If I marked it correctly, the whole building https://www.openstreetmap.org/way/382905584 (i.e., obviously, the upper part https://www.openstreetmap.org/relation/17830235) has roof:shape=quadruple_saltbox, but the ground floor obviously has no roof on its own. If I remember correctly, this rendering https://demo.f4map.com/#lat=54.0552504&lon=14.9291646&zoom=19&camera.theta=47.005&camera.phi=12.319 is good.