Flood Risk in Deauville, NSW: 2026 Assessment

Deauville, 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 past events have impacted low-lying areas.

Flooding can occur from heavy rainfall and overflowing waterways. The risk is moderate due to the suburb's proximity to waterways and 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.

Deauville sits within ClimateNest's suburb-level hazard model for flood risk. 8.3% of the suburb's land area is mapped in high-risk flood zones and 85.3% 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 Deauville.

On ClimateNest's 0–10 suburb hazard index, Deauville scores 4 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Deauville can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Deauville located in Coastal NSW (postcode 2443), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Deauville.

Across the six hazard axes ClimateNest models, the dominant climate risk in Deauville is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Deauville, 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 Deauville are increasingly made with an address-level climate report in hand.