Well done. The lighting really is spot on and looks very natural. Some of these renderings basically look like photos to me.
Just FYI since you are already creating these kinds of indoor scenes with natural light flooding in, you may also want to check out some of the even more advanced tips our user @Vlad_Moldovan offers: Video Tutorials: Modulus Render / Vlad Moldovan (In case you haven’t cooperated some of his ideas already)
His tips and tricks show an alternative additional approach to how you handle lighting in your scenes, you may find it interesting! 