Burglars escaped with jewellery when they broke into a house in Steyning on Thursday.
Police say that the break-in happened at a property in Norman Way between 11am and 1.45pm.
In other break-ins, thieves stole a number of bicycles from two separate properties.
Five bikes were taken when burglars targeted the garage of a house in Broomers Hill Lane, Pulborough, on June 21.
And, say police, another four cycles were stolen when theives forced open the garage of a house in Harbolets Road, West Chiltington, some time between 11pm on June 27 and 7am on June 28.