"The wards," Bellatrix whispered in her ear. "You can tell the age from the runes they used." Hermione gasped, gaping as she stared at the mansion’s walls. She reached out, her hand tracing over the curving marks. What was now the eastern wing seemed to be oldest, engraved with the symbols and characters of the Dumnonii. They gave way to Greek and Latin as one came upon the extending curve. The middle was carved with Futhorc, the runes of the early Anglo-Saxons, though the columns were clearly a later addition, engraved with a mid-renaissance attempt at Greek and Latin. The western wing had been added just after the centre, covered largely in Futhorc before it gave way to Younger Futhark. The far west must have been added in the Celtic Revival of the 16th century, covered as it was in Ogham.