Purchase of necessary materials (pipes, pumps, underfloor heating collector, connections) and installation of heating pipes. Pouring the floor (purchase of cement, self-leveling mixture). Installation of electricity, insulation of walls with mineral wool, and installation of drywall. Installation and connection of the heating system (the room is already heated). Puttying the walls for painting, priming the screed and preparing for tiling. Purchase of tiles for the floor.