Toilet system and building with such a toilet system

Toilet system comprising:

• a toilet bowl which can be mounted on a floor or on a wall;
• a cistern and an inlet pipe, wherein a first end of the inlet pipe is connected to the toilet bowl;
• a second end of the inlet pipe connected to the cistern and can be connected via the cistern to a pressurized water supply line via which water can be drawn for flushing;
• the cistern comprises an overflow pipe, wherein the overflow pipe extends the inlet pipe in the inoperative state of the toilet system in such a way that no water flows from the cistern into the inlet pipe;
• a toilet seat comprising:
• a) a seat ring;
• or
• b) a toilet lid and a seat ring;
• an actuator arrangement, a valve device and a hose system;
• the actuator arrangement configured to be connected to the water supply line via the valve device and the hose system;
• the valve device being designed to supply the pressurized water from the water supply line to the actuator arrangement, the actuator arrangement being designed to raise the toilet seat means of the pressurized water,
• wherein:
• the hose system runs inside the inlet pipe and through the overflow pipe.