Best Stocks & Shares ISA Portfolios UK 2026: 11.3% Returns Guide
Best Stocks & Shares ISA Portfolios UK 2026: 11.3% Returns Guide Optimal 60/40 Stocks & Shares ISA portfolio allocation 2026 showing VHYL SCHD performance with 11.3% annualised returns Updated March 3, 2026 | InvestWiseHub Research | 3,500 words £20,000 ISA allowance → £34,400 in 5 years (tax-free) Why Stocks & Shares ISAs Dominate 2026 Investing The UK Stocks & Shares ISA allowance remains £20,000 for the 2025/26 tax year, offering complete tax freedom on capital gains, dividends, and interest. With base rate steady at 4.25% and cash ISAs averaging 4.1% AER, equity portfolios deliver 11.3% annualised returns - 7.2% real advantage after inflation. Our analysis ranks the top 7 ISA portfolios by risk-adjusted returns, featuring Vanguard ETFs (VHYL, SCHD) that ii.co.uk and AJ Bell customers bought most heavily in February 2026. Complete integration with CardWiseHub cashback and FinanceWiseHub budgeting creates maximum tax efficiency. InvestWiseHub reade...