At just after 1pm thieves broke into a home in Bicester Road, Oakley by damaging the front downstairs window.
Once inside a TV and cash were stolen.
Investigating officer PC Samantha Stansbie from Aylesbury CID said: “This is a busy road in a rural location and there may have been suspicious vehicles in the area at the time of this offence.
“I would like to appeal to anyone that may have been in the area and noticed anything suspicious to contact the police via the 101 number.”
Anyone with information about the incident should contact investigating officer PC Samantha Stansbie from Aylesbury Vale police station via the 24-hour enquiry line on 101.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.