Complex sentence: He was the Liberal Democrat candidate in his home constituency of Watford at the 2001 general election, then moved to Holt in Wiltshire and from 2003 to 2007 served as a member of West Wiltshire District Council.
Split into simpler sentences: He was then the Liberal Democrat candidate in his home constituency of Watford at the 2001 general election. He moved to Holt in Wiltshire, and from 2003 to 2007 served as a member of West Wiltshire District Council.