The origins of the Stone Bell House date, according to the latest constructional and historical researches, from the second half of the 13th century. The oldest building phase is preserved in the cellars and on the ground floor of the south wing. The second building phase followed in about 1310. The typical house sign was placed at the corner of the building in the 16th century. After 1685 and in the 18th century baroque adaptations of the building took place. Restoration was finished in 1988 and the City assigned the building to serve as the GHMP exhibiting space for its important exhibition projects.