A wallet and keys were stolen from a house in Cowfold on New Year’s Eve while the home’s occupants were in another part of the property.
The Horsham Road home was entered between 7.30pm and 8pm.
Police said a set of keys and a large red leather wallet containing cash, bank cards and a driving licence were taken.
Access was gained via a rear door. Police added that a suspicious male was seen in the area wearing blue jeans and a beige jacket around the time of the incident and officers are investigating.
Anyone with information can call police on 101 quoting serial 1165 of 31/12/14.