As a primary school aged child we lived at the top of a large multi-occupied house. Bathroom was about three floor down. As the only running water in our four attic rooms (apart from that running down the walls) was a tiny corner sink on the landing with a cold tap, - had to go to large shared, bathroom to get ready for bed each night. Bath had geyser - which had to be fed with money. Most nights I had a bath.
Can remember that I used to wear large, baggy navy knickers - and Mum always insisted that I had a smaller pair of white ones underneath. The navy ones were changed weekly, the white ones every three of four days.
Once I went to Grammar school - and by then we were living in a Council House and had our own bathroom, the gym slip shapeless garment) was sent to dry cleaners during school holidays, but sponged down by Mum every weekend. OF course, as soon as I came home from school, I had to change out of this into more easily washable clothes.
Socks were changed (I think_ every 2-4 days, but shoes cleaned every night. Even when I started going to work, at the age of 15 yrs, the idea of changing my outer clothes every day did not occur to me. I changed clothes when they started to look grubby - not before. And underwear usually twice a week.
Of course, this was all way before home washing machines, my Mum went out to work, and all laundry was carried out via the bagwash - and one bag a week for Mum, Dad and me was considered normal, plus a once a month 'Best Wash'.
Think it was in the early 1960s that I started to realise the need to change underwear every day, and outer wear at least every 2-3 days.
Think it was in the mid-150's that deodorants arrived and we all suddenly became more aware of body odours.