๐Ÿ“ฎ Roseberry postcode: 2018

Flood Risk in Roseberry, NSW: 2026 Assessment

Roseberry, New South Walesยท City of Sydneyยท 2018
Roseberry faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.Updated 20 May 2026

Flood Risk Score

6.0/10

Roseberry faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

Key Facts

Flood Risk
Roseberry faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.
Trend
increasing
Suburb
Roseberry, NSW
Overall Risk
Medium
Postcode
2474
Highest high-risk exposure
13.9% of land (bushfire)

Flood Risk Analysis

Roseberry, 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.

Parts of Roseberry are susceptible to flash flooding during heavy rainfall events.

Roseberry faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, potentially worsening flood events.

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.

Roseberry sits within ClimateNest's suburb-level hazard model for flood risk. 6% of the suburb's land area is mapped in high-risk flood zones and 75.6% 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 Roseberry.

Roseberry (postcode 2474) 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 (13.9% of land in high-risk zones), surface flood (7.8% of land in high-risk zones), riverine flood (6% of land in high-risk zones). Exposure is not uniform across Roseberry 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 WaterwayAlexandra Canal
Elevation Range5-15 meters
Flood Zone ClassificationPartially within a 1% AEP flood zone

Historical Events

2011
Moderate

Significant rainfall event led to flash flooding and disruption of transport networks.

1990
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Roseberry.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Implement urban greening

Immediate

Increase tree canopy cover and green spaces to reduce the urban heat island effect and provide shade during heatwaves.

Est. cost: Medium

Develop a heatwave response plan

Immediate

Create a community-based plan to support vulnerable residents during heatwaves, including cooling centers and outreach programs.

Est. cost: Low

Strengthen building codes

Near-term

Update building codes to require new buildings to be more resilient to heatwaves and flooding.

Est. cost: Medium

Educate residents on climate risks

Long-term

Provide information and resources to help residents understand and prepare for climate change impacts.

Est. cost: Low

Council & Emergency Services

City of Sydney
Emergency Services

Data last updated: 20 May 2026

Explore Roseberry Risk Reports

Frequently Asked Questions

Is Roseberry at risk of flooding?

Based on available data, Roseberry 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 Roseberry?

Insurance costs for flood cover in Roseberry 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 Roseberry?

Yes, flood risk can affect property values in Roseberry. 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 Roseberry?

Elevation is a critical factor in flood risk. Properties at higher elevations within Roseberry 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 Roseberry is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.9% of Roseberry in high-risk zones for bushfire, with a further 71.3% 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 Roseberry Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Roseberry, 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