Office for Budget Responsibility: Forecasts
The question
To ask the Chancellor of the Exchequer, when she was first informed by officials in her Department that the Office for Budget Responsibility was likely to conduct a review of their productivity forecasts.
Answered by Lucy Rigby
The OBR regularly reviews its forecast assumptions. As set out in its latest annual Forecast Evaluation Report, published in July 2025, the OBR noted that they are "currently conducting our regular summer supply stocktake, which involves research into our potential output forecast and its components."
As the Government’s independent official forecaster, the OBR has full discretion over the judgements underpinning its forecasts.
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