UK banks brace for possible tax hike

Interior of a generic UK bank branch on a grey day, reflecting worries over a higher UK bank tax surcharge

Key Points

01Labour is weighing a higher bank surcharge in John Healey’s Oct. 28 budget
02Raising the surcharge to 8% could cut profits at major UK lenders
03UK bank stocks have fallen over 8% in a month on tax concerns
04Fiscal pressures and strong bank profits are shaping the tax debate

Healey’s budget puts higher bank taxes in focus

UK banks are bracing for a potential tax increase as Chancellor of the Exchequer John Healey prepares his first budget on Oct. 28. The government is weighing changes to the bank surcharge, a levy currently set at 3% on top of the 25% corporation tax rate. Any move to raise the surcharge would increase the overall tax burden on banks compared with the structure in place before corporation tax was raised.

The bank surcharge had been reduced when corporation tax rose in 2023, and restoring it to a higher level would reverse that relief. With capital gains tax increases ruled out, lenders are seen as a prime target for raising additional revenue. Banks have stepped up lobbying in response, warning about potential effects on growth and lending.

Potential impact of a move back to an 8% surcharge

One scenario under discussion is restoring the bank surcharge to 8%, where it stood prior to 2023. Analysts estimate that such a change would restrict net profit at Barclays (BARC.L) by 2% to 3%. For Lloyds Banking Group (LLOY.L) and NatWest (NWG.L) Group, the estimated profit impact is 6% to 7%.

The surcharge is applied on top of the 25% corporation tax rate, so lifting it now would result in a higher combined rate than under the old regime when corporation tax was lower. Analysts have described a modest increase as a headwind for earnings and sentiment, but not one that would fundamentally alter profitability trajectories for the largest lenders.

Market reaction and earnings backdrop

Expectations of a higher bank surcharge have already weighed on UK bank stocks. The FTSE 350 Banks Price Return Index fell by a little more than 8% over the month to Oct. 20 as investors priced in the risk of higher taxes. While investors are concerned, some market views suggest that a surcharge increase may not severely damage overall sector profitability.

The tax debate comes as major lenders prepare to report third quarter results. Consensus forecasts point to Barclays (BARC.L) delivering £2.4 billion of pretax income, which would be 17% higher year over year. NatWest (NWG.L) is projected to post about £2.2 billion of pretax income, roughly 1% above the previous year, underscoring that profits remain solid even as tax headwinds build.

Fiscal pressures and political arguments

The discussion over bank taxes is unfolding against a challenging fiscal backdrop. National debt has exceeded £3 trillion over the initial six months of the fiscal year, and the deficit over that period stands at £97.8 billion. Healey has pledged to maintain fiscal discipline and support growth while giving businesses and families some breathing space, framing the bank surcharge as only one part of a broader fiscal agenda.

Stakeholders are divided over the merits of higher bank taxes. The Confederation of British Industry has warned that raising levies on banks ahead of the autumn budget risks undermining economic growth. Trade unions have taken the opposite view, backing a reversal of the earlier surcharge reduction and pointing to around £15 billion of combined profit generated by the four largest banks in the first six months of the year as evidence that they can shoulder a larger tax bill.

Ministers are reportedly considering undoing the prior cut that reduced the surcharge from 8% to 3% when corporation tax was raised. Any decision in the Oct. 28 budget will determine how much of the fiscal adjustment is borne by the banking sector at a time when earnings are rising and political pressure over the distribution of the tax burden is intensifying.

Key Takeaways

01A higher bank surcharge would lift UK lenders’ total tax rate above the level that applied before the 2023 corporation tax rise.
02Analyst estimates indicate that even an 8% surcharge would dent but not overturn profit trajectories at the largest UK banks.
03Market pricing has already shifted on tax expectations, with bank shares sliding, suggesting investors see higher levies as a real possibility.
04Strong recent profits and significant fiscal pressures are central to arguments for targeting banks as a revenue source in Healey’s first budget.
05Business groups and unions are pulling in opposite directions on bank taxation, highlighting competing priorities of growth, fiscal repair and perceived fairness.

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