Roof edge (5)
I believe the answer is:
eaves
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">roof edge</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 eaves that I've seen before include "what might constitute a hangover?" , "Overhanging roof edges" , "Overhanging part of roof" , "Overhanging edge of roof" , "Section of roof" .)