The front door and window of a house in Warminster Close, Corby, were smashed late on Saturday night.
An offender smashed the glazed front door and lounge window at some point between 11pm and 11.20pm.
They were about 5ft 6in, slim and wearing a grey top with fur around the hood.
It is believed they walked off in the direction of Cottingham Road.
Witnesses or anyone with information is asked to contact Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555 111.