Shortly after building Great Castle House, Worcester was created Duke of Beaufort, and needed still larger houses, first at Troy House and then at Badminton House, leaving Great Castle House to be repanelled for the Assizes.
Setelah membangun Great Castle House, Worcester diberi gelar Adipati Beaufort, dan masih membutuhkan rumah yang lebih besar lagi, pertama di Troy House dan kemudian di Badminston House, sehingga Great Castle House dirombak ulang untuk Pengadilan Assize.