The following text is from the original listed building designation:
KEMSING HEAVERHAM 1. 5280 Walnut Tree Cottage TQ 5758 18/599 II* 2. Southern part a mediaeval hall under large hipped gabled tiled roof with old brick chimney rising through it. 1 storey and 2 dormers resting on wall plate. Timber framed structure encased at left in coursed rubble masonry with brick dressings and at right in C19 brickwork. Northern part, probably C16, at right angles. 2 storeys, 3 windows. High pitched hipped tiled roof with central stack. Casement windows. Another chimney on end. Listing NGR: TQ5708358769 (1)

Description from record TQ 55 NE 43 :
(TQ 57085877) Walnut Tree Cottages (NAT) (2) 5280 Walnut Tree Cottage, Heaverham, Kemsing. TQ 5758 18/599 10 9 54 Grade 2*. Southern part of a Medieval hall under large hipped gabled tiled roof with old brick chimney rising through it. 1 storey and 2 dormers resting on wall plate. Timber-framed structure encased at left in coursed rubble masonry with brick dressings and at right in C19 brickwork. Northern part, probably C16, at right angles. 2 storeys, 3 windows. High pitched hipped tiled roof with central stack. Casement windows. Another chimney end. (3) Not mentioned in The Buildings of England. (4) Additional bibliography - not consulted. (5)

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

<2> OS 1:2500 1965 (OS Card Reference). SKE48207.

<3> DOE (HHR) Dist of Sevenoaks Kent Jan 1975 153 (OS Card Reference). SKE40315.

<4> Bldgs of Eng W Kent and the Weald 1980 (J Newman) (OS Card Reference). SKE37967.

<5> A guide to the historic bldgs of Kemsing 1975 (Bowden VE) (OS Card Reference). SKE32794.