A lifting and carrying system for maintaining building facades, comprising: • guides having a shape of a rail or mast located on the external wall of the building and provided with guide teeth, • a lifting device having a drive, the drive including a motor with a gearbox and a toothed wheel mounted on a drive shaft of the gearbox and capable of engaging with the guide teeth so that when the toothed wheel rotates, the lifting device moves along the guides, and • control means capable of controlling the motor, the guides having a shape that duplicates the shape of the building, the lifting device including at least two lifting device carriages and a platform, each of edges of the platform is hinged to a lifting device frame connecting the two lifting device carriages, each of the at least two lifting device carriages forms a system of guiding thrust rollers, the thrust rollers resting on the guides, characterised in that the guides are attached to the building by brackets passing through a facade of the building and secured to load-bearing structures of the building, and in that the platform is in the form of a telescopic sectional platform comprising a plurality of telescopic sections each representing a spatial rod system forming a fence and a floor for the maintenance personnel, interlocked with the at least two lifting device carriages. • guides having a shape of a rail or mast located on the external wall of the building and provided with guide teeth, • a lifting device having a drive, the drive including a motor with a gearbox and a toothed wheel mounted on a drive shaft of the gearbox and capable of engaging with the guide teeth so that when the toothed wheel rotates, the lifting device moves along the guides, and • control means capable of controlling the motor, the guides having a shape that duplicates the shape of the building, the lifting device including at least two lifting device carriages and a platform, each of edges of the platform is hinged to a lifting device frame connecting the two lifting device carriages, each of the at least two lifting device carriages forms a system of guiding thrust rollers, the thrust rollers resting on the guides, characterised in that the guides are attached to the building by brackets passing through a facade of the building and secured to load-bearing structures of the building, and in that the platform is in the form of a telescopic sectional platform comprising a plurality of telescopic sections each representing a spatial rod system forming a fence and a floor for the maintenance personnel, interlocked with the at least two lifting device carriages. the guides having a shape that duplicates the shape of the building, the lifting device including at least two lifting device carriages and a platform, each of edges of the platform is hinged to a lifting device frame connecting the two lifting device carriages, each of the at least two lifting device carriages forms a system of guiding thrust rollers, the thrust rollers resting on the guides, characterised in that the guides are attached to the building by brackets passing through a facade of the building and secured to load-bearing structures of the building, and in that the platform is in the form of a telescopic sectional platform comprising a plurality of telescopic sections each representing a spatial rod system forming a fence and a floor for the maintenance personnel, interlocked with the at least two lifting device carriages.