📮 Glenthompson postcode: 3293

Flood Risk in Glenthompson, VIC: 2026 Assessment

Glenthompson, Victoria· Southern Grampians Shire· 3293
Glenthompson faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Increased rainfall intensity could exacerbate this risk.Updated 1 June 2026

Flood Risk Score

6.5/10

Glenthompson faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Increased rainfall intensity could exacerbate this risk.

Key Facts

Flood Risk
Glenthompson faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Increased rainfall intensity could exacerbate this risk.
Trend
increasing
Suburb
Glenthompson, VIC
Overall Risk
Medium
Postcode
3293
Region
Regional VIC
Median property value
$475,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
10.3% of land (bushfire)

Flood Risk Analysis

Glenthompson, located in Victoria, 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 Victoria.

Local council has identified areas at risk and is working on mitigation strategies.

Glenthompson faces a moderate risk of flooding due to its proximity to waterways and relatively flat terrain. Increased rainfall intensity could exacerbate this 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.

Glenthompson sits within ClimateNest's suburb-level hazard model for flood risk. 3.5% of the suburb's land area is mapped in high-risk flood zones and 78.6% 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 Glenthompson.

On ClimateNest's 0–10 suburb hazard index, Glenthompson scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Glenthompson can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Glenthompson located in Regional VIC (postcode 3293), is a Victoria suburb tracked by ClimateNest. The suburb's median property value is $475,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Glenthompson.

Across the six hazard axes ClimateNest models, the dominant climate risk in Glenthompson is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Glenthompson, 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 Glenthompson are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayWannon River
Elevation Range180-200m
Flood Zone ClassificationAreas near the Wannon River are prone to flooding.

Historical Events

2016
Minor

Minor flooding occurred in low-lying areas of Glenthompson after heavy rainfall.

2011
Moderate

Major flooding along the Wannon River affected Glenthompson and surrounding areas.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Develop Heatwave Early Warning System

Immediate

Implement a system to alert residents of impending heatwaves and provide guidance on staying safe.

Est. cost: Low

Bushfire Preparedness Programs

Near-term

Conduct community workshops and provide resources on bushfire preparedness and survival.

Est. cost: Low

Community Resilience Planning

Long-term

Engage the community in developing a climate adaptation plan that addresses local risks and vulnerabilities.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water-saving practices to mitigate the impact of potential droughts and water scarcity.

Est. cost: Low

Council & Emergency Services

Southern Grampians Shire Council
Emergency Services

Data last updated: 1 June 2026

Explore Glenthompson Risk Reports

Frequently Asked Questions

Is Glenthompson at risk of flooding?

Based on available data, Glenthompson has a notable 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 Glenthompson?

Insurance costs for flood cover in Glenthompson 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 Glenthompson?

Yes, flood risk can affect property values in Glenthompson. 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 Glenthompson?

Elevation is a critical factor in flood risk. Properties at higher elevations within Glenthompson 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 are the main climate risks in Glenthompson?

ClimateNest's suburb model rates Glenthompson's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by bushfire (4/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Glenthompson.

What share of Glenthompson is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.3% of Glenthompson in high-risk zones for bushfire, with a further 65.5% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Glenthompson Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Glenthompson, Victoria, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections