Dyfed-Powys Police officers are investigating a sexual assault that occurred in the Oldford Rise area of Welshpool.
The female victim was approached outside her home, pushed inside the property then sexually assaulted at approximately 1am on Monday, April 17.
The victim is being supported by specially trained officers.
Anyone who witnessed anything suspicious in that area around that time is urged to contact CID in Welshpool by calling 101.