📮 Captains Flat postcode: 2623

Flood Risk in Captains Flat, NSW: 2026 Assessment

Captains Flat, New South Wales· Snowy Monaro Regional· 2623
Captains Flat faces a moderate risk of flooding due to its location near the Molonglo River and historical flooding events. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.Updated 24 May 2026

Flood Risk Score

6.0/10

Captains Flat faces a moderate risk of flooding due to its location near the Molonglo River and historical flooding events. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.

Key Facts

Flood Risk
Captains Flat faces a moderate risk of flooding due to its location near the Molonglo River and historical flooding events. Climate change is expected to increase rainfall intensity, potentially exacerbating flood risk.
Trend
increasing
Suburb
Captains Flat, NSW
Overall Risk
Medium
Postcode
2623
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
16.8% of land (bushfire)

Flood Risk Analysis

Captains Flat, 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 records indicate several flooding events in Captains Flat, particularly affecting low-lying areas near the river.

Captains Flat faces a moderate risk of flooding due to its location near the Molonglo River and historical flooding events. Climate change is expected to increase rainfall intensity, potentially 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.

Captains Flat sits within ClimateNest's suburb-level hazard model for flood risk. 5.9% of the suburb's land area is mapped in high-risk flood zones and 64.2% 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 Captains Flat.

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

Captains Flat located in Regional NSW (postcode 2623), 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 Captains Flat.

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

Local Hazard Evidence

Nearest WaterwayMolonglo River
Elevation RangeApprox. 900m
Flood Zone ClassificationAreas near the Molonglo River are prone to flooding.

Historical Events

2016
Moderate

Heavy rainfall caused the Molonglo River to flood, impacting low-lying areas in Captains Flat.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and improved drainage systems, to protect properties from flooding.

Est. cost: High

Bushfire Preparedness

Immediate

Implement bushfire management strategies, including controlled burns and vegetation clearing, to reduce fuel loads and protect the community.

Est. cost: Medium

Heatwave Action Plan

Near-term

Develop a heatwave action plan to protect vulnerable residents during periods of extreme heat, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Community Education

Long-term

Conduct community education programs to raise awareness about climate risks and promote preparedness measures.

Est. cost: Low

Upgrade Building Standards

Long-term

Incorporate climate resilience measures into building codes and standards to ensure new and existing properties are better protected from extreme weather events.

Est. cost: Medium

Council & Emergency Services

Snowy Monaro Regional Council
Emergency Services

Data last updated: 24 May 2026

Explore Captains Flat Risk Reports

Frequently Asked Questions

Is Captains Flat at risk of flooding?

Based on available data, Captains Flat 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 Captains Flat?

Insurance costs for flood cover in Captains Flat 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 Captains Flat?

Yes, flood risk can affect property values in Captains Flat. 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 Captains Flat?

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

ClimateNest's suburb model rates Captains Flat'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 Captains Flat.

What share of Captains Flat is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 16.8% of Captains Flat in high-risk zones for bushfire, with a further 57.7% 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 Captains Flat Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Captains Flat, 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