Expensive watches and jewellery were stolen after a crook used a ladder to climb through the window of an Aston Clinton house.
A person in a hooded top carrying a large ladder was seen near the incident, which happened in London Road between 4.45pm and 5.45pm on November 15.
Police have appealed for anyone with information to contact Det Con Bruce Wilson on 101 or Crimestoppers anonymously on 0800 555 111.
