Thieves broke into the home of an 85-year-old Corby woman and stole jewellery, alcohol and medicine.
The break-in happened at the property in Rockingham Road.
The elderly woman left her home at about 7pm on Saturday, October 5, and returned at 1.15am on Sunday, October 6, when she discovered that every room had been searched.
Witnesses are asked to call the police on 101.
Information can also be passed on by telephoning Crimestoppers on 0800 555 111.