1963 Deptford by-election
The 1963 Deptford by-election was held on 4 July 1963 following the death of the incumbent Labour MP Sir Leslie Plummer on 15 April. The seat was comfortably retained by the future Cabinet Member John Silkin.
|Liberal||David John Howard Penwarden||4,726||22.55||n/a|
|Conservative||J D Brimacombe||4,023||19.20||-18.85|