The VOA would have considered rooms A and B to be contiguous and form one hereditament, but not room C, which would form a separate hereditament.
Byddai Asiantaeth y Swyddfa Brisio wedi ystyried bod ystafelloedd A a B yn gyffiniol ac yn ffurfio un hereditament, ond nid ystafell C, a fyddai'n ffurfio hereditament ar wahân.