byggnadsminne
Byggnadsminne is a legal designation in Sweden for a building or group of buildings and their surrounding land that has national cultural-historical value. The designation is part of the Cultural Environment Act (kulturmiljölagen) and is administered by the Swedish National Heritage Board (Riksantikvarieämbetet) in cooperation with the County Administrative Boards (Länsstyrelserna). A byggnadsminne can cover a single building, a farmstead, an industrial complex, or a historic street ensemble, along with the plots and landscape elements that contribute to its character.
The protection is national in scope. Alterations, additions, demolition, or other changes affecting the exterior appearance
Designation is initiated by authorities, research institutions, or occasionally by owners with support from the Länsstyrelsen;