Description from record TR 15 NW 78:
No 17 Palace Street (Conquest House) (TR 14995806-OS 1:2500 1957). Outwardly a C16 timber-framed house restored, but the house dates from the early years of the Norman Conquest. 3 storeys timber- framed with plaster infill. Curved braces. Slated roofs. 3 restored mullioned and transomed windows, 1 of them a bay through 2 storeys supported on carved bracketts. The ground floor has 2 recessed 3 light mullions and a continuous mullioned and transomed bay of 8 lights. Right side doorcase has fine moulded spandrels. The interior has a C17 fireplace with plastered mantlepiece and panelling. Norman undercroft and fine C14 galleried hall. In 1170 the 4 knights, De Tracy, De Moreville, Fitzurse and Le Breton divested themselves of their arms here seeking an interview with Becket in his palace, and then rearmed themselves for the murder. (1) Additional bibliography. (2) Conquest House was restored early this century by Mr Powell, which has resulted in the necessity for structural repairs in several parts of the building. (3)

The following text is from the original listed building designation:
1. 944 PALACE STREET (West Side)
No 17 (Conquest House) TR 1458 SE 2/47 3.12.49.
II* GV
2. Outwardly a C16 timber-framed house restored, but the house dates from the early years of the Norman Conquest. 3 storeys timber-framed with plaster infill. Curved braces, Slated roofs. 3 restored mullioned and transomed windows, 1 of them a bay through 2 storeys supported on carved brackets. The ground floor has 2 recessed 3 light mullions and a continuous mullionedmd transomed bay of 8 lights. Right side doorcase has fine moulded spandrels. The interior has a C17 fireplace with plastered mantelpiece and panelling. Norman undercroft and fine Cll galleried hall. In 1170 the 4 knights De Tracy, De Moreville, Fitzurse and Le Breton divested themselves of their arms here before seeking an interview with Becket in his palace, and then rearmed themselves for the murder,
Church of St Alphege and Nos 10 to 28 (cobsec) form a group.
Listing NGR: TR1499058064 (4)

Historic England archive material: BF035586 17 PALACE STREET, CANTERBURY File of material relating to a site or building. This material has not yet been fully catalogued. Copyright, date, and quantity information for this record may be incomplete or inaccurate.

<1> DOE (HHR) City of Canterbury Kent Sept 1973 192 (OS Card Reference). SKE40024.

<2> BOE NE & E Kent 1983 259-60 (J Newman) (OS Card Reference). SKE38214.

<3> Arch Cant 102 1985 249-51 illus (J Bowen & T Tatton-Brown) (OS Card Reference). SKE34615.

<4> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.