Based on the provided source material, there is no information indicating that Durnford is a city in the United Kingdom. The name Durnford primarily refers to a surname associated with various historical and contemporary figures.
Notable individuals with this surname include several British Army officers, such as Anthony Durnford, Elias Durnford, and John Durnford-Slater. Other notable figures include Admiral Robin Durnford-Slater of the Royal Navy, Richard Durnford, who served as the Bishop of Chichester, and English cricketer John Durnford.