Here are some of his notable works:
* The Victorian Country House: This book is considered a classic in architectural history, exploring the evolution of the Victorian country house in Britain.
* The Building of London: Hughes co-authored this book with John Summerson, offering a comprehensive account of the history of London's built environment.
* Architecture and the Victorian City: This book examines the relationship between architecture and urban development in Victorian Britain.
* The Architecture of Sir Edwin Lutyens: Hughes wrote a detailed study of the work of the famous British architect Sir Edwin Lutyens.
* The Country House in England: Another book focusing on the evolution of the country house, covering its origins and development throughout history.
* The Victorian House: This book examines the domestic architecture of the Victorian era, including its styles and trends.
Quentin Hughes was also a prolific writer for various architectural magazines and journals, contributing articles, essays, and reviews on a range of architectural topics.
In addition to these books, he authored several other publications and contributed to various exhibitions and projects related to architectural history and preservation.