 The Pitched Stone Court forms the north @-@ east corner of the castle , and provided a centre for the castle services and servants ; it takes its name from the late @-@ Tudor cobbling , or pitched stones . On the east side of the court is the former office wing , a 16th @-@ century construction mostly destroyed during the siege of 1646 . The castle kitchens and pantries are on the north side , containing two large fireplaces and storage facilities for food and supplies in their cellars . In the 1460s , the first floors to these buildings included chambers for the senior servants . The buttery in the north @-@ west corner would have been used to store and serve beer and wine . 
