The following text is from the original listed building designation:
HEVER HEVER 1. 5280 How Green Road (off) Whistler's Farmhouse TQ 44 NE 49/543 II 2. Probably a C15 hall house with service end demolished in late C16 and cross-wing built, and chimney inserted at same time. Purlin and windbrace roofs with some re-used, smoke-blackened timbers. Front shows gabled cross-wing at left, of 2 storeys and attic, 1 window; and 2-storey, 5-window older right part. Compound ridge stack. Tiled roof, that of cross-wing very high pitched. Tile hung 1st floor, brick ground floor. Modern casements. C17 and modern rear additions. Inside much exposed timber and altered inglenook. 2 Jacobean fireplaces in cross-wing.
Listing NGR: TQ4674546541 (1)

Timber framed house of 1450-90 of which the formerly open 2-bay hall and upper end of the medieval house survive. There is some evidence for the existence of the lower end but this is now demolished. There are 18th century alterations. (2)

Historic England archive materual: BF040108 WHISTLERS, CRANBROOK File of material relating to a site or building. This material has not yet been fully catalogued. Copyright, date, and quantity information for this record may be incomplete or inaccurate. RCH01/048/01/220 Labelled sheet of drawings of Whistler's, Cranbrook, with a sketch plan of the ground-floor and a beam section

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

<2> Pearson, S., Barnwell, P. S. & Adams, A. T., 1994, A Gazetteer of Medieval Houses in Kent (Monograph). SKE8010.