Flood Risk in Dulguigan, NSW: 2026 Assessment

Dulguigan, New South Wales· UNKNOWN
Dulguigan faces a moderate risk of flooding due to its proximity to the Tweed River and surrounding waterways. Increased rainfall intensity could exacerbate flood events.Updated 28 May 2026

Flood Risk Score

6.0/10

Dulguigan faces a moderate risk of flooding due to its proximity to the Tweed River and surrounding waterways. Increased rainfall intensity could exacerbate flood events.

Key Facts

Flood Risk
Dulguigan faces a moderate risk of flooding due to its proximity to the Tweed River and surrounding waterways. Increased rainfall intensity could exacerbate flood events.
Trend
increasing
Suburb
Dulguigan, NSW
Overall Risk
Medium
Postcode
2484
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
24.8% of land (bushfire)

Flood Risk Analysis

Dulguigan, located in New South Wales, 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 New South Wales.

Dulguigan is situated in a low-lying area adjacent to the Tweed River, making it susceptible to riverine flooding.

Dulguigan faces a moderate risk of flooding due to its proximity to the Tweed River and surrounding waterways. Increased rainfall intensity could exacerbate flood events.

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.

Dulguigan sits within ClimateNest's suburb-level hazard model for flood risk. 7.4% of the suburb's land area is mapped in high-risk flood zones and 72.1% 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 Dulguigan.

On ClimateNest's 0–10 suburb hazard index, Dulguigan scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Dulguigan can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dulguigan located in Coastal NSW (postcode 2484), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dulguigan.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dulguigan is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Dulguigan, 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 Dulguigan are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayTweed River
Elevation Range5-15 meters
Flood Zone ClassificationLikely floodplain

Historical Events

2022
Moderate

Major flooding occurred in the Tweed River catchment, impacting Dulguigan and surrounding areas.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood levees and drainage systems to protect properties from inundation.

Est. cost: High

Develop Heat Action Plan

Immediate

Implement a heat action plan with cooling centers and public awareness campaigns.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Conduct community education programs and maintain firebreaks to reduce bushfire risk.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to mitigate the impacts of drought and water scarcity.

Est. cost: Low

Upgrade Building Codes

Long-term

Update building codes to ensure new constructions are resilient to climate change impacts.

Est. cost: Medium

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 28 May 2026

Explore Dulguigan Risk Reports

Frequently Asked Questions

Is Dulguigan at risk of flooding?

Based on available data, Dulguigan 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 Dulguigan?

Insurance costs for flood cover in Dulguigan 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 Dulguigan?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Dulguigan 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 Dulguigan?

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

What share of Dulguigan is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 24.8% of Dulguigan in high-risk zones for bushfire, with a further 68.9% 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 Dulguigan Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Dulguigan, New South Wales, 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