Protection
FSCS£120,000
Min balance
£1,000
Max balance
£20,000
Access
5 Years
Interest paid
Anniversary
Transfers in
Accepted
How It Stacks Up
Ranks 18th of 30
5-year cash ISAs we track
- UK CPI (Aug 2026)
- 3.10%
- Pays 1.60% more
- Average 5-year cash ISA
- 4.69%
- About the same
- Best 5-year cash ISA
- 5.25%
- Pays 0.55% less
Inflation: ONS. Averages and best rates: accounts on DepositScout.
A Good Fit For
- Pro: New and existing savers
Worth Weighing Up
- Con: You need at least £1,000 to open it
- Con: Not flexible: money you withdraw can't be replaced without using more allowance
Good to Know
UK residents 18+, single names only, personal use; National Insurance number required. Only one Leek Cash ISA can be subscribed to per tax year. All deposits and transfers in must arrive within 14 days of opening. At maturity, moves to the Easy Access Cash ISA if no instructions. An identical-rate existing-member edition is also sold.
Please verify all details with the provider – see our Disclaimer
See all Leek Building Society accounts