Two homes were targeted by burglars in Diss and Roydon in the same day.
Detectives are appealing for information following the break-ins on Monday, October 29.
The first incident took place at an address in Russet Road, Diss, sometime between 9.30am and 9.30pm.
The offender broke in through a back window and carried out a search. Detectives are still trying to establish what exactly has been taken from the property.
In the second incident, a burglar broke into a property in Linden Grove, Roydon, by smashing a conservatory window sometime between 6pm and 9.45pm. It is unclear at this stage what has been taken.
Any one with information is asked to contact Det Con Lee Hall at Norfolk Police on 101 or Crimestoppers anonymously on 0800 555 111.
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