It is important that you tell us about evidence which may not have been available previously, or explain why the building’s special interest may have been overlooked.
Mae’n bwysig eich bod yn dweud wrthym am dystiolaeth y mae’n bosibl nad oedd ar gael yn flaenorol, neu esbonio pam mae’n bosibl bod diddordeb arbennig yr adeilad wedi’i ddiystyru.