Police are hunting for thieves who stole jewellery from a house in Fairfield Court, Cowfold.
Officers say the theft happened some time between 3pm and 5pm on Wednesday (March 27).
In a separate incident, thieves stole a lawn mower from a shed at a propety in Brighton Road, Shermanbury, overnight on March 26 and 27.
In other incidents, there was an attempted break-in at a property in Myrtle Close, Billingshurst, in the early hours of March 30.
And another attempted break-in was made at a house in Siskin Close, Horsham, between 11pm and 4am yesterday (April 1).
Police say that intruders tried to break in through patio doors but failed to get inside.