Assembly for an offshore wind turbine comprising: - a tower extending axially along a longitudinal axis of the offshore wind turbine between an upper end of the tower and bottom end of the tower, longitudinally opposed to the upper end of the tower, the tower including an inner platform at the bottom end of the tower, - a transition piece for connecting the tower to a foundation of the offshore wind turbine, the transition piece being attached to the bottom end of the tower, the transition piece comprising an hang-off platform longitudinally distanced from the inner platform, - a lifting apparatus for operating a lift inside the tower and the transition piece along the longitudinal axis between a plurality of stations including at least a first station at the inner platform and a second station at the hang-off platform, wherein the lifting apparatus comprises: - a plurality of wires (41, 42, 43, 44) for operating the lift between the plurality of stations, - a plurality of tensioners (51, 52, 53) attached to the plurality of wires (41, 42, 43, 44) for tensioning the plurality of wires (41, 42, 43, 44), - one or more brackets attached to the inner platform and movable between at least: - a first operative configuration in which the plurality of tensioners (51, 52, 53) are attached to the one or more brackets and the lift is movable from the first station at the inner platform towards the upper end of the tower - a second retracted configuration in which one or more brackets allows the lift to move between the first and the second station, the plurality of tensioners (51, 52, 53) being attached to the hang-off platform. - a tower extending axially along a longitudinal axis of the offshore wind turbine between an upper end of the tower and bottom end of the tower, longitudinally opposed to the upper end of the tower, the tower including an inner platform at the bottom end of the tower, - a transition piece for connecting the tower to a foundation of the offshore wind turbine, the transition piece being attached to the bottom end of the tower, the transition piece comprising an hang-off platform longitudinally distanced from the inner platform, - a lifting apparatus for operating a lift inside the tower and the transition piece along the longitudinal axis between a plurality of stations including at least a first station at the inner platform and a second station at the hang-off platform, - a plurality of wires (41, 42, 43, 44) for operating the lift between the plurality of stations, - a plurality of tensioners (51, 52, 53) attached to the plurality of wires (41, 42, 43, 44) for tensioning the plurality of wires (41, 42, 43, 44), - one or more brackets attached to the inner platform and movable between at least: - a first operative configuration in which the plurality of tensioners (51, 52, 53) are attached to the one or more brackets and the lift is movable from the first station at the inner platform towards the upper end of the tower - a second retracted configuration in which one or more brackets allows the lift to move between the first and the second station, the plurality of tensioners (51, 52, 53) being attached to the hang-off platform. - a first operative configuration in which the plurality of tensioners (51, 52, 53) are attached to the one or more brackets and the lift is movable from the first station at the inner platform towards the upper end of the tower - a second retracted configuration in which one or more brackets allows the lift to move between the first and the second station, the plurality of tensioners (51, 52, 53) being attached to the hang-off platform.