During its history the building of the North building was used for various purposes. In the beginning is the arms factory shop. Then he was stationed officers cadet school. In Soviet times it was the headquarters of the organization of various activities and ministries. In the nineties it was the temporary Residence of the President of RT. Now the Executive building of the office of the President.

During the last restoration of the Gun court in 1997-99, the building was returned to the appearance of late 18th - early 19th centuries.

A two-storey symmetrical building with a basement attached to the North Eastern projection of the housing. Before building a large terrace with stairs on the sides. Terrace balustrade protects. The stairs are decorated with flowerpots. High plinth with arched Windows. The first floor has a rust finish. Second floor with rectangular Windows. Floors are dvukhpolosnykh cornices. In the center of the cap the front portico, formed by six pilasters. On them rests the pediment. In the center of the pediment is fashioned the coat of arms of the Republic of Tatarstan.

Roof enclosed by a balustrade with vases. On the sides of the ridge of the roof mounted flagpoles. Over the building of the waving of flags of the Russian Federation and the Republic of Tatarstan.