Before Ester Bruzkus Architekten transformed the top-floor apartment into a cozy home for a Berlin couple, the empty apartment had floor-to-ceiling windows on two sides and exposed concrete walls on the other sides. Rather than create a series of conventional rooms that would close off the sense of openness, a single millwork box was positioned away from the walls to make rooms between it and the existing walls.  Photo 1 of 17 in A Big Green Box Adds Flair and Function to an Open-Plan Berlin Apartment

A Big Green Box Adds Flair and Function to an Open-Plan Berlin Apartment

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Before Ester Bruzkus Architekten transformed the top-floor apartment into a cozy home for a Berlin couple, the empty apartment had floor-to-ceiling windows on two sides and exposed concrete walls on the other sides. Rather than create a series of conventional rooms that would close off the sense of openness, a single millwork box was positioned away from the walls to make rooms between it and the existing walls.