The following text is from the original listed building designation:
1. HIGH STREET 5274 (South Side) Acacia Hall TQ 5473 3/35
II GV
2. Mid C19. 2 storeys stock brick. Hipped slate roof. 4 windows, 2 of which are 3 light with italianate architraves. The ground floor windows have 2 modified Venetian windows and 2 round-headed windows with keystones. Tuscan portico. The garden elevation has a wooden canopy and French windows.
The Bridge House, Acacia Hall and the Mill building to rear of Bridge House form a group. (The Mill building is a local interest building).
Listing NGR: TQ5438073906

Second World War Home Guard Battle Headquarters for Defended Locality DL108. Probably designated in 1940 and decommissioned by early in 1944. (1)

Anthony Blee Consultancy, May 2004, Listed Building Consent Application relating to the settings of Bridge House and Acacia Hall (Unpublished document). SWX12893.

<1> Colonel, Gravesend Sub-Area, 01/09/1941, Gravesend Sub-Area - Plan to Defeat Invasion (Unpublished document). SKE24216.