 There is a symmetric staircase with four flights of stairs and a balustrade in the centre of the back façade.The main yard is located in front of the house, a pompous beautiful railing separates the yard from the Moyka embankment.The scientist and memoirist Yakob Shtelin wrote in his Notes of Arts in Russia about the unique iron portico, which the owner of metal-industry factories Nikita Akinfievich had set at his house on the Moyka embankment between both driveways to the yard from the street.