ISA Allowance Calculator UK 2026
Calculate how to split your annual ISA allowance across Cash ISA, Stocks and Shares ISA, and Lifetime ISA.
ISA Allowance Planner 2026/27
Annual ISA allowance: £20,000. You can split this across multiple ISA types, but the total cannot exceed £20,000 in a single tax year.
Total: £20,000 — Allowance fully used
LISA Bonus:
The government adds a 25% bonus to your LISA contributions. On £4,000 you receive a £1,000 bonus — making your effective total £5,000.
Disclaimer
This calculator is for illustrative purposes only. Results are estimates based on the figures you enter. Always seek independent financial advice before making any financial decisions. Affiliate disclosure.