Management of land and population comfort is essential for healthy living of mankind. Otherwise, crowding results. Crowding is a physical space problem inside and outside the houses or buildings, commercial as well as residential. Relevance of indoor physical Space remained more focus during Corona time period. Present paper is to search Explanations and co relates of residential crowding in a planned city Chandigarh. Sector wise density of houses and density of population has been used as measure to look at residential crowding. Vertical Expansion, Failure of principle of vertical expansion with floor space index, more proportion of scheduled caste population area, high density of houses, creation of unauthorised structures in the form of ‘Jhuggies’ by floating population leads to more density of population and resultantly more crowding. Even large sizes plots for high socio-economic groups are crowded as helpers and chowkidars add number of persons per house. It has been concluded that though some of the planning principals have failed but still it is successful on various principals of planning.

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Keywords: Crowding, Density of Population, Density of Houses.