📮 Greengrove postcode: 2145

Flood Risk in Greengrove, NSW: 2026 Assessment

Greengrove, New South Wales· Blacktown· 2145
Greengrove faces a moderate risk of flooding due to its proximity to creeks and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.Updated 31 May 2026

Flood Risk Score

6.5/10

Greengrove faces a moderate risk of flooding due to its proximity to creeks and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key Facts

Flood Risk
Greengrove faces a moderate risk of flooding due to its proximity to creeks and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.
Trend
increasing
Suburb
Greengrove, NSW
Overall Risk
Medium
Postcode
2250
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
13.5% of land (bushfire)

Flood Risk Analysis

Greengrove, 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.

Some properties near Eastern Creek are susceptible to flash flooding.

Greengrove faces a moderate risk of flooding due to its proximity to creeks and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

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.

Greengrove sits within ClimateNest's suburb-level hazard model for flood risk. 6.1% of the suburb's land area is mapped in high-risk flood zones and 64.3% 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 Greengrove.

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

Greengrove located in Regional (postcode 2250), 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 Greengrove.

Across the six hazard axes ClimateNest models, the dominant climate risk in Greengrove 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 Greengrove, 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 Greengrove are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayEastern Creek
Elevation Range20-40m
Flood Zone ClassificationPartially within a 100-year flood zone

Historical Events

2011
Moderate

Significant flooding in the Blacktown area affected some properties in Greengrove.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Implement Heatwave Early Warning System

Immediate

Develop a system to alert vulnerable residents during heatwaves and provide access to cooling centers.

Est. cost: Medium

Bushfire Risk Reduction Programs

Near-term

Implement programs to reduce bushfire risk, such as controlled burns and community education.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce strain on water resources during droughts.

Est. cost: Low

Community Education Programs

Near-term

Educate residents about climate change risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Blacktown City Council
Emergency Services

Data last updated: 31 May 2026

Explore Greengrove Risk Reports

Frequently Asked Questions

Is Greengrove at risk of flooding?

Based on available data, Greengrove 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 Greengrove?

Insurance costs for flood cover in Greengrove 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 Greengrove?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Greengrove 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 Greengrove?

ClimateNest's suburb model rates Greengrove'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 Greengrove.

What share of Greengrove is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.5% of Greengrove in high-risk zones for bushfire, with a further 74.1% 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 Greengrove Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Greengrove, 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