In 1742, Daniel Tschiffely hired Albrecht Stürler to replace the old building with a new castle.
In 1839 Johann Friedrich Albrecht Tribolet bought the Old and New Castles from Carl von Tavel.
Between 1839 and 1849 the calm patients were housed in the New Castle, while the violent or noisy lived in the Old.
In 1849 the buildings were acquired by Jakob Allemann who converted it into a boys' boarding school, which was known as the Löffelschlyffi.
The newly created Bern-Mittelland district required more space than the Castle could provide.