Half of the world's population already live in urban centres. It is estimated that by the year 2050 this percentage will rise as high as 70 %. Urbanisation brings with it great challenges to cities and communities: on one hand many places are confronted with an increase in inhabitants, and as a consequence the need for more housing stock. On the other hand, for many people, the single-family home (henceforth referred as SFH) still represents high quality housing, even with its high per capita space consumption.
