By Chris Dorrell Anxious pensioners helped drag consumer confidence down its lowest level this year, a new survey shows, as concerns about the Budget clouded the outlook for households. Just one in six consumers think that the economy will improve over the next year while half think it will get worse, according to Which? Of those expecting the economy to deteriorate, 64 per cent cited government tax changes as a key factor while 60 per cent pointed to the change in government. Which? said this “clearly alluded to anticipated spending and tax changes in the upcoming autumn Budget”. Things were …