You have a dirty decal on the 3rd, 4th and 5th pics from the top that are on the wall as much as the wooden pillar and to me are really flattening the image. They match up so evenly that it almost looks like you threw it on as an overlay in Photoshop post render.
The wood texture of your materials is overpowering the shapes they are applied to. The exclusion to this is the floor. While it has a pretty obvious tile, the shapes of the floorboards are not dominated by the grain of the wood. It's also really scratched up in a uniform fashion (and so high on the wall). You used decals…