Flood Risk in Toowong, QLD: 2026 Assessment

Toowong, located in Queensland, 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 Queensland.

Historical flood data indicates that parts of Toowong have been inundated in past flood events. The Brisbane City Council provides detailed flood maps and information to help residents understand their risk.

Toowong is located near the Brisbane River and is susceptible to flooding from heavy rainfall and riverine overflow. The area has a history of flooding, and climate change is expected to increase the frequency and intensity of extreme rainfall events.

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.

Toowong sits within ClimateNest's suburb-level hazard model for flood risk. 17.1% of the suburb's land area is mapped in high-risk flood zones and 74.1% 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 Toowong.

Toowong (postcode 4066) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are tropical cyclone (21.2% of land in high-risk zones), riverine flood (17.1% of land in high-risk zones), bushfire (15.8% of land in high-risk zones). Exposure is not uniform across Toowong — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.