This Guardian piece is an essay by a young British woman who consciously pursues solitude within her urban environment. The title is: “The pursuit of loneliness: how I chose a life of solitude.” The byline is: “Hayley Campbell quit her job and moved into an empty flat. Here she explains the tough but peculiar pleasures of seclusion.”
A brief article in Londonist titled “The Sad Story Of The Hermit Of Dulwich,” about an 18th-century hermit Samuel Matthews. He became a hermit when he became a widower, and was described as eccentric and deranged.