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UK budget watchdog expects to downgrade productivity outlook, FT reports

Published by Global Banking & Finance Review

Posted on September 16, 2025

2 min read

· Last updated: January 21, 2026

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UK budget watchdog expects to downgrade productivity outlook, FT reports
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LONDON (Reuters) -Britain's budget watchdog has told finance minister Rachel Reeves that it was likely to downgrade its productivity forecasts, adding to fiscal pressures ahead of her annual budget on

UK Budget Watchdog Likely to Lower Productivity Forecasts Ahead of Budget

Impact of Productivity Downgrade on UK Budget

LONDON (Reuters) -Britain's budget watchdog has told finance minister Rachel Reeves that it was likely to downgrade its productivity forecasts, adding to fiscal pressures ahead of her annual budget on November 26, the Financial Times reported on Tuesday.

Government Official Insights

"We don't know precisely what they are going to say on productivity, but we have been given indications there will be a downgrade," the FT quoted an unnamed government official as saying.

Economic Predictions and Fiscal Gaps

Britain's finance ministry had no immediate comment on the report, which raises the prospect of bigger tax rises later this year.

Implications for Tax Policy

The Office for Budget Responsibility's forecasts of Britain's future productivity growth have long been higher than those of most private-sector economists and the Bank of England.

In July, the OBR said it had been too optimistic in its past growth forecasts, increasing expectations among economists that there would be a downgrade later in the year.

J.P. Morgan economist Allan Monks said at the time that a 0.1-0.2 percentage point downgrade in the OBR's budget forecast would cost the public finances 9-18 billion pounds ($12 billion-$25 billion) a year.

The Office for Budget Responsibility forecast in March that Reeves only had a narrow 9.9 billion pounds of leeway to meet her main self-imposed budget target of balancing day-to-day spending with tax revenue in 2029/30.

The FT reported that officials thought the total fiscal hole in November's budget could run to "tens of billions" of pounds, with the OBR downgrade making up a large part of this.

Last month, the National Institute of Economic and Social Research think tank predicted that Reeves would need to undertake more than 50 billion pounds of fiscal tightening to restore her 10 billion pounds of headroom.

Many other economists have forecast a gap of at least 20 billion pounds.

($1 = 0.7330 pounds)

(Reporting by David Milliken; Editing by Alex Richardson)

Key Takeaways

  • UK budget watchdog may lower productivity forecasts.
  • Potential fiscal pressures ahead of the November budget.
  • Impact on tax policies and public finances.
  • OBR's forecasts have been more optimistic than others.
  • Possible fiscal tightening needed to meet budget targets.

Frequently Asked Questions

What is productivity?
Productivity measures the efficiency of production, typically defined as the ratio of outputs to inputs in the production process. It indicates how effectively resources are utilized.

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