๐Ÿ“ฎ Marsfield postcode: 2122

Flood Risk in Marsfield, NSW: 2026 Assessment

Marsfield, New South Walesยท UNKNOWNยท 2122
Marsfield faces a moderate risk of flooding due to its proximity to waterways and local topography. Intense rainfall events can lead to flash flooding.Updated 4 Apr 2026

Flood Risk Score

6.0/10

Marsfield 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

Nearest WaterwayLane Cove River
Elevation Range60-120m
Flood Zone ClassificationSome areas near the Lane Cove River are designated flood zones.

Historical Events

2020
Moderate

Significant rainfall events led to flash flooding and property damage in parts of Marsfield.

1990
Moderate

Heavy rainfall caused flooding in low-lying areas near the Lane Cove River.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade and expand local drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop 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-term

Expand community education programs on bushfire preparedness, including evacuation planning and property maintenance.

Est. cost: Low

Increase Urban Green Spaces

Long-term

Increase 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

City of Ryde
Emergency Services

Data last updated: 4 April 2026

Explore Marsfield Risk Reports

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?

Enter your address below for an instant climate risk assessment for Marsfield, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections