Keret House is a project by Jakub Szczęsny of Centrala. And is soon to be built in a narrow void between the buildings in the district of Wola, Poland.
"Keret House is said to have an interior that will vary between 122 centimeters and 72 centimeters, making it an extremely narrow crib. With a total area of 14,5 square meters, the new house will accommodate a workspace as well as a guest studio."