Prefabricated module for a building and construction method

A prefabricated module configured to be integrated in one piece into a building, the prefabricated module comprising, in one piece:

• a floor;
• a roof;
• a shower compartment comprising a shower, and a first access opening for access by a person, the first access opening placing the shower compartment directly in communication with the outside of the prefabricated module;
• a toilet compartment comprising a toilet seat, and a second access opening for access by the person, the second access opening placing the toilet compartment directly in communication with the outside of the prefabricated module, the shower compartment and the toilet compartment being disposed longitudinally opposite one another with respect to the prefabricated module;
• a kitchen compartment comprising a sink, a cooking appliance, and a third access opening for access by the person, the third access opening placing the kitchen compartment directly in communication with the outside of the prefabricated module;
• and
• a technical compartment comprising
• a domestic water supply including a tank, the domestic water supply supplying unheated domestic water to the shower and the sink,
• a water heater supplying heated domestic water to the shower and the sink, the water heater being supplied with the unheated domestic water by the tank of the domestic water supply,
• a panel,
• a water sub-compartment delimited between the floor of the prefabricated module and the panel of the technical compartment, the domestic water supply and the water heater being disposed in the water sub-compartment, the domestic water supply being disposed at a bottom of the technical compartment, the water heater being disposed above the domestic water supply near the panel,
• an energy sub-compartment delimited between the panel and the roof of the prefabricated module,
• an energy supply supplying energy to the cooking appliance and the water heater, the energy supply being disposed in the energy sub-compartment, and
• a fourth access opening for access by the person, the fourth access opening placing the technical compartment directly in communication with the outside of the prefabricated module,
• wherein the kitchen compartment and the technical compartment are arranged between the shower compartment and the toilet compartment, the kitchen compartment and the technical compartment being transversely opposite one another with respect to the prefabricated module.