a hinged full length mirror from IKEA (Stave mirror - that is x hides jewelry storage -- brilliant idea from The Girl on the Go! I would use a thin sheet of plywood cut to fit behind the mirror so I don't put so many holes in the wall.
IKEA Hack: DIY Command Center with Storage and Chalkboard. It started as 3 Expedit shelving units from IKEA but when turned on its side, it offers a great storage and organization center that makes a perfect command station
Built-ins for office. Built ins define an entry via BHG. DIY Built-in IKEA Bookshelves: "Built-in bookcases not only add a ton of character and storage, but they really can make a small house feel so much bigger!