📮 Glenwood postcode: 2768

Flood Risk in Glenwood, NSW: 2026 Assessment

Glenwood, New South Wales· Blacktown· 2768
Glenwood faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.Updated 1 May 2026

Flood Risk Score

6.5/10

Glenwood faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.

Key Facts

Flood Risk
Glenwood faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to flash flooding.
Trend
increasing
Suburb
Glenwood, NSW
Overall Risk
Medium
Postcode
2768
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
14.2% of land (surface flood)

Flood Risk Analysis

Glenwood, 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 localized flooding during extreme rainfall events. Council is undertaking drainage upgrades to mitigate risks.

Glenwood faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Intense rainfall events can lead to 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.

Glenwood sits within ClimateNest's suburb-level hazard model for flood risk. 6.9% of the suburb's land area is mapped in high-risk flood zones and 85.5% 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 Glenwood.

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

Glenwood located in Regional (postcode 2768), 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 Glenwood.

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

Local Hazard Evidence

Nearest WaterwaySecond Ponds Creek
Elevation Range40-60m
Flood Zone ClassificationIdentified flood zones along Second Ponds Creek

Historical Events

2022
Moderate

Heavy rainfall led to flash flooding and road closures in Glenwood.

2011
Moderate

Significant flooding in the Blacktown area, including Glenwood, due to heavy rainfall.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: High

Implement Urban Greening

Near-term

Increase tree canopy cover and green spaces to reduce the urban heat island effect and provide shade.

Est. cost: Medium

Community Awareness Programs

Immediate

Educate residents about flood and heatwave preparedness, including emergency plans and safety measures.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-saving measures to reduce strain on water resources during droughts and heatwaves.

Est. cost: Low

Bushfire Preparedness

Near-term

Maintain properties to reduce fuel loads and prepare for bushfire season.

Est. cost: Low

Council & Emergency Services

Blacktown City Council
Emergency Services

Data last updated: 1 May 2026

Explore Glenwood Risk Reports

Frequently Asked Questions

Is Glenwood at risk of flooding?

Based on available data, Glenwood 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 Glenwood?

Insurance costs for flood cover in Glenwood 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 Glenwood?

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

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

ClimateNest's suburb model rates Glenwood'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 Glenwood.

What share of Glenwood is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 14.2% of Glenwood in high-risk zones for surface flood, with a further 74.4% 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 Glenwood Safe from Climate Risk?

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