A car key burglary took place in Gainsborough Road, Corby, at the end of last week.
The house was broken into between 6pm on Friday, 10 June and 7am on Saturday, 11 June, and money stolen from within.
Offenders also stole the keys to a silver Ford Focus which was then stolen.
Officers would like to speak to anyone who may have witnessed this incident or who may have any information regarding it.
Witnesses or anyone with information about this incident can contact police on 101 or Crimestoppers anonymously on 0800 555 111.