Go for impact! With an iron canopy bed as dramatic as this one, no one is going to notice the lack of square footage in the this elegant bedroom.
My Domaine
Go for illusion. The crisp vertical lines in this room - the drapes, and stripes on the fabric - all draw the eye up to the amazing ceiling, and give the illusion of an airy space.
Go for cozy. Layer fabrics and textures and paint the walls a warm, saturated hue. This will make it apparent you wanted to embrace your small, intimate bedroom.
Go for light. A mirrored wall might make some shudder, but give it another look. Mirrors give you double the light effect when placed correctly because they reflect it so well. I always try to place a mirror on the opposite wall from the windows when I can. Imagine waking up in your bedroom filled with morning sunlight!
Go for multifunctional. An old trick but a good one. A headboard that also acts as a book shelf provides more opportunity to add style and function to a small bedroom.