Pinned for the idea. Not sure how much I like the extension over the toilet. If were to do, vanity top should be one piece, with no cut line. Also: Consider how much the extra counter space would be needed.
A stacking washer and dryer are great for smaller spaces and make room for a built-in ironing board and additional storage — household cleaning supplies, central vac hose and broom closet. I love this laundry room