A gang of masked men forced their way into a home and demanded money from the homeowner before escaping in a car when neighbours heard the disruption.
The robbery happened on Tuesday night between 10pm and 10.20pm in Battle Close, Wootton.
A spokesman for Northamptonshire Police said: “Five men wearing masks forced their way into a house in Battle Close.
“They demanded cash and searched the property, but were disturbed by neighbours who heard noises coming from inside the property.
“The gang then fled the scene in a dark coloured BMW.”
Anyone with any information can call Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555 111.