📮 Colebee postcode: 2761

Flood Risk in Colebee, NSW: 2026 Assessment

Colebee, New South Wales· Blacktown· 2761
Colebee faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.Updated 1 May 2026

Flood Risk Score

6.5/10

Colebee faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.

Key Facts

Flood Risk
Colebee faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.
Trend
increasing
Suburb
Colebee, NSW
Overall Risk
Medium
Postcode
2761
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
9% of land (bushfire)

Flood Risk Analysis

Colebee, 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 areas near Eastern Creek are susceptible to flash flooding during heavy rainfall events. Improved drainage infrastructure is needed in certain locations.

Colebee faces a moderate risk of flooding, primarily from heavy rainfall events and potential riverine flooding. The risk is influenced by local topography and drainage infrastructure.

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.

Colebee 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 83.4% 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 Colebee.

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

Colebee located in Greater Sydney (postcode 2761), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Colebee.

Across the six hazard axes ClimateNest models, the dominant climate risk in Colebee is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% 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 Colebee, 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 Colebee are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayEastern Creek
Elevation Range30-50m
Flood Zone ClassificationPartially within potential flood zones

Historical Events

2020
Minor

Heavy rainfall led to localized flooding in low-lying areas of Colebee.

2011
Moderate

Major flooding occurred in the Hawkesbury-Nepean region, impacting areas around Colebee due to heavy rainfall.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Immediate

Upgrade and expand drainage systems to better manage increased rainfall and reduce the risk of flooding.

Est. cost: High

Increase Green Cover

Near-term

Plant more trees and create green spaces to reduce the urban heat island effect and provide shade during heatwaves.

Est. cost: Medium

Implement Bushfire Management Strategies

Near-term

Clear vegetation around properties, create fire breaks, and develop bushfire survival plans to reduce the risk of property damage.

Est. cost: Low

Develop a Heatwave Management Plan

Immediate

Establish cooling centers, provide public education on heat safety, and ensure vulnerable populations have access to support during heatwaves.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage residents to conserve water through rainwater harvesting, efficient irrigation, and water-wise landscaping.

Est. cost: Low

Council & Emergency Services

Blacktown City Council
Emergency Services

Data last updated: 1 May 2026

Explore Colebee Risk Reports

Frequently Asked Questions

Is Colebee at risk of flooding?

Based on available data, Colebee 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 Colebee?

Insurance costs for flood cover in Colebee 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 Colebee?

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

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

ClimateNest's suburb model rates Colebee'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 Colebee.

What share of Colebee is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 9% of Colebee in high-risk zones for bushfire, with a further 70.6% 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 Colebee Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

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