Miranda Carter was educated at St. Paul's Girls' School and Exeter College, Oxford. She worked as a publisher and journalist before beginning research on her biography of Anthony Blunt in 1994. She lives in London with her husband and two sons. Anthony Blunt: His Lives (2001), her first book, won the Royal Society of Literature Award and the Orwell Prize, and was shortlisted for many other prizes, including the Guardian First Book Award and the Whitbread Biography Award. In the US it was chosen by the New York Times Book Review as one of the seven best books of 2002.
Miranda Carter is currently at work on a book about George V, Kaiser Wilhelm and Tsar Nicholas II and the First World War.