Enter the house through the door with the Welcome mat. Go up the stairs on the left. When faced with two directions of steps, turn left. Go up the first set of steps and wait by the window.
Go inside and up the stairs on the left. When you pass the statue on the left. Turn left and go up the steps. Wait there.
Enter the house, and turn left walking up the stairs. Keep walking up the staircase until you see another set of staircase on the left. Turn left, and stand on top of the stairs near the white ventilation on the wall on the right.