Peter Lilley Elections won
Parliament Member page for Peter Lilley
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 | Majority |
| 7 May 2015 | Hitchin and Harpenden | General election | Con | 31,488 | 56.9% | 20,055 |
| 6 May 2010 | Hitchin and Harpenden | General election | Con | 29,869 | 54.6% | 15,271 |