oh dear wrote:
cannot get any answers from him
If the reason he has not been able to deal with these issues are due to a rapidly deteriorating mental health capacity, then seek advice from the specialist teams at Shelter. It could well be that all the COs can be reversed, especially if he was not capable of understanding them.
Depending on how much eqity there is in the property, even by selling it it may not cover all the debts and resultant charges/interest.
To find out what CO's there are on the property, and you can do this on-line as well.
https://www.landregistry.gov.ukTim