The National Institute of Economic and Social Research (NIESR) released its estimate of gross domestic product (GDP) for the U.K. on Thursday. The GDP estimate rose by 0.7% in three months to July, after a 0.7% growth in three months to June.
"We expect an average rate of growth of 2.5 per cent for 2015 as a whole," the NIESR said.
The think tank expects the Bank of England to raise its interest rate in February 2016.