LONDON- Britain's finance minister Rishi Sunak has said the government will review the surcharge levied on bank profits, in a bid to keep the UK competitive with rival financial centres in the United States and the European Union.

Sunak said in his Budget statement on Wednesday he was launching the review so that the combined tax burden on banks did not rise significantly after planned increases to corporation tax.

Leaving the surcharge unchanged would make UK taxation of banks "uncompetitive and damage one of the UK's key exports", the government said in its Budget document.

Changes will be laid out in the autumn and legislated for in the forthcoming Finance Bill 2021-22, the document said.

The surcharge on bank profits raised 1.5 billion pounds ($2.09 billion) for the government in 2020, the document showed.

It is separate to the more lucrative bank levy on bank balance sheets, which raised 2.5 billion pounds. ($1 = 0.7165 pounds)

(Reporting by Iain Withers, Editing by Huw Jones) ((Iain.Withers@thomsonreuters.com;))