk of flooding, primarily from heavy rainfall events and overflowing of local waterways. The risk is exacerbated by increasing urban density and limited stormwater infrastructure.

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.

Alexandra Hills located in Greater Brisbane (postcode 4161), is a Queensland suburb tracked by ClimateNest. The suburb's median property value is $950,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Alexandra Hills.

Across the six hazard axes ClimateNest models, the dominant climate risk for Alexandra Hills in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+35% by 2030). The actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Alexandra Hills, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Alexandra Hills are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayEprapah Creek
Elevation Range5-50 meters
Flood Zone ClassificationAreas near Eprapah Creek are prone to flooding.

Historical Events

2011
Major

The 2011 Brisbane floods caused significant inundation in Alexandra Hills, particularly along Eprapah Creek.

Adaptation & Mitigation Actions

Upgrade Stormwater Infrastructure

Near-term

Invest in improved stormwater drainage systems to mitigate flood risk.

Est. cost: High

Implement Bushfire Mitigation Measures

Near-term

Create firebreaks and manage vegetation to reduce bushfire risk.

Est. cost: Medium

Develop a Heat Action Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves.

Est. cost: Low

Protect Coastal Areas

Long-term

Implement coastal protection measures to address sea level rise and storm surge.

Est. cost: Very High

Community Education Programs

Near-term

Raise awareness about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Redland City Council
Emergency Services

Data last updated: 9 March 2026

Explore Alexandra Hills Risk Reports

Frequently Asked Questions

Is Alexandra Hills at risk of flooding?

Based on available data, Alexandra Hills has a location-specific 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 Alexandra Hills?

Insurance costs for flood cover in Alexandra Hills 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 Alexandra Hills?

Yes, flood risk can affect property values in Alexandra Hills. 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 Alexandra Hills?

Elevation is a critical factor in flood risk. Properties at higher elevations within Alexandra Hills 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.

Is Alexandra Hills Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections