I've just listened to the segment in 'Making History', its a significant aspect and relevent today.
www.bbc.co.uk/programmes/b0b9ws9x
"Iszi Lawrence is in Fitzrovia with writer, broadcaster and Victorian historian Kathryn Hughes to find out why the lack of public toilets meant women were so inconvenienced in the Victorian and Edwardian period. What lay behind the then-accepted notion that women shouldn't "go" in public?"