Smallest space I have used for a three pc bathroom was 5 ft by around 7 ft.
Yours would need an outswing door, for certain, and there would be not enough room to sit on the toilet or stand in front of the sink, in my opinion.
Yours would need an outswing door, for certain, and there would be not enough room to sit on the toilet or stand in front of the sink, in my opinion.