Flood Risk in Greenwell Point, NSW: 2026 Assessment

Greenwell Point, New South Wales· UNKNOWN
Greenwell Point is highly susceptible to flooding due to its low elevation and proximity to the Crookhaven River. Riverine and flash flooding are both potential concerns.Updated 25 May 2026

Flood Risk Score

7.5/10

Greenwell Point is highly susceptible to flooding due to its low elevation and proximity to the Crookhaven River. Riverine and flash flooding are both potential concerns.

Key Facts

Flood Risk
Greenwell Point is highly susceptible to flooding due to its low elevation and proximity to the Crookhaven River. Riverine and flash flooding are both potential concerns.
Trend
increasing
Suburb
Greenwell Point, NSW
Overall Risk
Medium
Postcode
2540
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
11.4% of land (surface flood)

Flood Risk Analysis

Greenwell Point, 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 events have impacted properties along the riverfront. Council is undertaking studies to better understand flood risks.

Greenwell Point is highly susceptible to flooding due to its low elevation and proximity to the Crookhaven River. Riverine and flash flooding are both potential concerns.

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.

Greenwell Point sits within ClimateNest's suburb-level hazard model for flood risk. 3.8% of the suburb's land area is mapped in high-risk flood zones and 70.8% 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 Greenwell Point.

On ClimateNest's 0–10 suburb hazard index, Greenwell Point scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Greenwell Point can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Greenwell Point located in Regional (postcode 2540), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Greenwell Point.

Across the six hazard axes ClimateNest models, the dominant climate risk in Greenwell Point is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Greenwell Point, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Greenwell Point are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCrookhaven River
Elevation Range0-5 meters
Flood Zone ClassificationHigh Risk

Historical Events

2020
Moderate

Heavy rainfall caused the Crookhaven River to flood, impacting low-lying areas and disrupting local businesses.

2011
Moderate

Major flooding of the Crookhaven River inundated low-lying areas of Greenwell Point, causing property damage and road closures.

Adaptation & Mitigation Actions

Improve Flood Defenses

Immediate

Construct seawalls and levees to protect low-lying areas from coastal inundation and riverine flooding.

Est. cost: High

Upgrade Drainage Infrastructure

Near-term

Improve drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Develop a Bushfire Management Plan

Near-term

Implement a comprehensive bushfire management plan, including hazard reduction burns and community education programs.

Est. cost: Medium

Establish a Heatwave Response Plan

Immediate

Develop a heatwave response plan to protect vulnerable populations during extreme heat events, including cooling centers and community outreach programs.

Est. cost: Low

Relocate Critical Infrastructure

Long-term

Relocate critical infrastructure, such as the power station and hospital, away from high-risk coastal areas.

Est. cost: Very High

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore Greenwell Point Risk Reports

Frequently Asked Questions

Is Greenwell Point at risk of flooding?

Based on available data, Greenwell Point 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 Greenwell Point?

Insurance costs for flood cover in Greenwell Point 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 Greenwell Point?

Yes, flood risk can affect property values in Greenwell Point. 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 Greenwell Point?

Elevation is a critical factor in flood risk. Properties at higher elevations within Greenwell Point 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 are the main climate risks in Greenwell Point?

ClimateNest's suburb model rates Greenwell Point's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Greenwell Point.

What share of Greenwell Point is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 11.4% of Greenwell Point in high-risk zones for surface flood, with a further 73.9% 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 Greenwell Point Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Greenwell Point, 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