Caravans have been stolen from the White Hill Farm site in Pitton.
Overnight on Sunday, February 19, two caravans, an Olympus 2012 model 620/6, and a Bailey Barcelona, were stolen, and five other caravans broken into.
Enquiries are ongoing to itemise what property was stolen from the five caravans.
Police want to hear from anyone who has information or who saw caravans being towed, or on a low loader, in the area on Sunday night.
Contact PC Jason Fisher at Bourne Hill Police Station on 101, or Crimestoppers 0800 555 111 anonymously if preferred.