๐Ÿ“ฎ Dunmore postcode: 2529

Flood Risk in Dunmore, QLD: 2026 Assessment

Dunmore, Queenslandยท Shellharbourยท 2529
Dunmore faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 25 May 2026

Flood Risk Score

6.5/10

Dunmore faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Dunmore faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Dunmore, QLD
Overall Risk
Medium
Postcode
4407
Highest high-risk exposure
10.6% of land (riverine flood)

Flood Risk Analysis

Dunmore, located in Queensland, 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 Queensland.

Some areas near the Minamurra River are prone to flash flooding.

Dunmore faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. 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.

Dunmore sits within ClimateNest's suburb-level hazard model for flood risk. 10.6% of the suburb's land area is mapped in high-risk flood zones and 70.8% 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 Dunmore.

Dunmore (postcode 4407) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are riverine flood (10.6% of land in high-risk zones), tropical cyclone (9% of land in high-risk zones), bushfire (8.7% of land in high-risk zones). Exposure is not uniform across Dunmore โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayMinamurra River
Elevation Range5-20 meters
Flood Zone ClassificationPartially within a 100-year flood zone

Historical Events

2020
Moderate

Heavy rainfall caused flash flooding in low-lying areas of Dunmore.

2011
Moderate

Major flooding in the Illawarra region, impacting Dunmore with road closures and property damage.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and drainage systems, to protect properties from flooding.

Est. cost: High

Develop Heat Action Plan

Immediate

Implement a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Medium

Strengthen Coastal Protection

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to reduce the impact of sea level rise and storm surges.

Est. cost: Very High

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation measures, such as clearing vegetation around properties and developing evacuation plans.

Est. cost: Low

Council & Emergency Services

Shellharbour City Council
Emergency Services

Data last updated: 25 May 2026

Explore Dunmore Risk Reports

Frequently Asked Questions

Is Dunmore at risk of flooding?

Based on available data, Dunmore has a notable flood risk profile. Flood risk varies by address โ€” check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Dunmore?

Insurance costs for flood cover in Dunmore 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 Dunmore?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Dunmore 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 share of Dunmore is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 10.6% of Dunmore in high-risk zones for riverine flood, with a further 70.8% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Dunmore Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dunmore, Queensland, 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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections