Leek Building Society 5 Year Fixed Rate Cash ISA Review

A five-year cash ISA from Leek Building Society, with a £1,000 minimum deposit. It ranks 18th of 30 five-year cash ISAs we track.

Fixed rate · 5 years

4.70%AER

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

Just above average
This account 4.70%
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.

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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.

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Estimated returns with Leek Building Society's Cash ISA

What you could earn with Leek Building Society's 5 Year Fixed Rate Cash ISA.

Estimated interest

£1,000 saved

£258

At 4.7% AER

£5,000 saved

£1,291

At 4.7% AER

£10,000 saved

£2,582

At 4.7% AER

£20,000 saved

£5,163

At 4.7% AER

Estimated over the 60-month term, if the rate stays the same and interest is left in. Amounts outside the account's minimum or maximum aren't shown.

2 alternatives to Leek Building Society's 5 Year Fixed Rate Cash ISA

Same type of account, closest on rate.

Common questions about the 5 Year Fixed Rate Cash ISA

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