📮 Binnaway postcode: 2829

Flood Risk in Binnaway, NSW: 2026 Assessment

Binnaway, New South Wales· Warrumbungle Shire Council· 2829
Binnaway faces a moderate risk of flooding due to its proximity to the Castlereagh River and surrounding waterways. Historical flood events indicate potential for inundation of low-lying areas.Updated 29 May 2026

Flood Risk Score

6.5/10

Binnaway faces a moderate risk of flooding due to its proximity to the Castlereagh River and surrounding waterways. Historical flood events indicate potential for inundation of low-lying areas.

Key Facts

Flood Risk
Binnaway faces a moderate risk of flooding due to its proximity to the Castlereagh River and surrounding waterways. Historical flood events indicate potential for inundation of low-lying areas.
Trend
increasing
Suburb
Binnaway, NSW
Overall Risk
Medium
Postcode
2395
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
15.7% of land (bushfire)

Flood Risk Analysis

Binnaway, 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 that parts of Binnaway have been inundated in the past.

Binnaway faces a moderate risk of flooding due to its proximity to the Castlereagh River and surrounding waterways. Historical flood events indicate potential for inundation of low-lying areas.

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.

Binnaway sits within ClimateNest's suburb-level hazard model for flood risk. 7.7% of the suburb's land area is mapped in high-risk flood zones and 84.9% 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 Binnaway.

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

Binnaway located in Regional NSW (postcode 2395), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Binnaway.

Across the six hazard axes ClimateNest models, the dominant climate risk in Binnaway is extreme heat (score 6/10), 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 Binnaway, 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 Binnaway are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayCastlereagh River
Elevation Range250-270m
Flood Zone ClassificationAreas adjacent to the Castlereagh River are prone to flooding.

Historical Events

2022
Major

Major flooding event impacted Binnaway, causing significant damage to property and infrastructure.

2010
Moderate

Significant flooding of the Castlereagh River caused inundation of low-lying areas in Binnaway.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Implement vegetation management programs and improve community awareness of bushfire risks.

Est. cost: Medium

Promote Water Conservation

Long-term

Encourage water-saving practices to reduce demand on water resources during periods of drought.

Est. cost: Low

Council & Emergency Services

Warrumbungle Shire Council
Emergency Services

Data last updated: 29 May 2026

Explore Binnaway Risk Reports

Frequently Asked Questions

Is Binnaway at risk of flooding?

Based on available data, Binnaway 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 Binnaway?

Insurance costs for flood cover in Binnaway 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 Binnaway?

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

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

ClimateNest's suburb model rates Binnaway's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Binnaway.

What share of Binnaway is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 15.7% of Binnaway in high-risk zones for bushfire, with a further 57.2% 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 Binnaway Safe from Climate Risk?

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