Large property (6)
I believe the answer is:
estate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">large property</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 estate that I've seen before include "Group of suburban houses or industrial units" , "Place for tea or coffee" , "Area of landed property" , "Nakedness" , "Extensive landed property (6)" .)