Moody's Investors Service said its report regarding the U.K. economy on Monday. Moody's expects the U.K. economy to expand at 2.7% in 2015 and 2.4% in 2016.

The Senior Credit Officer at Moody's Kathrin Muehlbronner noted that the U.K. economic growth remained unbalanced and was driven by domestic demand and the services sector.

According to the report, the UK's debt ratio is expected to be 91.5% of GDP in 2016.

The agency named to risks, which could have an impact on the UK's sovereign rating: the referendum on EU membership and the accelerated pace of decentralisation of fiscal powers to Scotland and other regions and cities.