1900 General Election - South East Durham
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | South East Durham |
| Turnout | 79.1% |
Results
| Candidate | Party | Votes |
| Lambton, Frederick William | Liberal Unionist | 6,198 |
| Richardson, Joseph | Liberal | 5,524 |
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | South East Durham |
| Turnout | 79.1% |
| Candidate | Party | Votes |
| Lambton, Frederick William | Liberal Unionist | 6,198 |
| Richardson, Joseph | Liberal | 5,524 |