Make your baseboard more dramatic.add small pieces of trim to the top of existing baseboard, add a few inches and add another piece of moulding. Paint the wall and trim white. Did this with crown molding.would be great for baseboards in some rooms.
Staircases take up a lot of space, so why not use them for storage as well. Imagine each step is a box with a hidden drawer in it still allowing for additional storage or home office space beneath the staircase.