Thieves used a hidden key to let themselves into a house in Bletchley last week.
Once inside they stole a Sony laptop and charger between 12.30am and 7.30am on Tuesday at Byerly Place.
Thames Valley Police officers have issued a reminder to householders not to hide keys outside of their property.
If you have any information regarding this incident, please contact Det Con Wendy Cissell from Milton Keynes CID, via the Thames Valley Police Enquiry Centre on 101.
If you don’t want to speak directly to the police, you can contact Crimestoppers anonymously on 0800 555 111.
No personal details are taken, information is not traced or recorded and you will not go to court.