Rooftop paving assembly for cars, comprising a number of tiles, which are arranged substantially in a substantially horizontal plane and are suitable for supporting cars, wherein each tile has a top, a bottom, side surfaces, and at least one engaging surface, a coupling element arranged between at least two adjacent tiles of the number of tiles, wherein the coupling element engages on a respective engaging surface at the side surface of each adjacent tile, a positioning element arranged under the coupling element and supporting the at least two adjacent tiles, the positioning element comprising a plate and at least one upright wall (43, 44, 45, 46), wherein the plate extends parallel to the substantially horizontal plane, and comprises a placing side and a bottom, and wherein the at least one upright wall extends upwards from the placing side of the plate between the at least two adjacent tiles, and a support element arranged under the positioning element and on a rooftop, the support element having an upper support side with a wide recess which receives the positioning element such that the upper support side of the support element is flush with the placing side of the plate for jointly receiving the bottom of the at least two tiles, and an underside which rests on the rooftop, whereby the positioning element comprises a protrusion extending from the bottom of the plate of the positioning element, the support element comprises a small recess extending from the wide recess, the small recess is smaller than the wide recess in a horizontal direction, the small recess receives the protrusion, the rooftop paving assembly comprises connecting means which are at least partly embedded in the protrusion of the positioning element, and the connecting means attach the positioning element to the coupling element. a number of tiles, which are arranged substantially in a substantially horizontal plane and are suitable for supporting cars, wherein each tile has a top, a bottom, side surfaces, and at least one engaging surface, a coupling element arranged between at least two adjacent tiles of the number of tiles, wherein the coupling element engages on a respective engaging surface at the side surface of each adjacent tile, a positioning element arranged under the coupling element and supporting the at least two adjacent tiles, the positioning element comprising a plate and at least one upright wall (43, 44, 45, 46), wherein the plate extends parallel to the substantially horizontal plane, and comprises a placing side and a bottom, and wherein the at least one upright wall extends upwards from the placing side of the plate between the at least two adjacent tiles, and a support element arranged under the positioning element and on a rooftop, the support element having an upper support side with a wide recess which receives the positioning element such that the upper support side of the support element is flush with the placing side of the plate for jointly receiving the bottom of the at least two tiles, and an underside which rests on the rooftop, whereby the positioning element comprises a protrusion extending from the bottom of the plate of the positioning element, the support element comprises a small recess extending from the wide recess, the small recess is smaller than the wide recess in a horizontal direction, the small recess receives the protrusion, the rooftop paving assembly comprises connecting means which are at least partly embedded in the protrusion of the positioning element, and the connecting means attach the positioning element to the coupling element.