I'm thinking something akin to this for the loft stairs, except with another loft on the other side and the second set of stairs meeting in the middle. "A 355 square feet tiny house on wheels in Felton, California. Designed by Molecule Tiny Homes.
One Tiny House Enthusiast Creates Her Own Petite Palace
Tiny House by BF Architects. This tiny house on the banks of the Eel river in Plymouth is less than 400 square feet and has a kitchen, full bath, living room, sleeping loft and screen porch! George Canavan of Plymouth was the builder.