This master's thesis focuses on design and elaboration of documentation for construction of a Car Showroom. The building is divided to two functional parts. The building is to be situated on plot number 1333/21, cadastre unit: Bohunice. The building is to be located on an undeveloped plot in possesion of the investor. The parking lots are connected to a local road. All substantial infrastructures are located nearby the plot. The proposition and the design of the building have respect for both commune plan and current buildings. The documentation is elaborated with regard to the contemporary Czech legislative and standards. The project designs the building, which is divided in two functional parts: SO 01 & SO 02, both operationally and visually connected. Contructions of objects are structurally independent. The first object includes exhibition hall with capacity of 8 exhibited cars. There is also to be located the administrative part, waiting rooms for customers, facilities for employees and the warehouse. The second object includes car repair shop. There are also to be located facilities for employees of the service, workshop, room for a car handover, hand car wash and an utility room. Construction is designed as a reinforced concrete columnar structural system with prefabricated single footings, self-supporting foundation slab and reinforced concrete ceiling slab with integrated girders above first floor of the object SO 01. The roofs of the building are designed as a flat roofs and the support constructions are made of steel. Planned dimensions of autosalon are 41x18 metres. As a cladding of the first object is used the lightweight glass cladding. For masonry walls are used the 250 mm thick ceramic blocks, mineral insulation and ventilated external facade cladding with use of fiber-cement boards. Planned dimensions of car repair shop are 31x28 metres. As a cladding of the second object are used the sandwich panels with foam core made of PIR.