18 Month Fixed Rate ISA (Issue 22)

Fixed for 18 months · Cash ISA · Checked 3 Nov 2026, 13:30

4.60%

AER

Above inflation: CPI 3.5%, September 2026

What you'd earn

If you put in (£)

You'd earn about £1,395.75 in 18 months, before any tax.

Worked out from the AER. Variable rates can change.

The conditions in plain English

Access: No withdrawals until the term ends.
Minimum: £1
Interest paid: Once a year
Manage by: Online, Mobile app, Branch, Phone, Post
Who can apply: No extra conditions beyond the bank's standard checks.
Where we read it: Cambridge Building Society's own page, 3 November 2026

Full details

Juno hasn't read a Summary Box for this account yet. Cambridge Building Society's own page has the full terms and conditions.

Who holds your money

Deposit-taker: Cambridge Building Society
Incorporated in: United Kingdom
Regulated: Yes, by the Prudential Regulation Authority and Financial Conduct Authority (FRN 157223)
Protection and disputes: Financial Services Compensation Scheme and Financial Ombudsman Service
Capital: Capital and reserves of £141m at 31 December 2025 (latest published accounts).

FSCS protection

Up to £120,000 per person is protected across everything you hold with Cambridge Building Society.

Check your total protection

Rate history

No change since tracking began.

Don't miss the end date

The term ends after 18 months. Add a reminder two weeks before. It goes straight into your calendar; we keep nothing.

Go to Cambridge Building Society to apply

You'll apply on Cambridge Building Society's own website. Cambridge Building Society may pay us if you open this account; that doesn't affect its position in our results.