Hi Mickeyg
It might be worth your while asking to speak with the social worker that is attached to your fathers consultant's team in the hospital, to see what they could help to organise, before he is discharged.
Your father might be able to go into a convalescence facility for a while, until he is better able to manage at home +/- home help for home.
Like Blacksheep said, you could pop in to talk to your local Public Health Nurse for some help also.
Here's some information re Home Help that might be useful to you:
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Nicola