Intruders broke into a garage and stole electrical tools from outside a house in Burton Lane, Billingborough.
It happened on Thursday, November 19 when the garage’s back door was forced open at about 2.30am.
Police are looking for a bronze Chrysler Voyager, with part registration T558 R**, that was seen in the area around the time of the theft.
There were also reports of a man wearing a head torch who was in the area.
Anyone with information should call 101, quoting incident 323 of November 21.
Meanwhile, police are looking for the owner of a dark grey Nissan pick-up truck in connection with the theft of diesel from a building site in Bourne.
The theft was discovered when the Nissan’s alarm was heard sounding in Bath Close some time overnight between November 23 and 24.
Anyone with information should call 101.