Have your say on government e-petitions

Force a by-election if a sitting MP changes political party

Submitted on Friday 16th January 2026

Rejected on Tuesday 3rd February 2026

Current status: Rejected

Rejection code: duplicate (see below for details)

Petition Action

Force a by-election if a sitting MP changes political party

Petition Details

Insist that a sitting MP who has been elected on a specific platform for a specific party, will be required to undergo a local By-election if they change political allegiance/party.

Additional Information

They will have been elected on a specific platform and set of policies and represent a set of defined political ideals. To then jump ship to another party negates the backing of the public who will have voted for them based on a defined set of political principles and policies.


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This petition was rejected

The Government e-Petitions Team gave the following reason:

There's already a petition about this issue. We cannot accept a new petition when we already have one about a very similar issue.

You are more likely to get action on this issue if you sign and share a single petition.

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
petition.parliament.uk/petitions/737660

Have your say on this petition!

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216.73.217.50 Sun, 21 Jun 2026 00:22:56 +0100