www.thetimes.co.uk/article/youth-hostels-association-allow-trans-guests-to-use-female-dormitories-7qsltrjjd?shareToken=285193af5ee9dbf8e4de412e63f6f5f3
"the words “single sex” have been replaced by “single gender” on the online booking system. Women are not told that they could be sharing with a man who identifies as female."
The YHA said that the policy had been “in use since 2016 without any concerns or complaints”. One member in her 60s, said that when she complained she was told that there had been no “significant incidents”. She said: “What do they consider significant? The YHA has always been a supportive place and a choice for single women travellers. That safe space is no longer there.”