Prison Attached to North End of Court House

The building is a prison, now functioning as a veterans club with a covered platform, dating from 1786 and built on medieval foundations. It was restored in the 20th century. Constructed from coursed squared gritstone, it features a stone slate roof and is a single storey with cells located below. The main block has a single bay with a glazed platform to the right, which is accessed by six steps leading up to an opening in a low wall. The main block also includes a three-light 18th-century window with a transom and a segmental arch beneath a hoodmould. Stone corbels support the guttering, and the roof is hipped with a small flue pipe on the rear stack.

On the rear side, the wall of the glazed platform on the left has a blocked flat-arched doorway that is partly below ground level, and this wall has been raised above the lintel height with flat coping. The right return features an entrance to the main block under a glazed shelter, accessed through what is likely a 20th-century doorway on the right. The left return has two large round-arched windows with 20th-century three-light casements and transoms. The interior has not been inspected. Historically, the building likely contained two cells in the mid-19th century and served as the Castle Prison for the Forest and Forest Liberty of Knaresborough, as noted on the Ordnance Survey map of Knaresborough from 1851.