A perfect example of maximising space with a shipping container home and I can see this sort of space being utilized in many towns and cities where people can’t vision something fitting into a gap.
This was built by architects Pieter Peelings and Silvia Mertens of Sculp(IT). Who reside in the containers as a workspace and home. Ground floor being the work floor, 1st being dining, third relaxation and sitting room. Finally reaching the 4th level with great views and a spa. Although not giant at 2.4m wide and 5.5m deep it does give a practical, functional property that slots in to the smallest of spaces.