Hospital rooms (5)
I believe the answer is:
wards
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hospital rooms</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for wards that I've seen before include "Hospital rooms" , "Hospital divisions" , "Charges" .)