๐Ÿ“ฎ Roseville Chase postcode: 2069

Flood Risk in Roseville Chase, NSW: 2026 Assessment

Roseville Chase, New South Walesยท Ku-ring-gaiยท 2069
Roseville Chase faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Properties close to creeks are most vulnerable.Updated 19 May 2026

Flood Risk Score

6.0/10

Roseville Chase faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Properties close to creeks are most vulnerable.

Key Facts

Flood Risk
Roseville Chase faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Properties close to creeks are most vulnerable.
Trend
increasing
Suburb
Roseville Chase, NSW
Overall Risk
Medium
Postcode
2069
Highest high-risk exposure
16.3% of land (bushfire)

Flood Risk Analysis

Roseville Chase, 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 properties near the creek have experienced flooding in the past.

Roseville Chase faces a moderate risk of flooding, primarily from heavy rainfall events and potential overflow from nearby waterways. Properties close to creeks are most vulnerable.

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.

Roseville Chase sits within ClimateNest's suburb-level hazard model for flood risk. 6.6% of the suburb's land area is mapped in high-risk flood zones and 80.6% 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 Roseville Chase.

Roseville Chase (postcode 2069) 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 (16.3% of land in high-risk zones), surface flood (7% of land in high-risk zones), riverine flood (6.6% of land in high-risk zones). Exposure is not uniform across Roseville Chase 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 WaterwayMiddle Harbour Creek
Elevation Range40-100m
Flood Zone ClassificationAreas near Middle Harbour Creek are susceptible to flooding.

Historical Events

1990
Moderate

Major flooding event affected properties along Middle Harbour Creek.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Bushfire hazard reduction

Immediate

Regularly clear vegetation around properties and implement bushfire protection measures.

Est. cost: Low

Install heat-reflective roofing

Long-term

Use heat-reflective roofing materials to reduce indoor temperatures and energy consumption.

Est. cost: Medium

Develop a community emergency plan

Near-term

Create a community-based emergency plan to prepare for and respond to climate-related disasters.

Est. cost: Low

Promote water conservation

Long-term

Implement water conservation measures to reduce strain on water resources during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

Ku-ring-gai Council
Emergency Services

Data last updated: 19 May 2026

Explore Roseville Chase Risk Reports

Frequently Asked Questions

Is Roseville Chase at risk of flooding?

Based on available data, Roseville Chase 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 Roseville Chase?

Insurance costs for flood cover in Roseville Chase 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 Roseville Chase?

Yes, flood risk can affect property values in Roseville Chase. 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 Roseville Chase?

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

ClimateNest's hazard overlay maps 16.3% of Roseville Chase in high-risk zones for bushfire, with a further 78.5% 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 Roseville Chase Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Roseville Chase, 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