Perhaps the kitchen is your bete noir? If it is you can do a lot with some new blinds and lampshades. Try some potted plants on the window ledge this can brighten most kitchens. If the paint-work really is past its prime then you need to decide whether you need a whole new paint job or whether you can get away with touching up the doors and base boards. If your bedroom needs a face-lift then try some new bed covers and toning curtains. Add a few cushions to your bed and you immediately have a more luxurious look.
Decorative wall shelves can be bought already put together. This sort of package includes the top of the shelf, the brackets, and even matching screws. Buying shelving like this is probably the most popular way to go. These pre-packaged decorative wall shelves are simple and leave no room for error. Just check some of them out at your neighborhood hardware or home improvement store, you may be pleasantly surprised with how easy they are to install.