The following text is from the original listed building designation:
1. 5280 SUNDRIDGE YORKSHILL
Yorkshill Farmhouse TQ 45 SE 45/1333
II*
2. C15 or earlier hall house with late C18 red brick front. 2 storeys and attic, 5 windows. Very steep hipped tiled roof with little ridge gables. 2 end projecting offset chimneys. 2 hipped tiled dormers. Corbelled brick eaves. 1st floor modern 2- and 3-light casements. Ground floor 3 tripartite sash windows under shallow segmental arches; and one modern 4-light casement. Modern glazed door in reproduction Georgian doorcase. Inside brackets and bressumer of original front visible at stairhead. Also hall window with paired cusped arches preserved in situ on landing. Roof truss shows enormous arched tie beam on huge braces, both hollow chamfered. Crown post above divides 2 uneven bays of hall. At either end braces on responds match crown post. Considerable modern extensions to rear. Listing NGR: TQ4986651353 (1)

Description from record TQ 45 SE 13 :
(TQ 498513) Yorkshill Farm (NAT) (2) 5280 SUNDRIDGE YORKSHILL Yorkshill Farmhouse TQ 45 SE 45/1333 II* 2. C15 or earlier hall house with late C18 red brick front. 2 storeys and attic, 5 windows. Very steep hipped tiled roof with little ridge gables. 2 end projecting offset chimneys. 2 hipped tiled dormers. Corbelled brick eaves. 1st floor shallow segmental arches; and one modern 4-light casement. Modern glazed door in reproduction Georgian doorcase. Inside brackets and bressumer of original front visible at stairhead. Also hall window with paired cusped arches preserved in situ on landing. Roof truss shows enormous arched tie beam on huge braces both hollow chamfered. Crown post above divides 2 uneven bays of hall. At either end braces on responds match crown post. Considerable modern extensions to rear. (3) Yorks Hill Farm. A very big Wealden hall-house with a traceried window remaining inside. It has a separate kitchen. Information from S.E. Rigold. (4)

Description from record TQ 45 SE 27 :
Listed building : no additional information available

Historic England archive material: BF040033 Yorkshill Farmhouse, Sundridge with Ide Hill The file contains miniature format film prints 94/M/23, 94/Q/13-30, as well as photocopies of photographs of the renovation in 1966-1967. RCH01/048/01/681 Labelled sheet of drawings of Yorkshill Farmhouse, Sundridge, with traceried hall window and crown-post elevations, and perspective sketches of reversed assemblies on the central hall truss and at the east end of the hall

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

<2> OS 1:2500 1967 (OS Card Reference). SKE48209.

<3> DOE(HHR)Dist of Sevenoaks RD Kent Jan 1975 332 (OS Card Reference). SKE41354.

<4> Bldgs of Eng W Kent and the Weald 1980 341 (J Newman) (OS Card Reference). SKE37993.

<5> Pearson, S., Barnwell, P. S. & Adams, A. T., 1994, A Gazetteer of Medieval Houses in Kent (Monograph). SKE8010.