PHILLIP George Andrews, 51, from Miskin Road in Trealaw, Tonypandy has been charged with the murder of a 46 year-old woman also from Trealaw.
Andrews was arrested on Wednesday 19th December and taken to Merthyr Tydfil police station where he has been questioned by detectives from the Major Crime Investigation Team.
He will appear before Merthyr Tydfil Magistrates Court on Friday 21st December.
Currently, South Wales Police is not looking for anyone else in connection with this investigation.
Anyone with information is asked to call 101 quoting occurrence number 1800477627.