The door on the right is a closet, or storage door. The door on the left is a normal door. (There's one like that in my house.) If you look at the other images in his gallery at CGTalk, he's perfectly capable of "good lighting" and producing the same level of realism. It's not the textures, or the modeling, or the light. It's the way he brings them all together. It doesn't hurt that he uses real faces, either, with all their imperfections.