ISA Allowance Tracker

See how much of your £20,000 allowance is left, across every type of ISA you hold.

Enter what you’ve paid into each type of ISA since 6 April 2026. Withdrawals from a flexible ISA don’t free up allowance unless you’re replacing them in the same tax year, in the same account.

How this is worked out

The total ISA allowance for the 2026/27 tax year is £20,000. It applies across all adult ISAs you hold — the £20,000 is shared, not per account.

The Lifetime ISA has its own annual cap of £4,000 within that £20,000, and HMRC pays a 25% bonus on contributions up to that cap.

Junior ISAs are separate (£9,000/year for under-18s) and aren’t counted here.

Before using this estimate

Enter new subscriptions for 6 April 2026 to 5 April 2027, not total balances or provider-to-provider transfers. It does not connect to bank records.

Check the source guidance

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