The author presents neighbourly relations in private and professional life within the plots of land and the buildings located on them. The genesis of such neighbourly relations were family divisions, separated as a result of inheritance from the father or mother. In this way, members of the new "small families" - relatives and in-laws - became each other's neighbours at the level of the space of the same plot, including the same front house, and what's more - different parts of its shared rooms, with different valuations of these parts (e.g. the right to have a place in the shared kitchen at a different distance from the heat source). The increasingly smaller area in which individual multiplying families could exist resulted in the need for administrative, meticulous spatial and ownership divisions.