We list Britain's 100 richest women, whether for individual or family wealth. The 81, including two joint entries, are also ranked among Britain's richest 1,000. The first figure is their ranking among the wealthiest women. The figure after their wealth is their current ranking in Britain's richest 1,000. Brief biographical details are given of those 21 women who do not qualify for inclusion among Britain's richest 1,000. * denotes family wealth

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