The New Building (in Hungarian Újépület, in German Neugebäude) was a fortress located in Pest as a jail.
The construction of the building surrounded an immense rectangular courtyard in 1786 began under direction János Hild.
After the death of Joseph II the work was not yet completed, and the outbreak of the Napoleonic wars in the meantime hindered the continuous construction.
Count Ferenc Széchenyi the former spokesman of the Court has done against the planned sale, since the construction of the money received from Joseph II (assets of the Hungarian priesthood confiscated).
The sale was not the case, however, the continuation of construction were captured in 1814, and when the building is finished, the barracks became to the newly organized Fifth Artillery Regiment.