 He had been recommended to this post by the architect Edward Blore, who also employed him to carve figures of St George and Britannia at Buckingham Palace.His best known work is "The Battle of Copenhagen", one of the four bronze reliefs on the pedestal of Nelson’s Column in Trafalgar Square.The choice of sculptors was influenced by the results of the 1844 Westminster Hall exhibition, and Ternouth was recommended for this commission by the prime minister, Sir Robert Peel.