 Between the beginnings of the works of the palace in 1576 and the new agreement, had released new ideas in the world of the architecture in Italy.Solutions that gave Mazuecos for the location of the hallway and size and position of the playground and for the construction "of the" cover were inspired by the Treaty of Sebastián Serlio, Of the Antiquity, Third Book.Pedro de Mazuecos was one of the most influential architects inside the Valldadolid classicistic focus.