The Budget is an important part of Government operations, laying out several economic parameters for the UK.

One of the key parts of the Budget is to forecast outcomes for the economy and public finances for the next five years.

This is a service provided by the OBR, which does it twice a year.

It accompanies the Budget Statement (usually in late November) and the Spring Statement (usually in March).

🚨 BREAKING: The OBR's report has been leaked in full before the Budget in an unprecedented move

Taxes will rise by £26bn by 2029 and the income tax thresholds will be frozen for three more years https://t.co/tdyRz0cSU8

— Politics UK (@PolitlcsUK) November 26, 2025

But what is the OBR and what else does it provide?

What is the OBR?

According to its website , the OBR (Office for Bu

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