Anybody avid or occasional National Trust visitors?
The National Trust now issues a yearly "admit one" card for disabled people to take an essential companion or carer into NT properties free of charge (whist you still pay for yourself). The card isn't named, so you are not limited to the same companion all the time.
It saves having to show proof every time you go into a NT property, which is nice.
Of course, if you are an NT member, it means that both and your carer get free admission.
Just a small and simple way to make life a little bit easier.