One's Own Room
An individual room just for you is your own private room. How nice!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
When you have small kids, the existence of izakaya with private rooms is appreciated.
Koichi's been living in a shared house without his own room for more than five years now.
I reserved a private room for our year-end party.