Neil Tulley, 54, was discovered in Cedar Way, Guildford, Surrey, just after 10am on Tuesday, and a post-mortem examination found he died from multiple stab wounds.
The 14-year-old, who cannot be named for legal reasons, appeared at North Surrey Magistrates' Court today charged with murder, Surrey Police said.
He has been remanded into the care of social services and is due to appear at Guildford Crown Court on Tuesday.
More top news
Our report on the Tilmanstone pit in Elvington, scene of a bitter strike in the 1980s. Now an exhibition has opened at a heritage centre
Philippa has the latest weather update for the east
Philippa has the latest weather update for the west