UK Tax on Foreign Income 2026 -- Residency, Remittance and Treaty Relief
UK tax on foreign income 2026: non-UK-residents are taxed only on UK-source income. Finance Act 2025 introduced the 4-year FIG regime from 6 April 2025. UK dividend rates from April 2026: 10.75%/35.75%/39.35%. Finance Act 2025: 10-year UK residency triggers worldwide IHT.