The invention relates to a surface treatment plant for vehicle bodies comprising a first treatment area (8) which comprises a first conveyor system (14) enabling a vehicle body (4) to be conveyed through the first treatment area (8), and a second treatment area (10) which comprises a second conveyor system (56) enabling the vehicle body (4) to be conveyed through the second treatment area (10). A transfer device (66; 112) enables the vehicle body (4) to be transferred from the first conveyor system (14) to the second conveyor system (56). Said transfer device (66; 112) comprises support means (102, 104; 122, 124) which engage on regions of the vehicle body (4) and at least one is arranged in particular on the highest point of the horizontal and the vehicle body (4) is oriented roof upwards. The invention also relates to a method for conveying vehicle bodies through a surface treatment plant.