The aim of this paper is to survey home activities by the single aged living in housing units rented by UDC. The conclusion is as follows : 1 The single aged usually use "private room 1 " for main activities. The "yukaza(sitting on the floor)" is a main style except meals and is almost in the "ibasho(rooms of leisure activities in housings)". 2 They don't socialize much with each other and they only exchange greetings and have short conversation at most. Many residents in "Hamakoshien Danchi" have short conversation and many in "Mukogawa Danchi" exchange greetings. 3 Many of the aged hope for one more room. About 7Opercents of residents living in "2 DK" answered "l don't hope.".