This option is the most optimal of course, if the owners of the apartment have a loggia and a balcony. The transformation of both the balcony and the loggia requires their insulation, and therefore the installation of new warm glazing. Of course, the equipment of the balcony will cost more than the arrangement of the loggia, because in the case of the balcony it will also be necessary to organize a roof, and indeed build a frame.
