Savers looking to make the most of their tax-free allowance are facing a shifting landscape as top easy access Cash ISA rates begin to fall. Recent market data shows that several leading providers have quietly slashed their headline interest rates over the past few days. Just a few days ago, on the 12th of June, the top easy access Cash ISA on the market was offered by Trading 212 at a rate of 4.76% AER. However, by the 15th of June, this rate had been cut to 4.51% AER.
Other providers have followed suit. Moneybox recently reduced its rate from 4.75% AER down to 4.35% AER. Meanwhile, Plum slightly lowered its offering from 4.46% AER to 4.38% AER.
Why are Cash ISA rates dropping?
The sudden drop in savings rates is closely linked to changing expectations around the Bank of England's base rate. A recent framework for a peace deal between the US and Iran has eased tensions in the Middle East and shipping is expected to resume through the Strait of Hormuz. This has led to a fall in global oil prices and UK government bond yields and with energy and commodity costs stabilising, the threat of rising inflation has reduced.
As a result, financial markets are now anticipating that the Bank of England will vote to keep the base rate at 3.75% at its upcoming meeting this Thursday, rather than raising it to combat inflation. When the likelihood of a base rate increase falls, banks and building societies often respond by lowering the interest rates they offer to savers.
Best easy access Cash ISA rates
While easy access rates have dipped slightly in recent days, introductory bonus rates mean that they remain competitive. Below, we list the best easy access Cash ISA rates.
| Provider | Trading 212* | Plum* | Moneybox | Vanquis | Atom Bank | Tembo Money* |
| AER | 4.51% | 4.38% | 4.35% | 4.30% | 4.25% | 4.05% |
| Bonus rate included (if applicable) | 0.91% | 1.84% | 0.90% | n/a | n/a | 1.25% |
| Bonus rate period | 12 months | 12 months | 12 months | n/a | n/a | 12 months |
| Rate after bonus period expires | 3.60% | 2.54% | 3.45% | n/a | n/a | 2.80% |
| Minimum opening balance | £1 | £1 | £500 | £1,000 | £0 | £10 |
| Financial Services Compensation Scheme | Shared Licence | Shared Licence | Shared Licence | Own Licence | Own Licence | Shared Licence |
Updated: 16/06/2026 (Correct at the time of writing but may be subject to change)
How to lock in the best Cash ISA rate
To ensure you are getting the best rate on your Cash ISA, follow these steps:
- Check your current rate - Review the interest rate on your existing savings to see how it compares to the current top deals.
- Consider your access needs - If you do not need immediate access to your cash, you might find higher returns by locking your money away in a fixed-rate Cash ISA.
- Lock in a healthy bonus rate - While variable interest rates fluctuate over time, Cash ISA providers frequently offer introductory bonus rates to entice new savers to open an account. These introductory bonuses are typically guaranteed for the first 12 months, meaning that a significant portion of your total interest rate is safe from immediate market cuts during that first year. For a full list of the best easy access Cash ISA providers, including the full T&Cs, see our article 'Best Easy Access Cash ISAs in the UK'.
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