Nightmare scenario DO NOT even think of it
Court would never order it of their own volition
Think you could never borrow against the property as part owned by C's trust!!
even if the interest is kept off the title because solr acting in any remortgage is under a duty to report to mortgagee
I have experiance of a case where we had to try and sort out massive problems caused by this sort of arrangement. The order was approved by a deputy DJ not experianced in family law where both parties had no solicitors.
Sometimes H who likes to "control" tries to demand this type of arrangement!!!