Factories of cloth and of soaps, mills of oil, ovens of bread, ceramic industries and artesanas This economic activity reverberates in the urban structure, which will accommodate inside his traditional limits the increase of the population; consequently, there is in use the totality of the urban available soil, they eliminate free spaces, the number of plants is increased, the number of housings is increased: Alcañiz is saturated.
The parents escolapios take charge of the Valerianos school, extend his facilities and construct the Church and his small Mudejars tower. Anastasios priest directs the works of constructions of the convent of San Francisco, of which only the church persists.
During the 18th century there are carried out the most important works of destruction of the history alcañizana: the Gothic church and part of the castle calatravo; action compensated by the later rebuilding of two works of notable architectural interest: the current parish of Santa Maria and the impressive mass of brick used now as National Parador.
This epoch formed the old town as we know it today: of narrow streets, dense and multicolored: and it incorporated one of the visually more dominant elements of the fronts of the buildings: the balcony, beautiful expression of the participation of deprived in the public thing, and of that the exterior space has transformed his aggressiveness into amiability with the civic movement of his peoples: commercial activities, walk, processions.