Two laptops, jewellery and cash have been taken from a Vale home.
Police are appealing for witnesses after the incident which happened between 3.15pm and 4.45pm on Friday afternoon at Sandholme in Steeple Claydon.
Criminals broke into the property through a rear door before stealing the items.
Anyone with information is asked to contact Det Con Emma Francis from Aylesbury police station through the Thames Valley Police enquiry centre on 101.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.