Dear Mandy I was able to find a 'befriender' for Dad through Age UK and the local Time Bank of volunteers. They found someone who visits once a week to have a beer with Dad or take him out to his local pub if he feels up to it. I found another befriender through a local church group and she takes Da...
Have a look at the Chum's online catalogue: http://www.chums.co.uk/menswear/trouser ... d-trousers
I've bought trousers for my 99-year old father from here and he seems to like them. He is similarly fussy about what he wears and the need for 'easy access' for the bathroom!
good luck.