This class includes the construction of complete residential or non-residential buildings, as well as of additions and alterations. Outsourcing parts or the whole construction process is possible. If only specialised parts of the construction process are carried out, the activity is classified in division 43. This class includes: - construction of all types of buildings: • buildings for industrial production, e.g. factories and workshops • hospital, school and office buildings • hotel, store, shopping mall and restaurant buildings • airport buildings • indoor sports facilities • parking garages, including underground parking garages • warehouse buildings • religious buildings - on-site construction of prefabricated buildings that are manufactured by a different unit This class also includes: - complete remodelling or renovating of existing residential or non-residential buildings involving several specialised construction activities - construction of air-supported buildings, e.g. air domes
This class excludes: - construction of industrial facilities, except buildings, see 4290 - installation of assembled prefabricated buildings, see 4390 - outdoor sports facilities, see 4290 - development of building projects, for later sale, see 6810 - architectural and engineering activities, see 711 - project management for construction, see 711