A professional cabin for wellbeing treatments, such as Turkish baths, saunas and the like, comprising at least one access wall (2) fitted with a door (3), one or more lateral walls (4) and a roof (17), in which each lateral wall (4) comprises a plurality of prefabricated first modules (18) which are drawn near each other vertically and each have a height corresponding to the height of the entire wall, the access wall (2) comprises at least one prefabricated second module (7) forming the door (3) and at least one prefabricated third module (18) which is drawn near to the prefabricated second module (7), and the roof (17) in turn comprises a plurality of prefabricated components (18) drawn near and connected to each other the first modules and third modules (8) substantially forming the entire thickness of the wall and comprising a first finishing layer (9) towards the inside of the cabin (1) and each component (18) substantially forming the entire thickness of the roof (17) and comprising a second finishing layer towards the inside of the cabin (1). A method for making such cabins is also claimed.
