The following text is from the original listed building designation:
TQ 812 602 THURNHAM
2/187 Bimbury Manor 26.4.68 II
Manor house, now ruin. Medieval. Flint with stone dressings to 2 north corners. Walls standing to 2-storey height forming narrow oblong room with stair-turret to south end of east wall. Evidence for continuation to west and extension to north. Slightly projecting and possibly later external flint stack with brick dressings and top, on west wall. Small rectangular window at first-floor level, largely obscured by vegetation. 2-storey gap in south elevation, possibly in door position. Also known as Binbury Manor.
Listing NGR: TQ8109657601

Description from record TQ 86 SW 120:
Additional Mention of. (1)

Bimbury manor appears to have been held by the same lord as Thurnham. It may have served as a fortified hunting lodge. In the post-medieval period a tower was built on the site, possibly as a prospect tower. (2)

<1> Scott Wilson, 2002, Proposed Development on Land at Waterbrook: Environmental Impact Assessment (Unpublished document). SKE8134.

<2> Alan Ward, 2012, Binbury Castle, Thurnham, Nr. Maidstone, Kent Archaeological Review 189: 208-221 (Article in serial). SKE25111.