Description from record TQ 72 NE 20 :
(TQ78542968) Field Green House. [NAT] (1) House. Mid to late 18th century with some 19th century alterations. Built of red brick with grey headers and hipped old tiled roof with 2 brick chimney stacks. 2 storeys, attics and basement; 5 windows. Listed Grade II*. [Full architectural description] (2) Field Green House. Mid 18th century house of 5 bays and 2 storeys. Plum and blue brick and scarlet dressings. (3)

Historic England archive material: The following text is from the original listed building designation:
SANDHURST TQ72NE MEGRIMS HILL 1350-0/5/202 Field Green House 20/06/67 II* House. Mid to late C18 with some C19 alterations. Built of red brick with grey headers and hipped old tiled roof with 2 brick chimneystacks. 2 storeys, attics and basement; 5 windows. Stone stringcourse and parapet with stone coping and brick bracket cornice carried up within the parapet to form a pediment over the central 1st floor window which is segmental-headed with a keystone over. 12-pane sashes with ribbed brick voussoirs. Attic storey has large brick gable with pseudo-Venetian window added in C19 above the parapet in place of the central dormer. 2 end gabled dormers. Open pedimented doorcase with Tuscan half-columns shell fanlight and 6 panelled door approached up side flights of stone steps with cast iron handrail and incorporating Diocletian window to basement. The grandest C18 house in Sandhurst. (West Kent and the Weald).
Listing NGR: TQ7994428399 (4)

<1> OS 1: 2500 (OS Card Reference). SKE48135.

<2> DOE (HHR) Tunbridge Wells 5 July 1993 (108) (OS Card Reference). SKE40656.

<3> Newman, J 1980. The Buildings of England, West Kent and The Weald: Penguin (506) (OS Card Reference). SKE47561.

<4> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.