The phrase "inside the house" refers to being within a building or structure, typically one's own home. It can also refer to an area or location that is enclosed and protected, such as a room or sheltered space.
I have to make this reference, «The calls are coming from inside the house!». (slickstermagazine.com)
This is why you should keep your cat inside the house for a minimum of two weeks after the cat has been brought to the new home. (frankiesfelinefund.org)
Lots of you who cast ballots inside a house of worship today were bothered by it. (religion.blogs.cnn.com)