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Castle Trust Bank savings rates
9 accounts listed. The highest rate is 5.15% AER on the 3 Year Fixed Rate e-Cash ISA (fixed for 3 years).
FSCS protection: up to £120,000 per person across everything you hold with Castle Trust Capital plc.
Notice
| Account | AER | Access | Min to open |
|---|---|---|---|
| 120-Day Notice e-Saver (Issue 6)Beats inflation | 4.20% | 120 days' notice | £1,000 |
| 35-Day Notice e-Saver (Issue 6) | 3.46% | 35 days' notice | £1,000 |
Fixed term
| Account | AER | Access | Min to open |
|---|---|---|---|
| 3 Year Fixed Rate e-Cash ISAISABeats inflation | 5.15% | Fixed for 3 years | £1,000 |
| 5 Year Fixed Rate e-Cash ISAISABeats inflation | 5.12% | Fixed for 5 years | £1,000 |
| 2 Year Fixed Rate e-Cash ISAISABeats inflation | 5.10% | Fixed for 2 years | £1,000 |
| 5 Year Fixed Rate e-SaverBeats inflation | 4.65% | Fixed for 5 years | £1,000 |
| 3 Year Fixed Rate e-SaverBeats inflation | 4.60% | Fixed for 3 years | £1,000 |
| 2 Year Fixed Rate e-SaverBeats inflation | 4.55% | Fixed for 2 years | £1,000 |
| 1 Year Fixed Rate e-SaverBeats inflation | 4.50% | Fixed for 1 year | £1,000 |
Compare Castle Trust Bank with every other bank
Who holds the money
- Deposit-taker
- Castle Trust Bank, a trading name of Castle Trust Capital plc
- Incorporated in
- United Kingdom
- Regulated
- Yes, by the Prudential Regulation Authority and Financial Conduct Authority (FRN 541910)
- Protection and disputes
- Financial Services Compensation Scheme and Financial Ombudsman Service
- Capital
- Paid-up capital and reserves of £126.8m at 30 September 2025 (annual report 2025)
- Website
- castletrust.co.uk. Every "Go to bank" link we show for Castle Trust Bank leads only to this domain.
This page lists every Castle Trust Bank account Juno has checked on the bank's own website, highest rate first. Rates can change at any time: check with the bank before you apply. "Beats inflation" means the AER, and the rate after any bonus, is above CPI inflation of 3.5% (September 2026, ONS), before tax. How we rank and how we're paid.