In the past, Gunn's research has focused on the middle classes in modern Britain. More recently, he has focused on urban society in Britain since the 1960s, especially regarding the effect that material structures have on everyday life in British cities. His published works include:[1]
- (Edited with L. Faire), Research Methods for History, 2nd edition, (Edinburgh: Edinburgh University Press, 2016)
- (edited with J. Vernon), The Peculiarities of Liberal Modernity in Imperial Britain (Berkeley, CA.: University of California Press, 2011)
- History and Cultural Theory (London: Longman, 2006)
- (with Rachel Bell) Middle Classes (London: Cassell, 2003) to accompany the BBC TV series Middle Classes: Their Rise and Sprawl
- (edited with R. J. Morris), Identities in Space: Contested Terrains in the Western City Since 1850 (Aldershot: Ashgate 2001)
- The Public Culture of the Victorian Middle Class (Manchester: Manchester University Press, 2000)
- "Ring road: Birmingham and the collapse of the motor city ideal in 1970s Britain", Historical Journal (2017).
- "European urbanities since 1945", Contemporary European History, 22:4 (2015), pp. 617–22
- (with C. Hyde) "Post-industrial place, multicultural spac: the transformation of Leicester, c. 1970–1990", International Journal of Regional and Local History, vol. 8, issue 2 (2013), pp. 94–111
- "People and the car: the expansion of automobility in urban Britain, c. 1955–1970", Social History, vol. 38, issue 2 (2013), pp. 220–37
- "The Buchanan report, environment and the problem of traffic in 1960s Britain", Twentieth Century British History, vol. 22, issue 4 (2011), pp. 521–42
- "The rise and fall of British urban modernism: planning Bradford, c.1945-1970", Journal of British Studies, vol. 49, issue 4 (2010), pp. 849–69
