The 28-year-old charged with the murder of an elderly man in West Drayton is expected to make a plea at the Old Bailey next month.
Ahmed Hussein of Jasmine Terrace is charged with the killing of Ibrahim Haji at his house on May 8.
He made a brief second appearance at the Old Bailey on Wednesday, July 16 and will return to enter a plea on Friday, August 15.
Police were called at midnight on May 8 following reports of a serious assault and 79-year-old Mr Haji was pronounced dead at the scene.
The cause of death is under investigation and results of a post mortem are not yet known. An inquest for Mr Haji was opened and adjourned on Friday, June 13 at West London Coroners' Court.
Mr Hussein first appeared at the Old Bailey on Tuesday, May 13, where Judge Richard Hone ordered that he be transferred to a secure psychiatric unit under section 48 of the Mental Health Act.
He remains in custody.