What the mapping shows for Deagon
Part of Deagon is mapped as subject to coastal inundation.
10.3% of Deagon is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
Queensland Coastal Management District, State of Queensland (Department of Environment, Tourism, Science and Innovation), Creative Commons Attribution 4.0, retrieved 2026-10-23
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Deagon →Flood Risk in Deagon, QLD: 2026 Assessment
10.3% of Deagon is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections
Not ready to check your address? See a free sample report →
Flood Risk Score
Not assessedDeagon faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Key Facts
- Flood Risk
- Deagon faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
- Trend
- increasing
- Suburb
- Deagon, QLD
- Overall Risk
- Medium
- Postcode
- 4017
- Region
- Greater Brisbane
- Median property value
- $950,000
- Dominant hazard
- extreme heat
Flood Risk Analysis
Deagon, 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.
Deagon is located near several creeks and waterways that contribute to the flood risk. Historical flood events have impacted properties in the area.
Deagon faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood 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.
Deagon located in Greater Brisbane (postcode 4017), 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 Deagon.
Across the six hazard axes ClimateNest models, the dominant climate risk for Deagon 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 Deagon, 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 Deagon are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Major flooding event impacted Deagon, causing property damage and road closures.
The 2011 Brisbane floods caused significant inundation in low-lying areas of Deagon.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.
Est. cost: High
Implement Heatwave Early Warning System
ImmediateDevelop and implement a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.
Est. cost: Medium
Protect Coastal Areas
Long-termImplement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and storm surges.
Est. cost: Very High
Community Education Programs
Near-termEducate residents about climate change risks and adaptation measures through community workshops and outreach programs.
Est. cost: Low
Council & Emergency Services
Explore Deagon Risk Reports
View other climate risk assessments for Deagon:
Frequently Asked Questions
Is Deagon at risk of flooding?
Based on available data, Deagon 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 Deagon?
Insurance costs for flood cover in Deagon 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 Deagon?
Yes, flood risk can affect property values in Deagon. 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 Deagon?
Elevation is a critical factor in flood risk. Properties at higher elevations within Deagon 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 Deagon Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Deagon, Queensland, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections