๐Ÿ“ฎ North Turramurra postcode: 2074

Flood Risk in North Turramurra, NSW: 2026 Assessment

North Turramurra, New South Walesยท Ku-ring-gaiยท 2074
Flooding can occur from heavy rainfall events, particularly in low-lying areas and near waterways. Climate change may increase the intensity of rainfall events.Updated 18 May 2026

Flood Risk Score

4.0/10

Flooding can occur from heavy rainfall events, particularly in low-lying areas and near waterways. Climate change may increase the intensity of rainfall events.

Key Facts

Flood Risk
Flooding can occur from heavy rainfall events, particularly in low-lying areas and near waterways. Climate change may increase the intensity of rainfall events.
Trend
increasing
Suburb
North Turramurra, NSW
Overall Risk
Medium
Postcode
2074
Highest high-risk exposure
17.8% of land (bushfire)

Flood Risk Analysis

North Turramurra, 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 localized flooding during extreme rainfall events. Council maintains drainage infrastructure, but capacity may be exceeded during severe storms.

Flooding can occur from heavy rainfall events, particularly in low-lying areas and near waterways. Climate change may increase the intensity of rainfall 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.

North Turramurra sits within ClimateNest's suburb-level hazard model for flood risk. 11.1% of the suburb's land area is mapped in high-risk flood zones and 80.3% 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 North Turramurra.

North Turramurra (postcode 2074) 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 (17.8% of land in high-risk zones), riverine flood (11.1% of land in high-risk zones), extreme wind (5.2% of land in high-risk zones). Exposure is not uniform across North Turramurra 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 Range80-180m
Flood Zone ClassificationSome areas near waterways are designated as flood zones.

Historical Events

2022
Moderate

Heavy rainfall caused localized flooding in low-lying areas of North Turramurra, affecting some residential properties.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Implement bushfire management programs

Immediate

Conduct regular hazard reduction burns and provide education to residents on bushfire preparedness.

Est. cost: Medium

Develop a heatwave response plan

Near-term

Establish cooling centers and provide support to vulnerable populations during heatwaves.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water and implement water-efficient landscaping practices.

Est. cost: Low

Strengthen building codes

Long-term

Update building codes to require new homes to be more resilient to extreme weather events, including bushfires and floods.

Est. cost: Medium

Council & Emergency Services

Ku-ring-gai Council
Emergency Services

Data last updated: 18 May 2026

Explore North Turramurra Risk Reports

Frequently Asked Questions

Is North Turramurra at risk of flooding?

Based on available data, North Turramurra 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 North Turramurra?

Insurance costs for flood cover in North Turramurra 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 North Turramurra?

Yes, flood risk can affect property values in North Turramurra. 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 North Turramurra?

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

ClimateNest's hazard overlay maps 17.8% of North Turramurra in high-risk zones for bushfire, with a further 53.2% 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 North Turramurra Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for North Turramurra, 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