Polite form of 部屋, used when referring to someone else's room or in formal contexts.
See also: 部屋
I will show you to your room.
Polite way to refer to someone's apartment or flat; often used by real estate agents or in formal conversation.
I cleaned your room.
How is your new apartment?
I will help you look for an apartment.
Polite form of 部屋; the most common spelling.
Honorific prefix 御 is usually written in kana; this kanji spelling is rare and formal.
Polite prefix お + 部屋 (room).