Preservation practices which began with the restoration of the monumental structures during the first half of the nineteenth century have developed till the period including the conservation and renovation of historical texture or city especially after the first and the second world wars. After the year 1975, “integral preservation” concept has become a current issue and preservation of the physical and socio-cultural structure together has been targeted. In the research, the development process of legislation and regulation for conservation of historical environment was examined in international and national levels. However, applications reveal that during the preservation and renovation practices, mostly historical buildings and/or façades were restored as the buildings and their gardens together while the urban landscape elements were ignored. For this reason, the validity of conservation law no: 2863 of cultural and natural values was determined according to urban landscape design and suggestions were given in the subject of the conservation law. Moreover, in the preservation and renovation practices, the necessity of consideration of the historical building and its’ garden together, and the urban landscape design were emphasized.