An aircraft lavatory complex, comprising: a forward wall configured for facing a passenger cabin of an aircraft; a left-side door and a right-side door set into the forward wall, the left-side door adjacent to the right-side door, the left-side door and the right-side door configured to open in opposing directions; a left-side lavatory unit accessible via the left-side door and a right-side lavatory unit accessible via the right-side door; and a partition (432, 432a) repositionable between a default position and at least one deployed position and held in the default position by at least one left-side latch and at least one right-side latch coupling the partition to the lavatory complex, the partition configured for: separating the left-side lavatory unit and the right-side lavatory unit when in the default position; and enlarging one of the left-side lavatory unit and the right-side lavatory unit when in the deployed position; the at least one left-side latch configured to be operated from the left-side lavatory unit and and the at least one right-side latch configured to be operated from the right-side lavatory reposition the partition between the default position and the deployed position, wherein the partition (432, 432a) is not repositionable without the use of specialized tools available to cabin crewmembers. a forward wall configured for facing a passenger cabin of an aircraft; a left-side door and a right-side door set into the forward wall, the left-side door adjacent to the right-side door, the left-side door and the right-side door configured to open in opposing directions; a left-side lavatory unit accessible via the left-side door and a right-side lavatory unit accessible via the right-side door; and a partition (432, 432a) repositionable between a default position and at least one deployed position and held in the default position by at least one left-side latch and at least one right-side latch coupling the partition to the lavatory complex, the partition configured for: separating the left-side lavatory unit and the right-side lavatory unit when in the default position; and enlarging one of the left-side lavatory unit and the right-side lavatory unit when in the deployed position; the at least one left-side latch configured to be operated from the left-side lavatory unit and and the at least one right-side latch configured to be operated from the right-side lavatory reposition the partition between the default position and the deployed position, wherein the partition (432, 432a) is not repositionable without the use of specialized tools available to cabin crewmembers. separating the left-side lavatory unit and the right-side lavatory unit when in the default position; and enlarging one of the left-side lavatory unit and the right-side lavatory unit when in the deployed position; the at least one left-side latch configured to be operated from the left-side lavatory unit and and the at least one right-side latch configured to be operated from the right-side lavatory reposition the partition between the default position and the deployed position, wherein the partition (432, 432a) is not repositionable without the use of specialized tools available to cabin crewmembers.