Flood Risk in South Lismore, NSW: 2026 Assessment
Is South Lismore Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for South Lismore, New South Wales, covering flood, bushfire, sea level rise and more.
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Flood Risk Score
Not assessedSouth Lismore is highly vulnerable to flooding due to its location on the floodplain of the Wilsons River. The area has a history of significant flood events, and climate change is expected to increase the frequency and intensity of heavy rainfall, exacerbating the risk.
Key Facts
- Flood Risk
- South Lismore is highly vulnerable to flooding due to its location on the floodplain of the Wilsons River. The area has a history of significant flood events, and climate change is expected to increase the frequency and intensity of heavy rainfall, exacerbating the risk.
- Trend
- increasing
- Suburb
- South Lismore, NSW
- Overall Risk
- High
- Postcode
- 2480
Flood Risk Analysis
South Lismore, located in New South Wales, has a location-specific 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.
South Lismore has experienced several major floods in recent history, including the 2017 and 2022 floods. The Wilsons River regularly inundates parts of the suburb during periods of heavy rainfall.
South Lismore is highly vulnerable to flooding due to its location on the floodplain of the Wilsons River. The area has a history of significant flood events, and climate change is expected to increase the frequency and intensity of heavy rainfall, exacerbating the 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.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within South Lismore. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
The Wilsons River reached record levels, causing widespread flooding and devastation in South Lismore.
A major flood event inundated parts of South Lismore, causing significant damage to homes and businesses.
Moderate flooding affected South Lismore, causing disruption to residents and businesses.
Adaptation & Mitigation Actions
Improve Flood Defenses
ImmediateInvest in flood levees, drainage improvements, and other infrastructure to protect properties from flooding.
Est. cost: High
Strengthen Building Codes
Near-termUpdate building codes to require new construction to be more resilient to flooding and bushfires.
Est. cost: Medium
Develop Heat Action Plan
Near-termImplement a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.
Est. cost: Low
Community Education Programs
Long-termProvide education programs to raise awareness of climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore South Lismore Risk Reports
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Frequently Asked Questions
Is South Lismore at risk of flooding?
Based on available data, South Lismore has a location-specific 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 South Lismore?
Insurance costs for flood cover in South Lismore 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 South Lismore?
Yes, flood risk can affect property values in South Lismore. 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 South Lismore?
Elevation is a critical factor in flood risk. Properties at higher elevations within South Lismore 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.
Is South Lismore Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for South Lismore, New South Wales, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections