Money has been stolen from a safe at a house in Woolsthorpe by Colsterworth.
The burglary took place in Woolsthorpe Road on Friday between 5.30pm and 8pm. Entry was gained through a bedroom window, but the back door was unlocked.
A police spokesman said: “Please be vigilant in locking your property, even if you are in, especially if you are situated away from the unlocked entrance.”
If anybody has information on the burglary call 101, quoting incident number 437 of March 7.