Douglas Harper's Etymology Dictionary
claustrophilia
"morbid desire to be shut up in a confined space," 1884, from claustro-, abstracted from claustrophobia, + -philia.
Wiktionary
claustrophilia
n. The love or arousal of enclosed, tight places.
Wikipedia
Claustrophilia
<!-- some white space to avoid shortpages
Usage examples of "claustrophilia".
There is the claustrophilia of you Earthmen, your dislike of leaving your walls.