Teddington lock keeper wins Sir Reginald Hanson challenge cup for best kept lock gardens for the third time . For the third time , Mr A E Allen , Lock keeper at the Teddington Lock , on the Thames has been awarded the Sir Reginald Hanson Challenge Cup for the best kept lock gardens along the river thames . Boats in Teddington lock beside the beautiful gardens at Teddington . 27 July 1932