The 1968 Sheffield Brightside by-election of 13 June 1968 was held following the death of Labour MP Richard Winterbottom. [1] The seat was very safe, having been won by Labour at the 1966 general election by over 19,000 votes [2]
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Labour | Richard Winterbottom | 26,653 | 75.90 | +5.2 | |
| Conservative | Raymond Hadfield | 7,476 | 21.29 | −4.5 | |
| Communist | Howard Hill | 989 | 2.82 | −0.7 | |
| Majority | 19,177 | 54.61 | +9.7 | ||
| Turnout | 35,118 | 66.2 | −4.1 | ||
| Labour hold | Swing | ||||
The Labour Party held the seat with a much diminished majority.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Labour | Edward Griffiths | 14,179 | 55.21 | −20.69 | |
| Conservative | Colin Renfrew | 8,931 | 34.77 | +13.48 | |
| Communist | Robert Wilkinson | 1,069 | 4.16 | +1.34 | |
| Independent | Ronald Guest | 918 | 3.60 | New | |
| Independent | H. L. Lambert | 586 | 2.30 | New | |
| Majority | 5,248 | 20.44 | −34.17 | ||
| Turnout | 25,683 | ||||
| Labour hold | Swing | ||||