Grade II listed building. Building 66 and 67 and attached rear wall, North Barracks. Pair of officer's houses built between 1810 and 1830. Built of rendered brick with rendered ridge and rear lateral stacks and a hipped slate roof. The late Georgian style building has a double-depth plan and is of two-storeys with a basement. The building has a symmetrical front, alterations in the mid 20th century included the addition of porches to the ends of the central section. There are single-storey service blocks to the rear of both houses. The aatched rear brick wall connects with numbers 65 and 67.