Flood Risk in Sackville, NSW: 2026 Assessment

Sackville, New South Wales· UNKNOWN
Sackville is located near the Hawkesbury River and is susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.Updated 8 Mar 2026

Flood Risk Score

7.5/10

Sackville is located near the Hawkesbury River and is susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.

Key Facts

Flood Risk
Sackville is located near the Hawkesbury River and is susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.
Trend
increasing
Suburb
Sackville, NSW
Overall Risk
Medium
Postcode
2756
Highest high-risk exposure
10.2% of land (bushfire)

Flood Risk Analysis

Sackville, 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.

The Hawkesbury River is prone to significant flooding events.

Sackville is located near the Hawkesbury River and is susceptible to flooding. Riverine flooding can inundate properties and disrupt infrastructure.

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.

Sackville 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 74.8% 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 Sackville.

Sackville (postcode 2756) 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), surface flood (7% of land in high-risk zones), riverine flood (6.6% of land in high-risk zones). Exposure is not uniform across Sackville — 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 WaterwayHawkesbury River
Elevation Range5-15 meters
Flood Zone ClassificationYes

Historical Events

2020
Moderate

Flooding along the Hawkesbury River impacted Sackville.

2011
Moderate

Significant flooding along the Hawkesbury River affected Sackville.

1990
Major

Major flooding of the Hawkesbury River inundated many properties in Sackville.

Adaptation & Mitigation Actions

Develop a household emergency plan

Immediate

Create a plan that includes evacuation routes, emergency contacts, and a supply kit.

Est. cost: Low

Invest in flood protection measures

Near-term

Consider installing flood barriers, raising electrical appliances, and improving drainage.

Est. cost: Medium

Improve home energy efficiency

Near-term

Install insulation, upgrade to energy-efficient appliances, and use solar panels to reduce energy consumption and lower heat.

Est. cost: Medium

Participate in community climate action

Long-term

Join local groups and initiatives to advocate for climate-friendly policies and build community resilience.

Est. cost: Low

Council & Emergency Services

Hawkesbury City Council
Emergency Services

Data last updated: 8 March 2026

Explore Sackville Risk Reports

Frequently Asked Questions

Is Sackville at risk of flooding?

Based on available data, Sackville has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Sackville?

Insurance costs for flood cover in Sackville 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 Sackville?

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

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

ClimateNest's hazard overlay maps 10.2% of Sackville in high-risk zones for bushfire, with a further 60.3% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Sackville Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Sackville, 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 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections