The following text is from the original listed building designation:
COOLING CP TQ 77 NE 2/25 Barn 30 yards north-east of Cooling Castle Gatehouse GV II
Barn. C16 with C19 extension to north. Timber-framed on brick walls and weatherboarded. Hipped plain tiled roof. Central mid-strey. C19 extension to north at east end. Interior: 9 bays with aisles. Roof on braced tie- beams with queen-struts to collars. Posts down-braced onto wall-plates. Elaborate carpentry carrying roof over angle between barn and C19 extension. Hay-crane on swinging-post to right of mid-strey.
Listing NGR: TQ7636776264 (1)

This feature is recorded in the English Heritage Historic Area Assessment for Cooling Parish. For the farmstead as a whole, see the separate monument record MKE 83294. The report states for the barn:
"The L-shaped range of outbuildings, now in separate ownership, include a large timber framed barn (grade II) dating from the 17th century and the 19th century". (2)

<1> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.

<2> historic england, 2014, Hoo Peninsula Outline Historic Area Assessment: Cooling Parish. Research Report 51-2014. (Bibliographic reference). SKE31592.