Masked men, one of whom was wearing a bobble hat, stole wrapped gifts during a burglary in West Street, Ecton.
The burglary happened on Tuesday, December 18 between 6.40pm and 7pm when two raiders broke into a house through a downstairs window.
They then stole jewellery and a number of wrapped Christmas presents.
A Northamptonshire Police spokeswoman said: "One of the offenders is reported to have been wearing a hat with a bobble on top and both appeared to be wearing face coverings and gloves.
"One had a bag on their back and one was carrying a white sack or bag."
Witnesses or anyone with information are asked to contact Northamptonshire Police on 101. Alternatively, they can call Crimestoppers anonymously on 0800 555111.