What the mapping shows for Gillieston
Gillieston has a recorded history of flooding.
1.2% of Gillieston is mapped as subject to a recorded flood extent
Victorian Flood History, State of Victoria (DEECA), CC BY 4.0, retrieved 2026-10-21
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 Gillieston →Heat Risk in Gillieston, VIC: Temperature Projections & Property Impact
1.2% of Gillieston is mapped as subject to a recorded flood extent
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 assessedModerate heat risk — Melbourne heat island effect amplifies extreme heat days
Key Facts
- Heat Risk
- Moderate heat risk — Melbourne heat island effect amplifies extreme heat days
- Trend
- increasing
- Suburb
- Gillieston, VIC
- Assessment
- Address-level recommended
- Postcode
- 3616
- Region
- Coastal VIC
- Median property value
- $725,000
- Dominant hazard
- damaging wind
Heat Risk Analysis
Gillieston in Victoria experiences seasonal temperature variations typical of the region. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since national records began in 1910, with the frequency of extreme heat days also rising across most of the country.
The urban heat island (UHI) effect can make built-up areas of Gillieston several degrees warmer than surrounding rural areas, particularly during summer nights. Factors such as dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress.
CSIRO climate projections indicate that under a high-emissions scenario, many parts of Australia could experience a doubling in the number of days over 35 °C by 2050. For suburbs like Gillieston, this means cooling costs, occupant comfort, and building durability will become increasingly relevant considerations for property owners and buyers.
Use ClimateNest to get a property-specific heat risk report for Gillieston including projected cooling costs, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Heat risk in Gillieston is tied to the broader Coastal VIC 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.
Gillieston located in Coastal VIC (postcode 3616), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $725,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Gillieston.
Across the six hazard axes ClimateNest models, the dominant climate risk for Gillieston in this type is damaging wind. Insurance signals for the suburb point to premiums rising moderately (+25% 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 Gillieston, damaging wind 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 Gillieston are increasingly made with an address-level climate report in hand.
Explore Gillieston Risk Reports
View other climate risk assessments for Gillieston:
Frequently Asked Questions
How hot does Gillieston get in summer?
Gillieston in Victoria experiences summer temperatures consistent with the regional climate. For specific temperature records, BOM publishes historical climate data for weather stations near Gillieston. Get a property-specific heat exposure assessment from ClimateNest.
Is extreme heat increasing in Gillieston?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with climate projections for regions including Victoria. CSIRO data indicates continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Gillieston properties?
Higher temperatures increase cooling demand, which raises electricity costs for properties without efficient insulation or passive design features. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Gillieston.
What heat mitigation measures work best in Gillieston?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, eaves and external shading, cross-ventilation design, and increasing tree canopy and vegetation around the property. These measures reduce indoor temperatures and cooling costs.
Which suburbs near Gillieston are cooler?
Temperature varies across suburbs due to factors like elevation, distance from the coast, vegetation cover, and urban density. Suburbs with more tree canopy, higher elevation, or coastal breezes tend to experience lower extreme heat. ClimateNest compares heat risk across Victoria suburbs.
Is Gillieston Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Gillieston, Victoria, 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