Flood Risk in Thornlands, QLD: 2026 Assessment

Thornlands, 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 properties near the creek are at higher risk.

Thornlands faces a moderate risk of flooding, primarily from heavy rainfall events and potential stormwater runoff. Areas near creeks and low-lying regions are more vulnerable.

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.

Thornlands 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 81.5% 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 Thornlands.

Thornlands (postcode 4164) 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 (13.4% of land in high-risk zones), surface flood (12% of land in high-risk zones), extreme wind (9.8% of land in high-risk zones). Exposure is not uniform across Thornlands — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.