Vertical formwork comprising at least - a front formwork panel and a rear formwork panel arranged facing one another, - a threaded tie rod which is fixed to both formwork panels (2, 3) in a final assembly position of the vertical formwork, - a front anchor which fixes the tie rod to the front formwork panel in the final assembly position, and - a rear anchor which fixes the tie rod to the rear formwork panel in the final assembly position, the front anchor comprising - a nut configured for being screwed onto a first end of the tie rod, and - a stop element crossed by the tie rod, the stop element being a tube configured for swiveling in a through housing of the front formwork panel together with the tie rod during assembly and indirectly abutting with the front formwork panel when it reaches a final assembly position corresponding to the final assembly position of the vertical formwork, such that the stop element cannot move beyond its final assembly position, characterised in that the vertical formwork comprises a spacing tube crossed by the tie rod which is arranged between both formwork panels (2, 3) in the final assembly position, and an intermediate bushing crossed by the tie rod and which is arranged between the stop element and the spacing tube, the intermediate bushing comprising at one end a section which is housed in the spacing tube, the intermediate bushing also comprising a perimetral ring after said section, the spacing tube being supported on a supporting surface of said perimetral ring and the other end of the intermediate bushing being supported on the stop element, the intermediate bushing having a maximum outer diameter equal to or less than the outer diameter of the stop element and being substantially cylindrical along its entire length, the stop element being arranged between the spacing tube and the nut, the stop element acting as a stop of the spacing tube when it is arranged in its final assembly position, and the vertical formwork being configured for being assembled by means of introducing the tie rod together with the spacing tube and the stop element through the through housing of the front formwork panel so as to fix the second end of the tie rod to the rear anchor previously placed in the rear formwork panel, the front anchor then being fixed to the front formwork panel, where the tie rod can swivel in the housing during assembly. - a front formwork panel and a rear formwork panel arranged facing one another, - a threaded tie rod which is fixed to both formwork panels (2, 3) in a final assembly position of the vertical formwork, - a front anchor which fixes the tie rod to the front formwork panel in the final assembly position, and - a rear anchor which fixes the tie rod to the rear formwork panel in the final assembly position, - a nut configured for being screwed onto a first end of the tie rod, and - a stop element crossed by the tie rod, the stop element being a tube configured for swiveling in a through housing of the front formwork panel together with the tie rod during assembly and indirectly abutting with the front formwork panel when it reaches a final assembly position corresponding to the final assembly position of the vertical formwork, such that the stop element cannot move beyond its final assembly position,