Totnes Museum

A "vague misty form" has been seen here, usually in the grocery shop area.

Update: 28/2/20: Kathy Alexander, who organises visits by Paranormal groups informed me of a section on their website detailing some of the phenomena; these are mainly claims of sensations or feelings, but sometimes swear words can be heard in the forehall and a cat pushing around people's legs in various locations in the building.

Website