Thieves smashed through glass to break into a house in Stony Stratford last week.
Between 10.30am and 1.20pm on Tuesday, offenders searched The Limes property, but it does not appear that anything was stolen.
It is thought they may have been disturbed.
Anyone with information regarding this incident please contact PC Jacqueline Baverstock from Milton Keynes police station on the non-emergency enquiry centre number 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.