The former Eton and Slough was a safe Labour area until the Conservatives gained the new Slough seat in 1983, and held it until 1997 before Labour regained the constituency.
The former Eton was a safe Labour area. Slough was a safe Labour area. The Conservatives gained the new Slough seat in 1983. Before Labour regained the constituency. This was what the Conservatives held it until 1997.