If an MP swaps political party mid-term, a by-election is mandatory in 25 days.
Force an MP who changes political party, (to a different political party), mid-term to resign. Making a by-election in that MP's constituency mandatory.
Signatures
8
signatures
Government response threshold (10,000) · 8/10,000
Debate threshold (100,000) · 8/100,000
- 26 FEB 2026Petition rejectedduplicate
You may wish to sign the following petition, which calls for similar action: By-elections to be called automatically when MPs defect to another party https://petition.parliament.uk/petitions/737660
- 23 JAN 2026Petition created
Background
Democracy and Constituents deserve the right to reaffirm their faith (or otherwise) in their MP, especially after the MP makes such a dramatic change in their personal beliefs.