An 18-year-old man has been arrested on suspicion of arson following a fire at Beech Grove Hall, Manby.
As reported previously, emergency services were called to the property on Sunday evening.
A Lincolnshire Police spokesman said: “The man, from the Grimsby area, is currently in custody. Enquiries are ongoing.
“Anyone with information relating to this incident should call 101, or email firstname.lastname@example.org quoting incident 334 of September 30.
“Alternatively, call Crimestoppers, anonymously, on 0800 555111.”