Building aspects relevant for attic annex and renewal permission

In the process of establishment of urban requirements for annex of attics on flat roofs and renewal of existing attics in purpose living spaces to be created, building conditions and requirements have to be taken into consideration. Methodological access is necessary and analyses of following building aspects should be carried out: 1) attic envelope building solutions on conceptual level, 2) living comfort in attics and 3) choice of construction. The first aspect is related to roof forms, conceptions of roof envelope (sloped surfaces, eaves and gutter) construction and visual coordination between roof and lower floors and surroundings. The second aspect is related to satisfaction of spatial-organization comfort, visual comfort, weather protection, which directly influence on attic appearance, as well as thermal, acoustic comfort, fire protection etc. The third aspect choice of construction, is related to conceptions of construction connections between attic and existing building.