The year 2084 - Even though the demand for single-family housings was still high the constraining factors of space and energy-efficiency shifted the prerogatives of urban structures to high-density blocks. These high-rise buildings usually were divided equally into living and working/office areas. This had the additional effect of keeping commuting times to a minimum as clients were able to rent these micro apartments at a reduced price in case it was located in the same structure.
The Happy-Corporation was able to enforce a monopoly for contracting the building in the mid 2080s due to their advanced position in AI-building and Arch-Bots.