Results of the Royston ward by-election held on Thursday 10 October 2013.
| Candidate | Party | Votes |
| Baker, Mark | British National Party | 28 |
| Buckley, Paul | Conservative | 100 |
| Johnson, James | UK Independence Party (UKIP) | 393 |
| Makinson, Caroline | Labour | 1,143 Elected |
| Saxton, Justin | The English Democrats - 'Putting England First' | 32 |
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