A galvanised trailer has been stolen from a driveway in Windsor Drive, Spalding.
The trailer, with sheet metal sides, was secured with a ground bolt which was cut by thieves who struck overnight on Saturday March 15.
In a separate incident, police in Bourne are looking for a Ford Transit stolen from the driveway of a house in Saxon Way, Bourne.
The blue van was taken between 8pm on Thursday March 13 and 5.15am the next day.
Anyone with information should call 101.