For example, a building might be considered for an Architectural interest listing if it is deemed as being nationally important for its architectural design, decoration, and craftsmanship.
Er enghraifft, gellir ystyried rhestru adeilad ar sail diddordeb pensaernïol os bernir bod ei gynllun pensaernïol, ei grefftwaith a’r modd y mae wedi’i addurno o bwysigrwydd cenedlaethol.