Flood Risk in Grosses Plain, NSW: 2026 Assessment

Grosses Plain, New South Wales· UNKNOWN
Grosses Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. Low-lying areas are particularly vulnerable.Updated 26 May 2026

Is Grosses Plain Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Flood Risk Score

Not assessed

Grosses Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. Low-lying areas are particularly vulnerable.

Key Facts

Flood Risk
Grosses Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. Low-lying areas are particularly vulnerable.
Trend
increasing
Suburb
Grosses Plain, NSW
Overall Risk
Medium
Postcode
2627
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat

Flood Risk Analysis

Grosses Plain, located in New South Wales, has a location-specific 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.

Check local council for specific flood studies and historical flood data.

Grosses Plain faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. Low-lying areas are particularly 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.

Grosses Plain located in Regional (postcode 2627), 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 Grosses Plain.

Across the six hazard axes ClimateNest models, the dominant climate risk for Grosses Plain in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Grosses Plain, 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 Grosses Plain are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayLocal creeks and drainage systems
Elevation RangeVaries across the suburb
Flood Zone ClassificationAreas near creeks are prone to flooding

Historical Events

2020
Moderate

Heavy rainfall caused localized flooding in low-lying areas of Grosses Plain.

Adaptation & Mitigation Actions

Develop a Bushfire Survival Plan

Immediate

Create a detailed plan for evacuating your property in the event of a bushfire, including designated escape routes and emergency contacts.

Est. cost: Low

Improve Home Cooling

Near-term

Install air conditioning or fans to help keep your home cool during heatwaves. Consider energy-efficient options to reduce electricity consumption.

Est. cost: Medium

Upgrade Flood Protection

Near-term

Install flood barriers or raise the foundation of your home to reduce the risk of flood damage.

Est. cost: High

Plant Native Trees

Long-term

Planting native trees can help to reduce the urban heat island effect and provide shade, making the suburb more resilient to heatwaves.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 26 May 2026

Explore Grosses Plain Risk Reports

Frequently Asked Questions

Is Grosses Plain at risk of flooding?

Based on available data, Grosses Plain has a location-specific 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 Grosses Plain?

Insurance costs for flood cover in Grosses Plain 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 Grosses Plain?

Yes, flood risk can affect property values in Grosses Plain. 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 Grosses Plain?

Elevation is a critical factor in flood risk. Properties at higher elevations within Grosses Plain 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.

Is Grosses Plain Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections