In 1788, during the time of Sotsukokusai (or Sottakusai) (the 8th), both Omote-senke and Ura-senke lost all of their numerous tea ceremony rooms except for the utensils that had been handed down from their ancestors.
8代啐啄斎のとき天明8年（1788年）の大火により、表裏両千家は伝来の道具のみを残して数々の茶室はすべて焼失してしまった。