The following text is from the original listed building designation:
FOLLY at about TQ 756 506 LINTON 3/133 TQ 756 506 GV II
Folly. Mid-to-late C18. Brick, rendered with channelled stucco. Slate roof. Small and rectangular in a Gothick style. Single storey. Gables with moulded coping to each face. Moulded pointed-arched open doorway to each gable end with clustered shafts to jambs. 3 similar doorways, stepped in height, spanning east face. West face unbroken. Slender pinnacled pilaster buttresses to each corner, and flanking central opening to east.
Listing NGR: TQ7560050600

Description from record TQ 75 SE 37 :
c.TQ 756 506 Folly, Linton Park. Mid to late C18 (shown but not named on OS 1:2500, 1967). (For full description see list) (1)

From Historic Englands National Heritage List for England:
"Details

This list entry was subject to a Minor Amendment on 27/04/2016

TQ 75 SE 3/133

LINTON Folly, west end of North Walk, Linton Park, Kent located at TQ 755 501)

(Formerly listed as Folly at about TQ 756 506)

GV II Folly. Mid-to-late C18. Brick, rendered with channelled stucco. Slate roof. Small and rectangular in a Gothick style. Single storey. Gables with moulded coping to each face. Moulded pointed-arched open doorway to each gable end with clustered shafts to jambs. 3 similar doorways, stepped in height, spanning east face. West face unbroken. Slender pinnacled pilaster buttresses to each corner, and flanking central opening to east.

Listing NGR: TQ7549750099 " (2)

<1> DOE (HHR) Dist of Maidstone Kent 26 Feb 1987 69 (OS Card Reference). SKE40296.

<2> Historic England, National Heritage List for England (Index). SKE29372.