What happens when he arrives at Heathrow ?big problem ,you need to find a care home that will take him,and they are difficult to find ,as they’re all full of elderly sufferers and you need to wait possibly 6 months to get him in. My mum who had her own place to live had to wait 6months to find a care home ,and sort out the monthly payments for care ,she was there 2 years until she passed on
the monthly payments will be a problem