TUC general secretary Brendan Barber has said the stubbornness of inflation, combined with poor wage growth, was putting real pressure on people's finances in the run up to Christmas.
Unison general secretary Dave Prentis added that the latest figures were the "lull before the storm", saying:
Big increases in energy prices are set to hit in the new year and the cost of feeding a family just keeps on going up. More than a million public sector workers have not had a pay rise for three years and the value of their take home pay just keeps on going down.
More top news
Another disappointingly breezy and cool day for late July and a similar theme tomorrow.
The son of a coke plant foreman has won the right in principle to seek compensation for his father's death from respiratory problems.
A man from Northampton has admitted climbing on to the roof of Parliament and causing £5,500 of damage in an eight-hour police stand-off.