‘4) Before making any decision with respect to a child whom they are looking after, or proposing to look after, a local authority shall, so far as is reasonably practicable, ascertain the wishes and feelings of— (a)the child; (b)his parents; (c)any person who is not a parent of his but who has parental responsibility for him; and (d)any other person whose wishes and feelings the authority consider to be relevant, regarding the matter to be decided.’