block of flats

block of flats とは一棟のマンションのことです。1:55 we didn't want to live in a block of flats where a lot of people were away. 人気の無いマンションには住みたくなかった。

London's Luxury Retirement Complexes | FT World
https://www.youtube.com/watch?v=doSwGLWJerI  0:29 a block of flats teeters on the brink of collapse. 集合住宅一棟（ひとむね）が今にも崩れ落ちそうだ。 North battered by storm

参考リンク
https://www.youtube.com/watch?v=lDvKP4-m_p8  1:04 one bedroom flat = 1 bedroom house/apartment
Floating Home | George Clarke's Amazing Spaces | Channel 4

練習問題解答
a-4649 a block of flats
a-9017 a block of flats
a-9058 a block of flats
b-1738 a block of flats
b-1789 on a block of flats