While the portico is undoubtedly by the hand of Palladio himself, the position of the windows is at variance with the architect's own advice in I quattro libri dell'architettura, where he warns against placing windows near the corner of a building lest it weaken the structure (the villa does in fact reveal signs of settlement here).
The portico is unquestionably Palladio's own design, but the window placement does not align with his architectural advice in I quattro libri dell'architettura. He warns against placing windows near a building's corner to avoid structural weakness (the villa displays signs of foundation settlement).