Try keeping her confined to one room in your new place when you aren't home. As much as possible, keep your daily routine the same, since dogs and cats live for routine and changes can upset them. If your cat doesn't want to explore her new home, don't force the issue. She'll explore on her own as she becomes more comfortable. Keeping her in one room with familiar furniture will help her become more relaxed.
Most cats adjust pretty quickly to new surroundings as long as their family remains intact.
Some skittish cats may take a little longer, but they will eventually come around. For more tips on moving with your pet, see Tips for Moving and Traveling with Your Pet .