A lead-through element for leading pipes through a floor structure, the lead-through element comprising - a first part mountable to a floor of a first space above the floor structure, the first part comprising first openings (11, 12, 13); and - a second part mountable to a ceiling of a second space located below the floor structure, the second part comprising second openings (21, 22, 23), the second openings (21, 22, 23) being concentric with the first openings (11, 12, 13) when the lead-through element is mounted in place, - the lead-through element further comprises intermediate casings (31, 32, 33), each configured to extend from a first opening (11, 12, 13) to a second opening (21, 22, 23) inside a circular hole configured to extend from the first space to the second space through the floor structure, between the first opening (11, 12, 13) and the second opening (21, 22, 23) when the lead-through element is mounted in place; the intermediate casings (31, 32, 33) configured to form lead-through channels (310, 320, 330) between the first part and the second part; through which lead-through channels (310, 320, 330) each, at least one pipe is configured to be led from the first space to the second space; characterized in that the first part comprises a first plate comprising a upper side, an underside and a first back edge, the first back edge extending upwards at a right angle to form a first flange, the first flange comprising a first face side and a first backside; and that the first part is mountable onto the floor of the first space by engaging the underside with the floor; and that the first part comprises a face defined by a first edge, a second edge, a third edge, and a fourth edge; and corresponding side walls (101a, 101b, 101c, 101d) extending downwards from respective edges (100a, 100b, 100c, 100d) to the first plate; and that the face, the edges (100a-d) and the side walls (101a-d) are configured to define a stand for securing a plumbing arrangement element in a correct position; and that each of the first openings (11, 12, 13) comprise a first collar (110, 120, 130) protruding upwards from the face and extending in the opposite direction downwards from the face. - a first part mountable to a floor of a first space above the floor structure, the first part comprising first openings (11, 12, 13); and - a second part mountable to a ceiling of a second space located below the floor structure, the second part comprising second openings (21, 22, 23), the second openings (21, 22, 23) being concentric with the first openings (11, 12, 13) when the lead-through element is mounted in place, - the lead-through element further comprises intermediate casings (31, 32, 33), each configured to extend from a first opening (11, 12, 13) to a second opening (21, 22, 23) inside a circular hole configured to extend from the first space to the second space through the floor structure, between the first opening (11, 12, 13) and the second opening (21, 22, 23) when the lead-through element is mounted in place; the intermediate casings (31, 32, 33) configured to form lead-through channels (310, 320, 330) between the first part and the second part; through which lead-through channels (310, 320, 330) each, at least one pipe is configured to be led from the first space to the second space; characterized in that the first part comprises a first plate comprising a upper side, an underside and a first back edge, the first back edge extending upwards at a right angle to form a first flange, the first flange comprising a first face side and a first backside; and that the first part is mountable onto the floor of the first space by engaging the underside with the floor; and that the first part comprises a face defined by a first edge, a second edge, a third edge, and a fourth edge; and corresponding side walls (101a, 101b, 101c, 101d) extending downwards from respective edges (100a, 100b, 100c, 100d) to the first plate; and that the face, the edges (100a-d) and the side walls (101a-d) are configured to define a stand for securing a plumbing arrangement element in a correct position; and that each of the first openings (11, 12, 13) comprise a first collar (110, 120, 130) protruding upwards from the face and extending in the opposite direction downwards from the face.