At 8 you may not know if your child is NT or has SN. It is a common age where development finally slips sufficiently behind "normal" for schools and professionals to begin investigating and finally taking parental concerns seriously.
I don't know if my 8yo is NT or has SN or quite what they may be. I do know that I've been banging my head for years as my 5yo gains skills quicker than his older sibling, and that school has been holding us back for years on things like dyslexia testing when DS in y3 still hasn't met his yR target for correctly writing his name.
It feels like a bloody cheek to attempt to use a disabled area on a "I think my opposite sex child has some kind of dyslexia/ dyspraxia/ ADHD/ ASD disorder that means that they are too disorganised and faffy to reliably change themselves unsupervised".
Hopefully when my younger DS is 8, he will be competant to change independently, plus he is likely to be accompanied by his older sibling with an extra couple of years of maturing.
I have been trying to train my 8yo a good while before his 8th birthday, but he is an anxious child, resistant to change and gets lost in his own thoughts. Swimming areas are full of sensory overload (noise and humidity) and I really don't want to trigger meltdown by exceeding his limits.
I still can't say that he isn't NT though.
The room we use is a female family room, seperate to the main female comunal/ cubical facilities. I'm hoping that starting lessons with school might boost his organisation skills because he's just not picked them up from me despite years of effort. I don't do it for him, but he does need prompting as he just doesn't pick up logical routines. The cubicals in the changing village zone are too small to supervise both DCs as obviously my u8 needs supervising too. Standing outside giving prompts is too stressful for DS and counter-productive.
I remember being y6 and regularly being the last to be dressed and sorted at the school swimming lessons and being ushered out of the door by teachers. I don't think I would have been competant to be left unsupervised at 8 either.