Building of German Bundesrat in Berlin. The Bundesrat is one of the five constitutional bodies in Germany. The federal states participate through the Bundesrat in the legislation and administration of the Federation. Building is former Prussian Jouse of Lords and was in 18th century industrial palais. Later it was modified and enlarged for House of Lords by architect Friedrich Schulze in 1904. Nowerdays Bundesrat is inside in Leipziger Street.