Bushfire Risk in Dumaresq Island, NSW: 2026 Assessment
Bushfire Risk Score
3.0/10Bushfire risk is relatively low due to the island's location and limited vegetation. However, changing climate conditions could increase the potential for bushfires.
Key Facts
- Bushfire Risk
- Bushfire risk is relatively low due to the island's location and limited vegetation. However, changing climate conditions could increase the potential for bushfires.
- Trend
- stable
- Suburb
- Dumaresq Island, NSW
- Overall Risk
- Medium
- Postcode
- 2430
- Region
- Coastal NSW
- Median property value
- $925,000
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 10.9% of land (surface flood)
Bushfire Risk Analysis
Dumaresq Island, New South Wales, has a bushfire risk is relatively low due to the island's location and limited vegetation. however, changing climate conditions could increase the potential for bushfires. bushfire risk profile. Key factors include distance to classified bushland, vegetation type, slope, and historical bushfire activity in the region. The New South Wales fire authority maps bushfire-prone areas and assigns BAL (Bushfire Attack Level) ratings.
While not entirely classified as bushfire prone, certain sections of the island border vegetated areas, increasing the risk in those specific locations.
CSIRO research indicates climate change is extending fire seasons and increasing the number of severe fire weather days across southern and eastern Australia. For Dumaresq Island, this may mean shifts in bushfire risk levels over the coming decades, making property-level BAL assessment increasingly important.
Use ClimateNest for a complete address-level bushfire risk report for Dumaresq Island including BAL zone assessment, evacuation route mapping, and property-specific risk mitigation recommendations.
Dumaresq Island sits within ClimateNest's suburb-level hazard model for bushfire risk. 10.2% of the suburb's land area is mapped in high-risk bushfire zones and 83.3% 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 Dumaresq Island.
On ClimateNest's 0–10 suburb hazard index, Dumaresq Island scores 4 for bushfire risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Dumaresq Island can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.
Dumaresq Island located in Coastal NSW (postcode 2430), 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 Dumaresq Island.
Across the six hazard axes ClimateNest models, the dominant climate risk in Dumaresq Island 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 Dumaresq Island, 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 Dumaresq Island are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to better manage increased rainfall and reduce flood risk.
Est. cost: Medium
Protect Coastal Areas
Near-termImplement coastal protection measures, such as seawalls and beach nourishment, to reduce erosion and protect infrastructure.
Est. cost: High
Develop Heatwave Response Plan
ImmediateCreate a plan to protect vulnerable populations during heatwaves, including cooling centers and outreach programs.
Est. cost: Low
Raise Awareness
Long-termEducate residents about climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Dumaresq Island Risk Reports
View other climate risk assessments for Dumaresq Island:
Frequently Asked Questions
Is Dumaresq Island in a bushfire prone area?
Parts of Dumaresq Island may be designated as bushfire prone land. Based on available data, Dumaresq Island has a notable bushfire risk. Check your specific property for BAL ratings through ClimateNest or your local council.
What BAL rating applies to properties in Dumaresq Island?
BAL ratings in Dumaresq Island depend on the property's distance from classified vegetation, vegetation type, and slope. A site-specific assessment under AS 3959 is required to determine the exact BAL rating for any property within the suburb.
Does bushfire risk affect insurance in Dumaresq Island?
Yes, properties in bushfire-prone parts of Dumaresq Island may face higher building insurance premiums. Insurers assess bushfire risk based on BAL rating, fire history, and proximity to bushland. Some insurers may restrict cover in very high-risk locations.
What bushfire mitigation measures help protect homes in Dumaresq Island?
Effective bushfire mitigation includes maintaining cleared asset protection zones, using ember-proof mesh on vents, installing metal gutter guards, using non-combustible building materials, and maintaining defendable space. Consult the New South Wales fire authority for property-specific guidance.
What are the main climate risks in Dumaresq Island?
ClimateNest's suburb model rates Dumaresq Island'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 Dumaresq Island.
What share of Dumaresq Island is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 10.9% of Dumaresq Island in high-risk zones for surface flood, with a further 72.7% 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 Dumaresq Island Safe from Climate Risk?
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