Financial experts have warned people that upcoming changes means a 'last chance' to maximise what's available. Millions of ISA savers face a ticking clock as the new tax year kicks off to make the most of their full £20,000 HMRC allowance in cash. The new tax year, beginning on April 6, presents ISA savers with the opportunity to set aside up to £20,000 under the annual allowance for adults. From April 6, 2027, however, upcoming changes will mean that, while the total annual ISA allowance will