flooring is epoxied concrete walls are a pale neutral grey the fireplace mantel is a cream coloured open cast concrete change the sofa to tan leather change the armchairs to medium grey fabric add decorative objects on the shelves flanking the fireplace make the tv wall mounted add decorative objects on the console table behind the couch add a tall plant on the floor between the window and the shelving behind the far side of the couch add a small ottoman in the corner between the fireplace and the tv stand