[1] In 1862 Harrod moved to Marlborough, and entered into partnership with Richard Henry Holloway, solicitor.
He was working on a monograph on the Tower of London when he died at 2 Rectory Grove, Clapham, Surrey, on 24 January 1871, and was buried at West Norwood Cemetery.
[1] Harrod was for twelve years secretary to the Norfolk and Norwich Archæological Society, and contributed papers to their Transactions.
[1][2] On 16 March 1854 Harrod was named a fellow of the Society of Antiquaries of London, for whose Proceedings he wrote some articles, mainly on matters connected with Norfolk.
[3][1] Harrod was noted for his skill in deciphering old documents, and was employed in arranging the records of Norwich, King's Lynn, and other boroughs.