I presume the figures were from this report which also states:
Labour's record on poverty and inequality
Labour had very clear objectives to reduce poverty amongst families with children and pensioners, and accorded these objectives high priority. Tony Blair made a famous commitment to end child poverty within a generation, and Gordon Brown promised to ‘to end pensioner poverty in our country”. However, it is much less clear that Labour took a strong view on the appropriate level of inequality within the top half of the income distribution, as indicated for example by Peter Mandelson’s famous statement that he was “intensely relaxed about people getting filthy rich as long as they pay their taxes.'
With falls in income poverty, one might expect to have seen a fall in income inequality. Indeed inequality did fall across much of the distribution. Those on relatively low incomes did a little better than those with incomes just above the average. However, those right at the top saw their incomes increase very substantially with the result that, on most measures, overall inequality nudged up slightly