Danny Wallis, 29, was found dead in Clarence Row, Gravesend, after Kent Police officers were called to the property at about 19:45 BST on Sunday.
Travis Smith, of no fixed address, was arrested shortly afterwards and charged with the murder on Tuesday.
The 23-year-old is due to appear before Medway Magistrates' Court later on Wednesday.
Two other people were arrested following Mr Wallis' death.
A 23-year-old man has been released on bail and a 29-year-old woman was released without charge.
A man has been charged with the murder of another man whose body was discovered at a block of flats in Kent.