An arrangement comprising: a collapsible ladder comprising at least two ladder sections (6, 5a-5j) and where each ladder section comprises two ladder tubes (10, 12) arranged parallel to each other and interconnected by a rung to form the respective ladder section, and where each ladder tube (10, 12) is telescopically inserted into a ladder tube (10, 12) of a lower ladder section to form the collapsible ladder, wherein the ladder tubes (10, 12) of the lowermost ladder section each are arranged with an end portion, and a stabiliser system (150; 160; 170; 180), wherein the stabiliser system (150; 160; 170; 180) comprises: at least two first bracket sections (1 10a-b, 112a-b; 120a-b, 122a-b) each arranged to receive a respective ladder tube (10, 12), and two elongated portions (130a-b) being connected to at least one first bracket section (110a-b, 112a-b; 120a-b, 122a-b), wherein each elongated portion (130a-b) is configured to be arranged in a retracted position and a deployed position, wherein each elongated portion (130a-b) comprises an end portion (136a-b) configured to be in contact with a support surface when the elongated portion (130a-b) is in the deployed position, wherein in the retracted position, each elongated portion (130a-b) is arranged substantially parallel to the respective ladder tubes (10, 12) and the end portions (136a-b) of the elongated portions (130a-b) are arranged in a position that is lower than the position of the end portion of the ladder tube (10, 12), and wherein the elongated portions (130a-b) each are arranged to be maneuverable between the retracted position and the deployed position by a foot of a user of the ladder. a collapsible ladder comprising at least two ladder sections (6, 5a-5j) and where each ladder section comprises two ladder tubes (10, 12) arranged parallel to each other and interconnected by a rung to form the respective ladder section, and where each ladder tube (10, 12) is telescopically inserted into a ladder tube (10, 12) of a lower ladder section to form the collapsible ladder, wherein the ladder tubes (10, 12) of the lowermost ladder section each are arranged with an end portion, and a stabiliser system (150; 160; 170; 180), wherein the stabiliser system (150; 160; 170; 180) comprises: at least two first bracket sections (1 10a-b, 112a-b; 120a-b, 122a-b) each arranged to receive a respective ladder tube (10, 12), and two elongated portions (130a-b) being connected to at least one first bracket section (110a-b, 112a-b; 120a-b, 122a-b), wherein each elongated portion (130a-b) is configured to be arranged in a retracted position and a deployed position, wherein each elongated portion (130a-b) comprises an end portion (136a-b) configured to be in contact with a support surface when the elongated portion (130a-b) is in the deployed position, wherein in the retracted position, each elongated portion (130a-b) is arranged substantially parallel to the respective ladder tubes (10, 12) and the end portions (136a-b) of the elongated portions (130a-b) are arranged in a position that is lower than the position of the end portion of the ladder tube (10, 12), and wherein the elongated portions (130a-b) each are arranged to be maneuverable between the retracted position and the deployed position by a foot of a user of the ladder.