The houses of the 504 series were also often built in St. Petersburg of the 70s. They call them among the people — «Brezhnevka». True, apartments in these houses are not as attractive as described above. The layout involves the presence of a large number of apartments with adjacent rooms or unilateral. The total area is not enough, the bathroom is very small, even to install the washing machine of the middle dimensions, there may not be enough space. There are three -room apartments with bilateral layout and two loggias. Another plus-the houses of this series in different years were built in all areas of St. Petersburg, which allows you to easily find inexpensive housing with a convenient location.