inside, the bathroom's walls, floor, and single sunken bathtub are all made of white marble, lit softly by a candle-filled chandelier that impressed Harry on his first visit. The rectangular tub is the size and depth of a swimming pool, and even has a diving board, but unlike an ordinary pool the tub is lined with about a hundred taps, each with a differently colored jewel set into the handle. Each tap automatically releases not only water, but bubble bath (a different kind of bubble bath for each color-coded handle). A pile of fluffy white towels are kept in one corner.

a curious closet filled with cleaning supplies that never look as if they'd been used. It is usually kept locked, though the odd student or two has been found inside it's walls.

the small classroom in which the ancient runes class takes place. The room is rather dark with only one small window to let in sunlight.