Burglars smashed a window to break into a property in Watton before stealing a bank card and about £50 in cash from a wallet.
It happened in Watton Green between 10.45pm on Monday, May 6 and 2.45am on Tuesday, May 7.
Police believe suspects smashed a kitchen window to break-in before reaching inside to open a larger window.
Officers are keen to hear from anyone who may have witnessed the incident or noticed anything suspicious in the area between the times stated.
Anyone with information should call officers at Thetford CID on 101, quoting crime reference 36/30292/19. Alternatively, call Crimestoppers anonymously on 0800 555 111.
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