Set of elements for the construction and insulation of a building, comprising: construction elements each formed of first and second stiffening plates (12, 14) identical to each other and rectangular in shape, and with an insulating core of rectangular shape disposed between said plates and made of cork, the stiffening plates (12, 14) and the insulating core being assembled to each other, the insulating core having smaller dimensions than those of the stiffening plates (12, 14) and is centered on the internal faces of these plates (12, 14) so that each free edge of the core is internally offset and at a constant distance from the corresponding free edges of the plates (12, 14), characterized: - in that, for each building element, - the ratio between the thickness of the insulating core and the total thickness of the stiffening plates (12, 14) is between 0, 5 and 1, and preferably equal to 1, - the thickness of the insulating core is between 80 and 100 mm, and preferably equal to 100 mm, - there exist transversely between said plates (12, 14) a peripheral space free of insulating core; and - in that the set of elements comprises vertical fastening beams, making it possible to connect two building elements arranged side by side, each beam being of generally parallelepipedal shape and, when two construction elements are in contact one with the other by their long side edges, the beam extends transversely between the plates (12, 14) of each building element to fill the space left free by the insulating cores between the plates (12, 14) of said building elements. construction elements each formed of first and second stiffening plates (12, 14) identical to each other and rectangular in shape, and with an insulating core of rectangular shape disposed between said plates and made of cork, the stiffening plates (12, 14) and the insulating core being assembled to each other, the insulating core having smaller dimensions than those of the stiffening plates (12, 14) and is centered on the internal faces of these plates (12, 14) so that each free edge of the core is internally offset and at a constant distance from the corresponding free edges of the plates (12, 14), characterized: - in that, for each building element, - the ratio between the thickness of the insulating core and the total thickness of the stiffening plates (12, 14) is between 0, 5 and 1, and preferably equal to 1, - the thickness of the insulating core is between 80 and 100 mm, and preferably equal to 100 mm, - there exist transversely between said plates (12, 14) a peripheral space free of insulating core; and - in that the set of elements comprises vertical fastening beams, making it possible to connect two building elements arranged side by side, each beam being of generally parallelepipedal shape and, when two construction elements are in contact one with the other by their long side edges, the beam extends transversely between the plates (12, 14) of each building element to fill the space left free by the insulating cores between the plates (12, 14) of said building elements. - in that, for each building element, - the ratio between the thickness of the insulating core and the total thickness of the stiffening plates (12, 14) is between 0, 5 and 1, and preferably equal to 1, - the thickness of the insulating core is between 80 and 100 mm, and preferably equal to 100 mm, - there exist transversely between said plates (12, 14) a peripheral space free of insulating core; and - the ratio between the thickness of the insulating core and the total thickness of the stiffening plates (12, 14) is between 0, 5 and 1, and preferably equal to 1, - the thickness of the insulating core is between 80 and 100 mm, and preferably equal to 100 mm, - there exist transversely between said plates (12, 14) a peripheral space free of insulating core; and - in that the set of elements comprises vertical fastening beams, making it possible to connect two building elements arranged side by side, each beam being of generally parallelepipedal shape and, when two construction elements are in contact one with the other by their long side edges, the beam extends transversely between the plates (12, 14) of each building element to fill the space left free by the insulating cores between the plates (12, 14) of said building elements.