 In 2018, the Local Government Boundary Commission for England began the first review of the divisions, on the grounds that in two of them the number of electors deviated from the average by more than 30%.Following consultations, their proposal, enacted by Parliament in March 2020 as the Wiltshire (Electoral Changes) Order 2020 and coming into effect at the 2021 elections, kept the total at 98 but redrew boundaries and renamed divisions in several areas.Since the first election to the council in 2009, political control of the council has been held by the following parties