He contested the Parliamentary seat of Ludlow in 1966 and a by-election in Dudley in 1968 before being elected for Dudley in 1970 and (after boundary changes) Dudley East in 1974, which he represented until 1997, when it became part of the new Dudley North constituency (which was held by a new Labour MP) and Gilbert retired from the House of Commons.
After his retirement from the House of Commons, he was created a Life Peer as Baron Gilbert, of Dudley in the County of West Midlands on 16 May 1997[5] and from 1997 to 1999 he was the Minister of State for Defence Procurement in Tony Blair's first government.[4]
Always a staunch proponent of Britain's independent nuclear deterrent, he caused controversy[6] when he proposed neutron bombing the Afghanistan-Pakistan border to "prevent people from infiltrating from one side to the other."[7] In October 2012 he said in the House of Lords "The A400M [the RAF's new transport aircraft] is a complete, absolute wanking disaster, and we should be ashamed of ourselves. I have never seen such a waste of public funds in the defence field since I have been involved in it these past 40 years."[8]
Personal life
Gilbert was married twice, firstly in 1950, to Hillary, daughter of Lord Strabolgi. They had two daughters, before divorcing in 1954.