I’m guessing it’s 3500 ft.² plus.
My crude drawing shows the basement. It has a storage room at the front left, storage room at the right rear, and a 3 x 4 closet under the stairs. The green square is the chase from the basement to the attic.
The basement goes from the left of the bay window, to the right side. The left front storage room is under the area of the left side gable.
