Flood Risk in Marsfield, NSW: 2026 Assessment
Flood Risk Score
6.0/10Marsfield faces a moderate risk of flooding due to its proximity to waterways and local topography. Intense rainfall events can lead to flash flooding.
Key Facts
- Flood Risk
- Marsfield faces a moderate risk of flooding due to its proximity to waterways and local topography. Intense rainfall events can lead to flash flooding.
- Trend
- increasing
- Suburb
- Marsfield, NSW
- Overall Risk
- Medium
- Postcode
- 2122
- Highest high-risk exposure
- 10.2% of land (bushfire)
Flood Risk Analysis
Marsfield, 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.
Local drainage infrastructure may be insufficient to handle increasingly intense rainfall events.
Marsfield faces a moderate risk of flooding due to its proximity to waterways and local topography. Intense rainfall events can lead to flash flooding.
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.
Marsfield sits within ClimateNest's suburb-level hazard model for flood risk. 9.7% of the suburb's land area is mapped in high-risk flood zones and 69.8% 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 Marsfield.
Marsfield (postcode 2122) 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 bushfire (10.2% of land in high-risk zones), riverine flood (9.7% of land in high-risk zones), surface flood (4.8% of land in high-risk zones). Exposure is not uniform across Marsfield 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
Historical Events
Significant rainfall events led to flash flooding and property damage in parts of Marsfield.
Heavy rainfall caused flooding in low-lying areas near the Lane Cove River.
Adaptation & Mitigation Actions
Improve Drainage Infrastructure
Near-termUpgrade and expand local drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Implement Heatwave Early Warning System
ImmediateDevelop and implement a heatwave early warning system to alert vulnerable residents and provide guidance on staying safe during extreme heat events.
Est. cost: Low
Bushfire Preparedness Programs
Near-termExpand community education programs on bushfire preparedness, including evacuation planning and property maintenance.
Est. cost: Low
Increase Urban Green Spaces
Long-termIncrease the amount of green space in urban areas to reduce the urban heat island effect and provide shade and cooling.
Est. cost: Medium
Council & Emergency Services
Explore Marsfield Risk Reports
View other climate risk assessments for Marsfield:
Frequently Asked Questions
Is Marsfield at risk of flooding?
Based on available data, Marsfield 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 Marsfield?
Insurance costs for flood cover in Marsfield 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 Marsfield?
Yes, flood risk can affect property values in Marsfield. 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 Marsfield?
Elevation is a critical factor in flood risk. Properties at higher elevations within Marsfield 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 Marsfield is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 10.2% of Marsfield in high-risk zones for bushfire, with a further 67.9% 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 Marsfield Safe from Climate Risk?
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