The following text is from the original listed building designation:
1. 944 GAS STREET
Oasthouse TR 1457 SE 8/500
II
2. A mid. C19 oast house. 2 to 3 storeys brick having 1 large square oast with hipped roof. The rear elevation has a tiled roof in 2 hips. Cambered sashes. Hoist.
Listing NGR: TR1452357459

A Heritage Impact Assessment of the building described a number of significant features, including the presence of a brick kiln described as a "conventional open square hopper type…(above which existed) a steep pyramidal roof form clad in clay tiles and lined with lathes, which would have been lime plastered, serv(ing) as a vent and…, originally been topped with a cowl, now lost, to catch the wind and maximise the draught" (from the original report, 2). A hatch exists in the timber framed ceiling of the building from which the hop pocket would have been suspended when the building was in use. The proximity of the hatch to the wall suggests that the packing of the hop pocket was originally manual - as mechanical packing was typically located centrally within the room. "Original wainscoting partially lining the walls would presumably have protected the walls from the yellow staining of the dried hops" (from the original report, 2).
An original pulley hoist exists within the building, associated with the upper loading floor of the structure. This would have been used to load the hops from waggons and move them efficiently into the main building.
The building was constructed of red brick in Flemish bond with a peg tile roof with a lead cap in circular form. "The east wall of the stowage appears to have been raised in several phases of brickwork and it is possible the increasing demands for hops for brewing in the lead to the evolution of the form of the oast from a single storey stowage with external gantries for loading and unloading the kiln to the more substantial form today. A substantial section of flint walling extends along the west flank wall of the stowage at ground floor level and this appears to be a remnant of the former structure which abutted the oast until its demolition in the 1970s and replacement with the modern store" (from the original report, 2).
A number of more recent alterations, including modern partitions, have been added to many of the rooms within the building. (2)

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

<2> Anthony Swaine Architecture Ltd, 2020, The Oast House, Gas Street, Canterbury, Kent. CT1 2PR Heritage Impact Assessment March 2020 (Unpublished document). SKE55811.