Autocad. san gregorio staircase of valladolid; spain. 1.20m double section. wooden railing. the structure of the building and the interior; it has essentially retained its original layout; articulating around a large central patio; although it should be noted that it has undergone some modifications as a result of the confiscation and its subsequent conversion into a sculpture museum. the building is accessed through the study patio. inside; a large central courtyard with a square plan with two heights joined by a wide staircase whose box is profusely decorated based on a mixture of styles: late gothic; mudejar and renaissance; that give it an eclectic style of great detail. we can conclude by pointing out that the colegio de san gregorio in valladolid is one of the best examples of late gothic in the peninsula; offering us an extraordinary elizabethan gothic façade in which the influences of the artistic currents of the moment are shown: the gothic; the mudejar and the renaissance.