Elections to Dacorum Borough Council in Hertfordshire, England were held on 3 May 2007. The whole council was up for election with boundary changes since the last election in 2003 reducing the number of seats by one.[1] The Conservative Party remained in overall control of the council after winning 44 of the 51 seats which they partly attributed to national events, while the Liberal Democrats lost 2 seats but were pleased to become the official opposition.[2]