What are your thoughts on something like this for your storage wall between the middle room and sitting room? (we can design it so that each of the compartments has a particular purpose for your specific objects)
Wooden slats as bannister. Wohnhaus W. by Berschneider+Berschneider Architekten. lovely wood detail to allow light to transfer through into the lower staircase What a simple yet amazing way to treat a stairway!