More suggestions, courtesy of Buzzfeed.com, for transforming empty or unused closet spaces:
Need more seating in a small-ish playroom? Consider adding a long cushion to a lower shelf (after reinforcing it to hold the appropriate amount of weight, of course), and then dot the cushion with a few colorful throw pillows, a couple of stuffed animals or a combination of both. You may also want to install a tiny ladder or stepstool to help smaller children up to the seating shelf.
Changing tables for a baby’s nursery are often fashioned by adding a substantial, specially made cushion (with washable fabric) to the top of a waist-high dresser. However, sometimes the dresser can get in the way – which is a good reason for moving the dresser-top changing station into the closet. Add some shelf units on either side (as well as a mirror over the dresser to give the illusion of space), and you should have plenty of room to store much of your nursery’s paraphernalia.
To create a reading nook for a smaller child, keep the closet as is, complete with hanging clothing (which shouldn’t hang too low due to the toddler’s modest height), and add a furry rug and a couple of pillows to the floor. Install a set of Printed Cotton Curtains, held open as needed by a simple Tassel or Tieback, and the child will have a secret space all his or her own.
For horizontal closets that are extra deep, try measuring to see if a twin bed might fit in the space. This could be an especially effective use of the space if the opening for the door is relatively small, allowing for plenty of coziness and privacy near the head of the bed. This is another instance where a curtain or set of shades would be ideal for the door opening, as the movement of air would assist in getting a good night’s sleep.