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Public finance

Chancellor's Fiscal Headroom Under Threat as Borrowing Costs Rise

Strategic Insights

— 2 min read

Rachel Reeves' attempts to maintain a strict fiscal agenda are being put to the test as rising borrowing costs erode her headroom for further spending and tax hikes. The chancellor's promise to avoid breaking her "ironclad" fiscal rules is facing growing skepticism as problems pile up, including sluggish medium-term growth, US President Donald Trump's trade wars, and a possible downgrade in productivity forecasts.

Key Takeaways:

  • The IMF has warned that the UK's fiscal strategy is "credible and growth-friendly" but also "highly dependent on the pace of economic growth" and vulnerable to "significant risks" if shocks arise.
  • The chancellor's headroom against her fiscal rules is estimated to be around £9.9bn, but some economists reckon it will be eviscerated, leaving her having to find billions of pounds to keep balancing the books.
  • The Treasury is considering tweaking the UK's fiscal framework to promote "policy stability" between Budgets, but this may require changes to the Office for Budget Responsibility's (OBR) duties.
  • The OBR currently assesses the government's fiscal rules every time it produces a forecast, which some argue creates unnecessary chaos and speculation around tax increases.
  • Facing a likely shortage of fiscal headroom, the chancellor may be forced to consider breaking her "ironclad" fiscal rules or raising taxes, such as income tax, employee national insurance, or value added tax, to accommodate permanent increases to public spending.

Statistics:

  • £40bn: The amount of higher taxes announced by the chancellor in the October Budget.
  • £70bn: The amount of extra public spending announced by the chancellor in the October Budget.
  • £14bn: The amount of last-minute savings made by the chancellor in March to stay within her fiscal rules after OBR forecasts worsened.
  • £9.9bn: The estimating headroom against the chancellor's fiscal rules.
  • £1.5bn: The cost of restricting winter fuel payments for pensioners.
  • £3.5bn: The estimated cost of cutting the two-child benefit cap.

Sources:

  • Rachel Reeves quoted in "It's pretty inevitable that she will have to raise taxes, because what I can't see is cuts in spending" - LSEG (no date)
  • Stephen Millard, interim director of the National Institute of Economic and Social Research, as stated in "The [fiscal] rules are almost certainly going to be broken." - LSEG (no date)
  • Isabel Stockton, senior research economist at the Institute for Fiscal Studies, as stated in "it's always difficult to raise substantive amounts in a way that's predictable without touching the big three taxes" - LSEG (no date)
  • IMF Article IV report on the UK economy - IMF (no date)
  • OBR forecast - OBR (no date)
  • Resolution Foundation report - Resolution Foundation (no date)

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