Police are appealing for witnesses following a burglary in The Avenue, Wellingborough.
After being disturbed while in the property, the offender claimed he was concerned about an open door and left.
But a number of items were later found to be missing.
The burglary took place sometime between 1pm and 3.30pm on Friday (January 12).
The suspect is described as a white man, in his late 40s, with short cropped hair, wrinkled forehead and big eyes.
He wore a jacket with pockets on the upper arms.
Witnesses, or anyone with information about the burglary, is asked to contact Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555111.