Room or space under a roof (4)
I believe the answer is:
loft
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">room</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">space under a roof</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for loft that I've seen before include "Roof space area" , "Send ball in a high arc - in a barn?" , "Raised shelter for pigeons" , "Backward slope in face of golf club" , "Place for keeping racing pigeons" .)