Tax-Free UK Savings

Cash ISA in GBP (£)

Save up to £20,000 tax-free every tax year. Earn interest without paying UK income tax or capital gains tax on your returns.

Illustrative Cash ISA & Benchmark Rates Notice

The statutory annual allowance (£20,000) and interest rates (4.10% variable / 4.65% fixed AER) are illustrative benchmark examples. Tax treatment depends on individual circumstances and may change in future UK legislation.

Interactive UK ISA Allowance Tracker

Statutory annual allowance: £20,000 per UK tax year

Tax Year 2026 / 2027
Estimated Deposit into Cash ISA:£8,500.00 (43%)
Allowance Utilised£8,500.00
Remaining Tax-Free Allowance£11,500.00
Instant Access

Flexible Cash ISA

4.10% Tax-free / AER variable (Illustrative)

Deposit and withdraw money whenever you need. Because it is a Flexible ISA, you can replace cash you take out within the same tax year without reducing your allowance.

  • Start from just £1
  • Manage 24/7 in B Bank mobile app
  • Interest paid monthly into your ISA
Fixed Rate

1-Year Fixed Rate Cash ISA

4.65% Tax-free / AER fixed (Illustrative)

Lock away your funds for 12 months with a guaranteed tax-free return that will not fluctuate with the Bank of England base rate.

  • Fixed guaranteed interest rate
  • Minimum deposit £500
  • Transfer existing ISAs seamlessly
HMRC Statutory Tax Rules

Tax rules can change and their benefits depend on your individual circumstances. Under UK law, ISA interest is free from UK income tax. Deposits are securely held under B Bank institutional custody.