"Plas Coch (also known as 24 AND 26 Well St) is a medieval Grade II Listed building in Ruthin, Denbighshire which received its listed status on 24 October 1950 by Cadw. It is of medieval origin and is a former C17 large town house. It was built in 1613 using red sandstone from the castle; it became home to the constable of the castle. The building is two-storey with attics and has four large window on each floor."@en . "15th century" . "Plas Uchaf"@en . . . . .