To provide a safety device capable of suppressing contact between a vehicle stopped in the garage and a hinged door for having access to the garage.

A house 10 comprises a habitable space such as a corridor 13, the garage 15 adjacent to the corridor 13, an entrance 22 which makes the corridor 13 and the garage 15 communicate with each other, and the hinged door 23 capable of being opened/closed with respect to the entrance 22. The garage 15 is provided with a storage sensor 36 for detecting that the vehicle 16 is put into the garage, and the hinged door 23 is provided with a touch sensor 35 for detecting that a dweller and the like touch an inside handle portion 25 for opening the hinged door 23. When the storage sensor 36 detects that the vehicle 16 is put into the garage 15 and the touch sensor 35 detects that the dweller and the like touch the inside handle portion 25, a warning is issued from a monitor 41 and a speaker 42.