A modular fitted flooring system includes a plurality of bearing plates (2) and a plurality of panel elements (3) designed to be hooked onto the bearing plates (2), the bearing plates including a plurality of supporting elements (7), a panel hooking element (13), and elements (14) for bearing the load of the panel elements, and being complete with jointing elements (20, 21) for connecting one bearing plate (2) to the next, the panel hooking element (13) consisting of a plurality of teeth designed to engage in grooves (17) provided on at least two edges of the panel element (3), the teeth (13) being arranged on the plate so as to create a gap between one panel element and the next in a direction (Y) crosswise to the direction of installation (X) of the panel elements.
