๐Ÿ“ฎ Northwood postcode: 2066

Flood Risk in Northwood, NSW: 2026 Assessment

Northwood, New South Walesยท Lane Coveยท 2066
Northwood faces a moderate risk of flooding due to its proximity to the Lane Cove River and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.Updated 21 May 2026

Flood Risk Score

6.5/10

Northwood faces a moderate risk of flooding due to its proximity to the Lane Cove River and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Key Facts

Flood Risk
Northwood faces a moderate risk of flooding due to its proximity to the Lane Cove River and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.
Trend
increasing
Suburb
Northwood, NSW
Overall Risk
Medium
Postcode
2066
Highest high-risk exposure
15.3% of land (bushfire)

Flood Risk Analysis

Northwood, 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 Burns Bay have experienced flooding in the past.

Northwood faces a moderate risk of flooding due to its proximity to the Lane Cove River and low-lying areas. Intense rainfall events can lead to riverine and 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.

Northwood sits within ClimateNest's suburb-level hazard model for flood risk. 6.7% of the suburb's land area is mapped in high-risk flood zones and 71% 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 Northwood.

Northwood (postcode 2066) 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 (15.3% of land in high-risk zones), surface flood (8.3% of land in high-risk zones), riverine flood (6.7% of land in high-risk zones). Exposure is not uniform across Northwood 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 Range5-30 meters
Flood Zone ClassificationAreas adjacent to the Lane Cove River are designated as flood zones.

Historical Events

2020
Minor

Heavy rainfall caused minor flooding in some parts of Northwood.

1990
Moderate

Major flooding along the Lane Cove River affected low-lying properties in Northwood.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Medium

Strengthen Coastal Protection

Long-term

Implement measures to protect coastal areas from sea level rise and storm surges, such as seawalls and beach nourishment.

Est. cost: Very High

Enhance Bushfire Preparedness

Near-term

Provide residents with information and resources to prepare for bushfires, such as property maintenance guidelines and evacuation plans.

Est. cost: Low

Council & Emergency Services

Lane Cove Council
Emergency Services

Data last updated: 21 May 2026

Explore Northwood Risk Reports

Frequently Asked Questions

Is Northwood at risk of flooding?

Based on available data, Northwood 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 Northwood?

Insurance costs for flood cover in Northwood 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 Northwood?

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

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

ClimateNest's hazard overlay maps 15.3% of Northwood in high-risk zones for bushfire, with a further 70.3% 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 Northwood Safe from Climate Risk?

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

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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