After joining the
Conservative Party, Townsend was recruited as a personal assistant by
Edward Heath, the party leader, in 1968.
Member of Parliament Townsend was made a member of the Select Committee on Violence in the Family, and concerned about
child sexual abuse, was the sponsor of the
Protection of Children Act 1978, which he introduced as a
private member's bill in 1977. After retaining his seat at the
1992 general election with a majority of 14,086, he served on the Foreign Affairs Select Committee. After the 1997 boundary changes he was not selected as a candidate for
Bexleyheath and Crayford and left Parliament having been knighted in the
1997 New Year Honours.
Outside Parliament Townsend was part of the
Council for Arab-British Understanding. He served as joint chair during the 1980s, and became joint president in 1996. After retiring from Parliament he took this role full-time until stepping down in 2002. In 2005 he became disillusioned with the Conservatives. In 2006, having joined the
Liberal Democrats due to support for European integration, he supported
Menzies Campbell's bid for the party leadership. == Journalism ==