The following text is from the original listed building designation:
TQ 86 NE LOWER HALSTOW THE GREEN (east side)
2/4 The Three Tuns Inn
24.1.67 II
Public house. Early C18. Painted brick with timber framed rear wing, and plain tiled roof. Two storeys on plinth with plat band and modillion eaves cornice to hipped roof with 3 hipped dormers and stacks to left end and rear right. Four C19 glazing bar sashes to first floor, and three C19 sashes on ground floor with segmental heads. Central glazed and panelled door, and half-glazed door to right, both with small pentice hoods on brackets. Flat roofed 1 window extension to left and slate-roofed lean-to right with garage doors.
Listing NGR: TQ8592267266

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