Traitor or Faithful: Will Chancellor Rachel Reeves’ Autumn Budget Remain Faithful to Government Promises?

In offices across Westminster and beyond, the chatter around the proverbial office water cooler has been focused on who will take the prize on the eve of the much-anticipated The Celebrity Traitors finale. For tax advisors, the office chatter flits between The Celebrity Traitors and predictions around the Autumn Budget. As contestants scheme and betray on screen, real-world headlines focus on Chancellor Rachel Reeves’ pending Budget announcement, set for 26 November 2025. Against a haze of economic uncertainty and mounting pressures, will the Government stay faithful to its pledges?

The Office for Budget Responsibility (OBR) is poised to slash its economic forecasts, unveiling a shortfall estimated at £20-40 billion. Deep spending cuts feel like a political poison chalice, leaving tax hikes as the likely escape route. But who foots the bill? The Chancellor must balance revenue needs while igniting growth, a feat complicated by Labour’s manifesto vows; no rises in National Insurance, income tax rates, VAT or the headline corporate tax rate, which together comprise nearly 75% of receipts. Breaching these would brand the government a traitor to its word.

On 04 November, Reeves’ pre-Budget speech set the stage without spelling out policies, stressing stability and shared duty. Many see it as laying the groundwork and preparing the public for tax hikes and, perhaps, a manifesto-breaking U-turn.

Last year’s Autumn Budget stung businesses with major tax rises. More than half of the revenue raised was due to come from employers with National Insurance jumps effective April 2025. The Corporate Tax Roadmap offered solace and stability: a steady 25% headline rate, continued incentives meant to lure business such as full expensing, R&D tax reliefs and patent box remained.

With businesses still feeling the crunch from the National Insurance increases from last year’s Autumn Budget, further increases look unlikely, though recent speculation indicates the Chancellor may broaden the base to LLPs and introduce new Partnership National Insurance Contributions.

Business rates reform looms large per the Government’s 11 September interim report. Expect tweaks to spur investment: a marginal rate system with escalating bands taxed at increasing rates and enhancements to small business rate reliefs. These could lighten high-street loads, potentially aligning with fairer taxation goals.

Individuals face stealthy squeezes, despite the Government’s pledge not to raise income tax rates. Freezing thresholds already locked until 2028 in England pulls more earners into higher bands, quietly boosting Government coffers. But Reeves’ 2024 vow for inflation-linked rises from 2028-29 ties her hands; reneging now could lead to political banishment at the voter roundtable.

Entrepreneurs seek solace in the Plan for Change and Invest 2035, Labour’s productivity push, yet small and medium enterprises (SMEs) remain nervous over hiring, investing and planning amid uncertainty. The press release’s nod to an economy failing “working people” echoes last year’s focus, eyeing wealth for revenue. The OBR’s July 2025 sustainability report cautions against over-relying on high earners. Reeves dismisses broad wealth taxes as flawed, but party murmurs, likely fuelled by deputy leadership bids, create increased pressure to revisit.

Targeted jabs at wealth persist in rumours: potential changes to inheritance tax, including tightening the rules on lifetime gifts, additional changes to capital gains tax or even exit levies on departing assets when an individual leaves the UK. Property plays include Stamp Duty Land Tax (SDLT) reform, including an annual charge over one-off hits, to aid growth. Other ideas include National Insurance on landlords and SDLT on property-holding firms.

Labour stormed in vowing growth without a tax-and-spend approach; this Budget tests that mettle. As 26 November nears, the faithful public watch: will Reeves honour pledges, or will fiscal realities force betrayal? The traitor’s mask may slip, leaving voters to judge if the government will remain faithful.