The following text is from the original listed building designation:
1. 944 BARTON MILL ROAD
Watermill TR 15 NE 10/149B
II GV
2. This is the only surviving Mediaeval mill in the City. The ground floor has early C13 stone and flint work and the roof is Mediaeval, but otherwise it has been largely rebuilt in the early C19. It bridges the River Stour. 4 storeys weatherboarded. Second floor projects on brackets. 5 to 6 pivoting sashes. Set on brick and stone piers. Wooden railing. End elevation has hoists.
Lesser Knowlesthorpe, Nos 3, 4 and Watermill form a group.
Listing NGR: TR1567258727

Description from record TR 15 NE 144 :
(TR 156588) Barton Mills (NAT). (1) Watermill, Barton Mill Road. Grade II. This is the only surviving Medieval mill in the City. The ground floor has early C13 stone and flint work and the roof is Medieval, but otherwise it has been largely rebuilt in the early C19. It Bridges the River Stour. (2) Additional bibliography. (3)

The Canterbury UAD states that Barton Mill burnt down c.1950. Large enclosure 'Barton' belonging to Christ Church. Chapel, out buildings, later used as a stable.

<1> OS 6" 1899 (OS Card Reference). SKE48314.

<2> DOE (HHR) Dist of City of Canterbury 1973 4 (OS Card Reference). SKE40211.

<3> Ind Arch of SE Eng 1978 31 (AJ Haselfoot) (OS Card Reference). SKE44222.