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.
The corner sink can be a clever plumbing option in a tiny powder room or oddly shaped master bathroom. A high backsplash and curvaceous bowl give this model from Claw-foot Supply a luxurious look that belies its practicality in cramped quarters. It's 29 5/8 inches wide by 11 1/8 inches high by 26 1/2 inches deep. $590