At the Liberal Democrat annual conference in Brighton, party leader Ed Davey unveiled a significant economic policy proposal centered on a £17bn income tax cut. The plan seeks to increase the personal allowance—the threshold at which individuals begin paying income tax—to £15,000. Additionally, the proposal includes raising the threshold at which earners begin paying the 40p higher rate of income tax by approximately £6,000.

Davey stated that the policy is designed to appeal to former Conservative voters who may be considering alternative political options. However, the announcement has reportedly caused some friction within the party. According to The Guardian, some Liberal Democrat MPs have expressed concerns that the proposal lacks the "bolder vision" they had hoped for, suggesting a divide between the leadership’s pragmatic electoral strategy and the expectations of certain party members.

Regarding the funding of the £17bn initiative, the Liberal Democrats maintain that the tax cuts will be entirely self-funded through increased economic growth. The party argues that this growth will be stimulated by policies such as rejoining the European single market, though specific details on the timeline and mechanics of this economic expansion remain a point of internal debate and external scrutiny.