One is a drawing made in 1534 by Cornelius Vermeyen which shows a rectangular building, medieval appearance that was structured around various dependencies like the Capilla Real de los Trastámara, the Patio del Rey to the west and the Patio de la Reina to the east.
Nekaj podrobnosti o notranjosti palače so znane, obstaja tudi nekaj dokumentiranje o vrtovih in zunanjosti.