They say a quantity of jewellery was stolen after entry was forced into a house in Scarletts Close, on the Rocks Park Estate.
The break-in happened between 10am on Saturday, May 28, and 1pm on Saturday, June 4.
The occupants were away at the time and entry was forced at the rear of the house.
Items including a watch, bracelets, necklaces, earrings, a locket and various brooches were reported stolen.
Police say anyone with information is asked to contact firstname.lastname@example.org or call 101, quoting serial 709 of 04/06.
Find local businesses in our Uckfield Directory
How to advertise on UckfieldNews.com