Items including watches, a laptop, jewellery and cash, were stolen from a house in Daventry on Thursday night last week.
The burglary happened in The Stour, on the Grange estate, between 10.30pm on Thursday August 20, and 6.30am the following morning.
A TAG Heuer and an Armani watch were among the items stolen. In addition an HP Probook core i3-400 laptop, a Julia Macdonald handbag, credit cards, jewellery and cash were taken.
Witnesses or anyone with information about this incident is asked to contact police on 101 or Crimestoppers anonymously on 0800 555 111.