There's just something about the mix of black and wood that adds a refined, sophisticated look to bathrooms.
like tiles on shower floor and walls of shower.check out these bathroom tiles. I think it would be good in a small bath to use same floor & wall tile. This is a great example (though I won't be tiling shower)
Free standing may make it look less cramped. Reno Rumble: Week 2 house reveals - The Interiors Addict
Grey Metro tiles & wood effect tiles