The following text is from the original listed building designation:
1. 5273 WALTHAM ANVIL GREEN
The Cottage TR 14 NW 16/650
II
2. C17 or earlier timber-framed building with red brick infilling now painted. Some exposed timber framing to the front elevation. Hipped tiled roof. Two storeys. Four casement windows. Chimney breasts with offsets on the north-east wall. Simple doorcases.
Listing NGR: TR1081949535

Description from record TR 14 NW 22:
GII House (1)

House of two early 16th century phases with single aisle to north west (2)

Historic England archive material: BF040067 THE COTTAGE, WALTHAM 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. RCH01/048/01/707 Labelled sheet of drawings of the Cottage, Anvil Green, with a cross-section, a longitudinal section, a ground-floor plan, sketch sections C-C and D-D, and scarf joint details RCH01/048/03/083 Sheet of sections through Allens Hill Farmhouse, Cliffe-at-Hoo, and The Cottage, Anvil Green

<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.