Sheiku Adams, aged 49, fell from a flat in Kentish Town, north London, on October 25.
Police arrived at Denyer House in Highgate Road, and discovered Mr Adams on the ground outside with serious injuries.
He was taken to a north London hospital but was pronounced dead at 11.56pm.
Neil Allen, 25, Nicola Green, 32, and Stephanie Haughton, 34, who are all from the Wolverhampton area, were charged with his manslaughter on Wednesday.
Scotland Yard said all three will appear in custody at Highbury Corner Magistrates' Court in north London on Thursday, while inquiries continue.
After his death, neighbours described Mr Adams as a "great guy" who was part of a "lovely family".