Police are seeking details of a green Volvo estate and men in dark clothing seen near a burglary in Barrow on Friday.
Offenders forced access to a house in Papeley Meadow at about 3.15pm by smashing a glass door pane and a quantity of jewellery was taken.
Police are particularly keen on hearing from anyone who saw a green Volvo estate with tinted windows in the area or three men in dark clothing and woollen baseball caps acting suspiciously.
The men are described as about 5 foot 10 inches tall, of medium build and had their faces partially covered with scarves.
Call Suffolk Police 101 quoting 37/22171/17.