Designer of buildings (9)
I believe the answer is:
architect
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">designer of buildings</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 architect that I've seen before include "professional" , "Building designer" , "Designer of buildings" , "Perhaps Scott" , "Wren perhaps" .)