Apartment block (8)
I believe the answer is:
tenement
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">apartment block</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tenement that I've seen before include "Rundown house with many occupants" , "Run-down apartment house" , "Holding" , "Permanent property held by tenant" , "Scots maybe in this dwelling" .)