Peter Duncan Elections contested
Parliament Member page for Peter Duncan
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Position |
| 6 May 2010 | Dumfries and Galloway | General election | Con | 16,501 | 31.6% | 2nd |