This diploma thesis deals with a project of an sports relaxation centre in Havlíčkův Brod Ledečská street on plots no. 561/1 and 664/17 that are slightly sloping. The building is non-basement with 2 above-ground floors. The exterior load-bearing walls are made of clay blocks complemented with thermal insulation system according to ETICS. The building foundations are designes as strip foundations from concrete. Horizontal load-bearing structures will be made of prestressed concrete floor slab Spiroll. The building is roofed with a warm flat roof. First ground floor consists of sport part, there are big and small gym, crossfit excercise hall, 3 excercises halls for group lessons and 2 squash courts. It is also possible to use workout playground which is approached from the gym. There is also a buffet near the entrance. Second ground floor serves for relaxation, there are salt cave, sauna world with 5 different saunas (Finnish and also steam) and Whirlpool. The sauna world has also a cooling pool. Visitors can also use the outdoor rest area with a cooling pond. There are also a massage room, pedicure/manicure, solarium and sports shop.