Central courtyards (5)
I believe the answer is:
atria
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">central courtyards</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for atria that I've seen before include "Lobbies" , "Central courts (in ancient Rome or shopping arcades)" , "Central areas in buildings; open to the sky" , "entrances" , "Open-roofed courts" .)