: 23-31
Lviv polytechnic national university, Department of Design and Basics of Architecture

Consideration of contemporary urban environment aesthetics is also closely linked to the category of heritage, which is growing in importance and is expanding. The concept of heritage itself is, in turn, a modern phenomenon that emerged only in the nineteenth century and is largely linked to the formation of political nations. Based on comparative analysis, has been traced the transformation of the concept of heritage in modern and postmodern discourse. Also, has been identified the relationship between exclusive and inclusive models of understanding the historical value of an architectural object in the context of understanding the aesthetics of the urban environment.

It is determined that due to the significant extension of the typology and the number of heritage objects, the concept of urban aesthetics, in addition to the traditional parameters, receives a new resource for its understanding. Potential increase of heritage sites number, leads to improvement in the subjective perception of living space. At the same time, the value valorization of modern urban formations requires a change in the basic attitudes in mass culture, that have existed in it since the postmodern times. The strategy of facilitating this process is an important task of future theoretical research as in architectural (city planning), as in cultural, social, media etc.

It had been analyzed a process of reducing the chronological distance between the appearance of a building and its listing as the heritage; the gradual acceptance as a heritage of objects of modernist architecture. Also it had been identified the phenomenon of juxtaposition of "historical" and "modern" types of project outlook in mass culture, which often becomes confrontational, in which modern architecture acted as a kind of negative antithesis to the positive hierotopy of the past. The problem of the absence in the national theory of architecture, the strategy of positive conceptualization of modernist heritage at the level of mass culture is outlined

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