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 →Heat 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 →
Heat Risk Score
Not assessedDeagon experiences a moderate risk of heatwaves, particularly during the summer months. Climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
Key Facts
- Heat Risk
- Deagon experiences a moderate risk of heatwaves, particularly during the summer months. Climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
- Trend
- increasing
- Suburb
- Deagon, QLD
- Overall Risk
- Medium
- Postcode
- 4017
- Region
- Greater Brisbane
- Median property value
- $950,000
- Dominant hazard
- extreme heat
Heat Risk Analysis
Deagon in Queensland faces location-specific extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Deagon warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
The average maximum temperature in January is increasing, leading to more frequent heat stress events. Vulnerable populations are at higher risk during these events.
Get an address-level heat risk assessment from ClimateNest for Deagon including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Heat risk in Deagon is tied to the broader Greater Brisbane climate, and the number of days above 35°C is expected to grow through 2050 - a factor that affects cooling costs, garden viability and property desirability.
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
A prolonged heatwave in January 2020 resulted in increased hospital admissions and heat stress among vulnerable populations in 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
How hot does Deagon get in summer?
Deagon in Queensland experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Deagon. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Deagon?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Queensland. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Deagon properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Deagon and the performance of your building envelope.
What heat mitigation measures work best in Deagon?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
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