Built by
Georg Friedrich von Veldten (1770–87).
Giacomo Quarenghi designed the Raphael Loggia running along the
Winter Canal (1787–92). The first floor was an exact copy of the gallery with Raphael’s frescoes in the Vatican. Used for meetings of the State Council and the Cabinet of Ministers, while the upper lodge was reserve private quarters (19th century).
Heinrich Stackenschneider replanned the interiors (1851–60).