📮 Hebersham postcode: 2770

Flood Risk in Hebersham, NSW: 2026 Assessment

Hebersham, New South Wales· Blacktown· 2770
Hebersham faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Properties in low-lying areas are particularly vulnerable.Updated 1 May 2026

Flood Risk Score

6.0/10

Hebersham faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Properties in low-lying areas are particularly vulnerable.

Key Facts

Flood Risk
Hebersham faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Properties in low-lying areas are particularly vulnerable.
Trend
increasing
Suburb
Hebersham, NSW
Overall Risk
Medium
Postcode
2770
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
8.9% of land (riverine flood)

Flood Risk Analysis

Hebersham, 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.

Local drainage systems may be overwhelmed during heavy rainfall events.

Hebersham faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Properties in 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.

Hebersham sits within ClimateNest's suburb-level hazard model for flood risk. 8.9% of the suburb's land area is mapped in high-risk flood zones and 68.5% 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 Hebersham.

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

Hebersham located in Regional (postcode 2770), 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 Hebersham.

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

Local Hazard Evidence

Nearest WaterwayEastern Creek
Elevation Range30-50m
Flood Zone ClassificationLow to Moderate

Historical Events

2020
Minor

Localized flooding occurred due to heavy rainfall, causing minor disruptions to traffic and property damage.

2011
Moderate

Major flooding event in the Hawkesbury-Nepean region affected parts of Western Sydney, including areas near Hebersham.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Immediate

Upgrade and expand local drainage systems to mitigate flood risk.

Est. cost: High

Implement Heatwave Early Warning System

Near-term

Develop and implement a heatwave early warning system to protect vulnerable populations.

Est. cost: Medium

Increase Green Spaces

Near-term

Increase the amount of green space in the suburb to reduce the urban heat island effect.

Est. cost: Medium

Community Education Programs

Long-term

Educate residents about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Blacktown City Council
Emergency Services

Data last updated: 1 May 2026

Explore Hebersham Risk Reports

Frequently Asked Questions

Is Hebersham at risk of flooding?

Based on available data, Hebersham 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 Hebersham?

Insurance costs for flood cover in Hebersham 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 Hebersham?

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

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

ClimateNest's suburb model rates Hebersham'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 Hebersham.

What share of Hebersham is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 8.9% of Hebersham in high-risk zones for riverine flood, with a further 68.5% 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 Hebersham Safe from Climate Risk?

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