Abstract
UR rental housing managed by UR (Urban Renaissance Agency) is a rental stock of about 730,000 apartment flats, which
took over the public corporation continued from the former Japan Housing Corporation. UR has been carrying out various
housing renovations as a countermeasure against the obsolescence of houses built in the mass housing period so far. In this
article, I will introduce the genealogy of renovation that we have been doing renovation of UR rental housing stock.
