Multiple challengers affecting election outcomes
The first by-elections of the year suggest a continuation of the 2025 pattern when new records were set.
The first by-elections of the year suggest a continuation of the 2025 pattern when new records were set.
Last year established a new record for the rate at which by-election seats are changing hands.
The new multi-party politics is having a noticeable impact on the proportion of seats changing hands and the low share of the vote often needed for victory.
It is little wonder that those attending the recent Labour and Conservative party conferences spent much of their time looking over their shoulders at Reform UK.
Local by-elections continue to see Reform UK mainly, but not exclusively, progress against both main parties. Volatility abounds, with 16 of 35 seats changing hands.
The 1 May elections saw hundreds of seats changing hands, but recent by-elections show turnover accelerating; of 23 recent by-elections, 61 per cent resulted in the defending party being defeated.
The council elections on 1 May opened a fissure in the pattern of local government in England.
The council elections on 1 May opened a fissure in the pattern of local government in England.
Recent by-elections show a trend towards higher candidate numbers: almost half the contests last year had five or more candidates on the ballot.