Anna Turley

Anna Turley

Labour (Co-op) — Redcar

Speaking in the House of Commons on 16 March 2026

Debate

Member Defections: Automatic By-elections

Contribution

The hon. Gentleman raises a really important point. There is always a balance and a trade-off, which we all make as MPs, between that judgment and a sense of shared and collective responsibility. It comes back to the point I made at the beginning: we cannot achieve much on our own. We achieve much more when we are together, and political parties rise or fall on unity. It is for every MP to decide where their conscience lies. If they genuinely believe that their party is going against the principles and the will of their constituents, they have the opportunity to make that decision, but, ultimately, they must pay the price by losing the Whip. That is party discipline and collective responsibility. The hon. Gentleman raises a really important challenge, which we all think about often. In the scenario that I described, in which we shifted to a system in which, once elected, an MP is accountable to their party’s leaders in Westminster, MPs who disagree with their party’s leadership, or feel that their political party is moving in a direction that they are uncomfortable with, may lose an important way to express their dissatisfaction. In the last Parliament, former MPs defected from the Conservative party because many felt that they were unable to deliver on the promises they made to their country. I understand the appeal of an automatic by-election to petitioners and to some Members of this House, but that would not make our parliamentary democracy stronger. We must also consider the more practical impact of the petition’s proposal on our constituents. We all know the importance of our constituents having their own voices represented in Parliament. A by-election is a significant event. Members across the House know that it is costly to the public purse but, more importantly, it disrupts a constituency’s representation in this place. During a by-election campaign the seat is effectively vacant; casework stalls, the community loses its voice in Parliament for weeks or months, and the focus shifts to campaigning and the result’s implications for the Government of the day, rather than the issues that matter most to local residents. Under our current system, when an MP changes affiliation, that work continues uninterrupted. The MP remains in post, serving their constituents and helping to support them with local issues. Naturally, that does not mean that MPs should be unaccountable for defecting to another party, but, as I have said, the remedy for that already exists in a general election. Of course, if an MP feels it is necessary to seek a fresh mandate, they are free to resign from both their party and their seat and fight a by-election immediately. I personally think that that would demonstrate an integrity that the public would welcome. In either case, the crucial thing is that MPs remain accountable to their constituents. We do, of course, have a mechanism—

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