Two balaclava-clad men stole shotguns and a van after breaking into a house in a village near Wellingborough.
The offenders gained entry to a house in Pytchley Road in Orlingbury through an upstairs window at some point between 7pm on Sunday, March 27 and 8.20am the following day.
Once inside, they stole two shotguns and and van with the registration plate KP62 OBO.
Police are appealing for witnesses to the incident or anyone with information to come forward.
Witnesses should call police on 101 or Crimestoppers anonymously on 0800 555111.