Construction element for raised floors and the like and manufacturing method thereof, which relates to a construction element for both indoor and outdoor raised floors and the like, characterized in that it is made up of a rigid component reinforced by a polymeric matrix composed of a resin, in a percentage by weight comprised between 80 and 95% of the total weight, combined with a catalyst, the percentage by weight of which being between 5 and 20% of the total weight, which has a filament fiber mesh completely embedded within, the proportion by weight of the embedded mesh being less than 50% relative to the assembly formed by the polymeric matrix plus mesh, and a method for the manufacture thereof. A method for the manufacture of said element is also described.