Anchoring device for anchoring an elongate guide element of an architectural covering, the anchoring device including: a body (12, 60, 100) having a rear surface; a receiving cavity (32, 62, 110) for receiving the elongate guide element; a first entrance (28; 64, 106) to the receiving cavity in a first orientation to the rear surface; and a second entrance (30, 66, 108) to the receiving cavity in a second orientation to the rear surface; wherein: the receiving cavity can receive the elongate guide element selectively either through one of the first entrance (28, 64, 106) and the second entrance (30, 66, 108); the second orientation is substantially different from the first orientation; the anchoring device is further provided with securing means (20, 22; 78; 102) for securing the elongate guide element inside the receiving cavity (32, 62, 110); the securing means includes a holding member (20, 78), the holding member (20, 78) being separate from the body (12, 60) of the anchoring device; characterized in that the holding member (20, 78) holds the elongate guide element, such that the elongate guide element is secured inside the holding member; wherein said holding member (20, 78) fits inside at least part of the receiving cavity (32, 62), and wherein said holding member (20, 78) can be inserted into the body (12, 60) of the anchoring device selectively in either of two different orientations, thus establishing the first and second orientation of the rear surface with respect to the elongate guide element. a body (12, 60, 100) having a rear surface; a receiving cavity (32, 62, 110) for receiving the elongate guide element; a first entrance (28; 64, 106) to the receiving cavity in a first orientation to the rear surface; and a second entrance (30, 66, 108) to the receiving cavity in a second orientation to the rear surface; wherein: the receiving cavity can receive the elongate guide element selectively either through one of the first entrance (28, 64, 106) and the second entrance (30, 66, 108); the second orientation is substantially different from the first orientation; the anchoring device is further provided with securing means (20, 22; 78; 102) for securing the elongate guide element inside the receiving cavity (32, 62, 110); the securing means includes a holding member (20, 78), the holding member (20, 78) being separate from the body (12, 60) of the anchoring device; characterized in that the holding member (20, 78) holds the elongate guide element, such that the elongate guide element is secured inside the holding member; wherein said holding member (20, 78) fits inside at least part of the receiving cavity (32, 62), and wherein said holding member (20, 78) can be inserted into the body (12, 60) of the anchoring device selectively in either of two different orientations, thus establishing the first and second orientation of the rear surface with respect to the elongate guide element. the receiving cavity can receive the elongate guide element selectively either through one of the first entrance (28, 64, 106) and the second entrance (30, 66, 108); the second orientation is substantially different from the first orientation; the anchoring device is further provided with securing means (20, 22; 78; 102) for securing the elongate guide element inside the receiving cavity (32, 62, 110); the securing means includes a holding member (20, 78), the holding member (20, 78) being separate from the body (12, 60) of the anchoring device; characterized in that the holding member (20, 78) holds the elongate guide element, such that the elongate guide element is secured inside the holding member; wherein said holding member (20, 78) fits inside at least part of the receiving cavity (32, 62), and wherein said holding member (20, 78) can be inserted into the body (12, 60) of the anchoring device selectively in either of two different orientations, thus establishing the first and second orientation of the rear surface with respect to the elongate guide element.