A polite way to refer to someone else's home or family (honorific).
おうちにお邪魔してもよろしいでしょうか。
May I come to your home?/May I visit your house?
おうちの方によろしくお伝えください。
Please give my regards to your family.
おうちでお待ちしています。
I'll be waiting at your home.
A child's or intimate speaker's word for their own home (casual, affectionate 'home').
ただいま！おうち帰ったよ。
I'm home! I came back home.
おうちでお昼ごはんを食べよう。
Let's have lunch at home.
遊びに行ったあとで、おうちに帰る時間だ。
After playing, it's time to go back home.