Chancellor Set to Raise Bank Taxes in Autumn Budget, CBI Warns

By Olivia Hart

Chancellor John Healey is set to raise taxes on banks in his autumn Budget, according to rolling coverage of UK economic news dated October 15–16, 2026. The plan has drawn an immediate warning from the Confederation of British Industry, which says the government should avoid what it calls further sector-specific taxation.

The report itself is thin on detail. It does not state the size of the proposed increase, the mechanism — surcharge, levy or headline corporation tax — or the revenue the Treasury expects to raise. What it does establish is the direction of travel: banks are the target, and the Budget is the vehicle.

What does the CBI actually want?

The CBI's chief economist, Louise Hellem, made the lobby group's position explicit. She said:

"The financial services sector is vital to driving investment, innovation and business growth across the economy. Government has set the right direction through its Financial Services Growth and Competitiveness Strategy and the Leeds Reforms – the priority now is delivery."

That is a careful construction. Hellem concedes the government's strategy is pointed the right way, then argues a bank tax would contradict it. The CBI is not attacking the Treasury's broader agenda; it is attacking one instrument within it.

Her second statement pushes the point further:

"The autumn Budget should set the agenda for a competitive and predictable environment that turns those reforms into tangible progress, unlocking domestic investment, deepening UK capital markets and helping more firms to scale and grow."

Two words carry the weight here: competitive and predictable. A sector-specific tax rise, in the CBI's framing, is neither. Banks cannot plan capital allocation around a levy that appears with each fiscal event.

Who is the CBI speaking for?

Hellem closed with a framing argument aimed directly at public perception:

"People too often see them as big, distant financial institutions, when they are hardwired into the economic fabric of this country and our future prospects."

This is the political heart of the dispute. Bank taxes poll well precisely because banks are unpopular; the CBI is trying to reposition lenders as infrastructure rather than targets. Whether that argument lands with a chancellor hunting revenue is another matter — the coverage does not report any Treasury response.

It is also worth noting what the CBI does not say. Hellem does not quantify the investment at risk, does not cite relocation threats, and does not name a figure for the sector's contribution. The argument is qualitative. That does not make it wrong, but it leaves the claims hard to stress-test against the Treasury's own numbers.

What is not yet known?

The gaps in the story are substantial, and investors will want them filled before Budget day:

• The size of the proposed bank tax increase — no figure appears in the coverage.
• The structure: whether it raises the bank surcharge, adjusts the levy, or uses another mechanism.
• Expected revenue, and whether it is earmarked or flows to general spending.
• Any analysis of competitive impact against other financial centres.
• Whether the Leeds Reforms, which the CBI endorses, survive alongside the tax rise or are trimmed to compensate.

Each of these questions is answerable only when the Budget is published. Until then, both the Treasury's fiscal case and the CBI's competitiveness case rest on assertion rather than arithmetic.

What does this mean for the Budget?

The timing matters. The intervention lands days before an autumn Budget in which Healey must reconcile spending pressure with revenue raising. Banks are a concentrated, taxable target — but they are also the sector the government has just promised to grow through its Financial Services Growth and Competitiveness Strategy.

The CBI's implicit argument is that the Treasury cannot do both: tax the sector harder and expect it to deepen UK capital markets and help firms scale. Hellem's phrase "the priority now is delivery" is a polite way of saying the reforms are at risk of being undercut by the tax code.

The government has not yet replied, at least not in the reported coverage. When it does, the number that matters will not be the rhetoric but the size of the levy — and whether the Treasury has modelled what a less competitive banking sector costs in foregone investment over the years ahead.

The takeaway in plain words: a bank tax rise is coming, the country's leading business lobby says it contradicts the government's own growth strategy, and nobody has yet published the numbers that would settle the argument.