Notice Account

Harpenden Building Society 90 Days' Notice Review

A competitive notice account from Harpenden Building Society, needing 90 days' notice, with a £1,000 minimum deposit. It ranks 32nd of 98 notice accounts we track.

Variable rate · 90 days' notice

4.04%AER

Rate checked Oct 2026Got this account? Leave a review

Protection

FSCS£120,000

Min balance

£1,000

Max balance

£250,000

Access

90 Days

Interest paid

Annually

How It Stacks Up

Ranks 32nd of 98

Notice accounts we track

Above average
This account 4.04%
UK CPI (Aug 2026)
3.10%
Pays 0.94% more
Average notice account
3.48%
Pays 0.56% more
Best notice account
4.40%
Pays 0.36% less

Inflation: ONS. Averages and best rates: accounts on DepositScout.

Compare notice accounts

A Good Fit For

  • Pro: New and existing savers

Worth Weighing Up

  • Con: You need to give 90 days' notice to withdraw
  • Con: The rate is variable, so it can go down
  • Con: You need at least £1,000 to open it

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Estimated returns with Harpenden Building Society's Notice Account

What you could earn with Harpenden Building Society's 90 Days' Notice.

Estimated interest

£1,000 saved

£40.40

At 4.04% AER

£5,000 saved

£202

At 4.04% AER

£10,000 saved

£404

At 4.04% AER

£250,000 saved

£10,100

At 4.04% AER

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

Work out the tax on your interestSee how much of this interest could be taxed.

Our Expert Opinion on Harpenden Building Society 90 Days' Notice

Jan WatermannCo-Founder, DepositScout

Harpenden Building Society's 90 Days' Notice account pays 4.04%, which sits near the market average for notice accounts but is 0.36% behind the category leader at 4.40%. That said, it does beat August 2026 CPI of 3.1% by 0.94%, so your money keeps pace with inflation in real terms. The genuine catch is the 90-day notice period, meaning you cannot access funds quickly if circumstances change, so it suits savers with a stable cash buffer of at least £1,000 who do not need instant access. Kent Reliance's 35 Day Notice at 4.05% is worth a look if you want more flexibility for a similar return.

Compare Notice Accounts

2 alternatives to Harpenden Building Society's 90 Days' Notice

Same type of account, closest on rate.

Common questions about the 90 Days' Notice

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