Britvic posted a rise in pre-tax profits for the year but warned of a challenging consumer environment ahead as write-downs on Irish operations hit its balance sheet.

The Robinsons maker reported a 22% increase in profits to £104.6m for the 52-week period to 26 September versus £86.1m a year earlier. It also raised its full-year dividend to 16.7p from 15p. Its GB take-home market returned to growth in 2010, up 2.3% in volume and 6.3% in value thanks to strong performance from carbonates.

Britvic took a £104.2m writedown on its Irish operations as the decline in the soft drinks market dragged on revenue and profits. The company was reviewing the scale and effectiveness of the operations and would report back in due course, it said.