Poetry: 

• Ouch! (1971)
• London Lickpenny (1973)
• The Diversions of Purley and Other Poems (1987)

Fiction:

• THE GREAT FIRE OF LONDON (1982)
• THE LAST TESTAMENT OF OSCAR WILDE (1983)
• HAWKSMOOR (1985)
• CHATTERTON (1987)
• FIRST LIGHT (1989)
• ENGLISH MUSIC (1992)
• THE HOUSE OF DOCTOR DEE (1993)
• DAN LENO AND THE LIMEHOUSE GOLEM (1994)
• MILTON IN AMERICA (1996)
• THE PLATON PAPERS (1999)
• THE MYSTERY OF CHARLES DICKENS (2000)
• THE CLERKENWELL TALES (2003)
• THE LAMBS OF LONDON (2004)
• THE FALL OF TROY (2006)
• THE CASEBOOK OF VICTOR FRANKENSTEIN (2008)
• THE CANTERBURY TALES: A Retelling (2009)
• THE DEATH OF KING ARTHUR (2010)
• THREE BROTHERS (2013)

Non-fiction

• 1976 Notes for a New Culture: An Essay on Modernism
• 1978 Country Life
• 1979 Dressing Up: Transvestism and Drag, the History of an Obsession
• 1980 Ezra Pound and His World
• 1984 T. S. Eliot
• 1987 Dickens' London: An Imaginative Vision
• 1989 Ezra Pound and his World (1989)
• 1990 Dickens
• 1991 Introduction to Dickens
• 1995 Blake
• 1998 The Life of Thomas More
• 2000 London: The Biography
• 2001 The Collection: Journalism, Reviews, Essays, Short Stories, Lectures
• 2002 Dickens: Public Life and Private Passion
• 2002 Albion: The Origins of the English Imagination
• 2003 The Beginning
• 2003 Illustrated London
• 2004 Escape From Earth
• 2004 Ancient Egypt
• 2004 Chaucer Brief Lives
• 2005 Shakespeare: The Biography
• 2005 Ancient Greece
• 2005 Ancient Rome
• 2005 Turner Brief Lives
• 2007 Thames: Sacred River
• 2008 Coffee with Dickens (with Paul Schlicke)
• 2008 Newton Brief Lives
• 2008 Poe: A Life Cut Short
• 2009 Venice: Pure City
• 2010 The English Ghost
• 2011 London Under
• 2011 The History of England, v.1 Foundation
• 2012 Wilkie Collins Brief Lives
• 2012 The History of England, v.2 Tudors
• 2014 The History of England, v.3 Civil War
• 2014 Charlie Chaplin
• 2015 Alfred Hitchcock
• 2016 The History of England, v.4 Revolution
• 2017 Queer City