A white Audi A1 car, registration number AF12 VJZ, has been stolen from outside a house in Bourne.
Intruders got into a house in Oak Crescent and police believe the burglary happened during daylight hours.
It came after a house in Home Close, Bourne, was burgled between Saturday and Sunday.
In both cases, entry was made through a kitchen door and anyone with information should call 101, quoting incidents 53 of September 21 (0ak Crescent) and/or 157 of September 20 (Home Close).
You can also call Crimestoppers, anonymously, on 0800 555 111.