Flood Risk in Captains Flat, NSW: 2026 Assessment
Flood Risk Score
6.0/10Captains 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
Historical Events
Heavy rainfall caused the Molonglo River to flood, impacting low-lying areas in Captains Flat.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in flood mitigation infrastructure, such as levees and improved drainage systems, to protect properties from flooding.
Est. cost: High
Bushfire Preparedness
ImmediateImplement bushfire management strategies, including controlled burns and vegetation clearing, to reduce fuel loads and protect the community.
Est. cost: Medium
Heatwave Action Plan
Near-termDevelop 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-termConduct community education programs to raise awareness about climate risks and promote preparedness measures.
Est. cost: Low
Upgrade Building Standards
Long-termIncorporate 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
Explore Captains Flat Risk Reports
View other climate risk assessments for Captains Flat:
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.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections