Cement floors, white brick, old windows, Clumsy mirrors behind lounge. I kind of like the idea of putting throws into a basket beside the lounge like that! Your house would have to be pretty neat so to avoid it looking like a laundry basket.
dark walls dark sofa, consider your furniture colors when selecting a wall color. This sofa blends into the walls even though it's a bluer/cooler gray than the walls. More contrast in the colors would set off the sofa.