Dated 1856, 2 storey, stone building now occupied by Ministry of Defence.
Of rectangular plan on the ground floor, T-plan on first floor, gable ends to the three ends of the T. Plain round-headed windows on ground floor, square-headed on first floor.

Shown as Oakum Store on Admiralty plans of 1856 and 1869. (DJP 06/02/1998)