Cat litter box enclosure with shelving

Litter box cover (enclosure) with a storage shelf. Walnut (color) 2 weeks old, newly assembled, too large for apt, doesn't fit in my space. Fully assembled cat litter box enclosure with a top shelf and a silver metal bar on one side (to hang stuff or w.e purpose). Door Opening for the cat to get in and out. Height (entire piece overall): 25.04 inches Width (entire / overall): 19.09 inches The inside measurements: Height for the enclosure where the little box will go: 18.23 inches Width: 16.54 inches Depth: 18.35 inches The size of the door opening The opening is 8inches in height and 7inches in width. It is already assembled & ready for pickup.