A house in Beacons Bottom was broken into on Wednesday.
At a time between 6.55am and 5pm on Wednesday, a house in Water End Road was broken into and jewellery was taken.
Police believe that entry was gained using a tool.
Investigator Hannah Hargreaves, of High Wycombe police station said: “If anyone thinks they witnessed anything or could have CCTV footage from in this area, please contact the 24-hour non-emergency number 101, quoting 43190209951 or make a report online.
“If you don’t wish to speak directly with police, you can call the independent charity Crimestoppers for 100% anonymity on 0800 555 111 or make a report online.”
For more advice on protecting your home and belongings, visit the Thames Valley Police website.
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