ONS said the largest contribution came from the service sector, which added more than 0.55 percentage point to the gross domestic product. Construction businesses added about 0.15 percentage point with a 2.5 percent expansion in the quarter, ONS said.
Production grew 0.5 percent, which includes a 0.9 percent increase in manufacturing, ONS said.
The economy has expanded 1.5 percent over the third quarter of 2012, the data office said.
The gain follows a 0.7 percent gain in the second quarter.
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