Had it been completed, the palace would have had more than 200 interior rooms, including premises for guests and servants as well as for service and logistics. Ultimately, no more than about 15 rooms and halls were finished. In its lower stories the Palas accommodates administrative and servants' rooms and the rooms of today's palace administration. The king's staterooms are situated in the upper stories: The anterior structure accommodates the lodgings in the third floor, above them the Hall of the Singers. The upper floors of the west-facing posterior structure are filled almost completely by the Throne Hall. The total floor space of all floors amounts to nearly 6,000 square metres (65,000 sq ft).
Neuschwanstein houses numerous significant interior rooms of German historicism. The palace was fitted with several of the latest technical innovations of the late 19th century. Among other things it had a battery-powered bell system for the servants and telephone lines. The kitchen equipment included a Rumford oven which turned the skewer with its heat and so automatically adjusted the turning speed. The hot air was used for a calorif�re central heating system. Further novelties for the era were running warm water and toilets with automatic flushing.
The largest room of the palace by area is the Hall of the Singers, followed by the Throne Hall. The 27-by-10-metre (89 by 33 ft) Hall of the Singers is located in the eastern, court-side wing of the Palas, in the fourth floor above the king's lodgings. It is designed as an amalgamation of two rooms of the Wartburg: The Hall of the Singers and the Ballroom. It was one of the king's favorite projects for his palace. The rectangular room was decorated with themes from Lohengrin and Parzival. Its longer side is terminated by a gallery that is crowned by a tribune, modelled after the Wartburg. The eastern narrow side is terminated by a stage that is structured
