Created :: Igor Nevestenko
Soft :: Cinema 4D | Corona Renderer | Photoshop
More :: https://www.behance.net/gallery/43402913/iN-apartment-25-sqm
Hi, the lighting and materials seem ok but your DOF is way too strong! In the real world, I don’t think you could achieve from such a distance so much DOF.
Now the result is like you took a photo of a small model instead of real world room. 
Thanks,
Dionysios -