Hill has published widely on 19th- and 20th-century cultural history, but she is best known for God's Architect (2007), her biography of Augustus Pugin. The book won the Wolfson History Prize, the James Tait Black Memorial Prize,"List of James Tait Black Award Winners" University of Edinburgh website, accessed October 29, 2010shortlisted for Guardian Award but did not win see Guardian the Elizabeth Longford Prize, and the Marsh Biography Award. She is a trustee of the Victorian Society, a contributing editor to the London Review of Books, and a Quondam Fellow of All Souls College, Oxford.
