Flood Risk in Freeburn Island, NSW: 2026 Assessment
Flood Risk Score
6.0/10Freeburn Island faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Key Facts
- Flood Risk
- Freeburn Island faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
- Trend
- increasing
- Suburb
- Freeburn Island, NSW
- Overall Risk
- Medium
- Postcode
- 2464
- Region
- Coastal NSW
- Median property value
- $925,000
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 13.5% of land (bushfire)
Flood Risk Analysis
Freeburn Island, 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.
Historical flood data indicates that parts of Freeburn Island have been inundated in past major flood events.
Freeburn Island faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. 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.
Freeburn Island sits within ClimateNest's suburb-level hazard model for flood risk. 4.9% of the suburb's land area is mapped in high-risk flood zones and 66% 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 Freeburn Island.
On ClimateNest's 0–10 suburb hazard index, Freeburn Island scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Freeburn Island can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.
Freeburn Island located in Coastal NSW (postcode 2464), 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 Freeburn Island.
Across the six hazard axes ClimateNest models, the dominant climate risk in Freeburn 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 Freeburn 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 Freeburn Island are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Heavy rainfall caused localized flooding on Freeburn Island, disrupting transport and damaging some properties.
Widespread flooding across NSW affected Freeburn Island, with many homes experiencing water damage.
Major flooding of the Hawkesbury River inundated parts of Freeburn Island, causing property damage.
Adaptation & Mitigation Actions
Upgrade flood defenses
Near-termInvest in seawalls, levees, and drainage systems to protect coastal areas and reduce flood risk.
Est. cost: High
Develop a heatwave management plan
ImmediateImplement strategies to protect vulnerable populations during heatwaves, such as establishing cooling centers and providing public health advice.
Est. cost: Medium
Promote water conservation
Long-termEncourage residents to conserve water through education campaigns and incentives for water-efficient appliances.
Est. cost: Low
Relocate vulnerable infrastructure
Long-termConsider relocating critical infrastructure away from high-risk coastal areas to reduce the impact of sea level rise and erosion.
Est. cost: Very High
Improve building codes
Near-termUpdate building codes to ensure new construction is resilient to climate change impacts, such as flooding and heatwaves.
Est. cost: Medium
Council & Emergency Services
Explore Freeburn Island Risk Reports
View other climate risk assessments for Freeburn Island:
Frequently Asked Questions
Is Freeburn Island at risk of flooding?
Based on available data, Freeburn Island 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 Freeburn Island?
Insurance costs for flood cover in Freeburn Island 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 Freeburn Island?
Yes, flood risk can affect property values in Freeburn Island. 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 Freeburn Island?
Elevation is a critical factor in flood risk. Properties at higher elevations within Freeburn Island 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 Freeburn Island?
ClimateNest's suburb model rates Freeburn 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 Freeburn Island.
What share of Freeburn Island is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 13.5% of Freeburn Island in high-risk zones for bushfire, with a further 73.8% 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 Freeburn Island Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Freeburn Island, New South Wales, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections