Are investment platforms getting ready for the upcoming cash ISA regulations?

Changes are already being made, and starting in April 2027, investors will be charged for earning interest on cash held within their stocks and shares ISA

Investment platforms are beginning to cease paying interest on money that hasn't been invested.

It precedes the April 2027 ISA rule changes.

In her 2025 Autumn Budget, Chancellor Rachel Reeves announced new limitations on cash ISAs in an effort to persuade more people to invest instead of holding cash.

Current BFIA issues. Under-65s will only be able to contribute up to 12,000 to a cash ISA each tax year starting in April 2027, as opposed to the current 20,000 that can be used across the tax wrapper. If they put 12,000 into a cash ISA, the remaining 8,000 could go into an ISA for stocks and shares because they will still have the full 20,000 annual ISA allowance.

Current Videos FromIMG The modifications will also prohibit transfers from stocks and shares ISAs to cash ISAs.

Additionally, HMRC has stated that it will impose a fee on individuals who earn interest on cash in an ISA for stocks and shares.

The goal is to discourage investors from holding cash in an ISA for stocks and shares for an extended period of time and instead encourage them to reinvest their money in the market.

Many of the major investment platforms continue to pay interest on cash that hasn't been invested.

But J. It seems that P Morgan Personal Investing is now preparing its investors for the changes.

The cash pot varies.

Keeping money in cash while you choose where to invest could be alluring, particularly if you are earning interest.

However, the new fee is intended to act as a disincentive because it may outweigh any interest received. The Treasury wants more people to invest, preferably in UK stocks.

The changes are due to be consulted by HMRC.

Although not directly related to the changes, J. The interest paid on cash-only pots will no longer be paid, according to P Morgan Personal Investing.

For its cash-only pots, the robo-wealth manager currently pays the Bank of England base rate less 2.5%.

Investors can use this money to either protect their balance from market fluctuations before making a withdrawal or to gradually add money to their portfolio.

The money kept in the investment pot that is used for management fees is distinct from this. At the moment, interest on this money is paid at the base rate minus 0.75 percent.

However, on June 22, J. According to P Morgan, interest will no longer be charged on cash-only pots.

Rather, cash-only pots for storing cash and drip feeding money will continue to be accessible.

At the end of the current quarter, any interest accrued up until June 22, 2026, but excluding that date, will be added to your pot.

The money in your investment pot will still receive interest.

Can uninvested funds in an ISA for stocks and shares still earn interest?

As of right now, the majority of other investment platforms continue to pay interest on cash.

For cash held in any of your investment accounts, BestInvest offers a respectable 2.98 percent interest rate.

According to its managing director, Jason Hollands, HMRC has not yet finalized its plans to alter the way cash is handled in its stocks and shares ISA.

On the other hand, lifetime ISAs, junior ISAs, and AJ Bells stocks and shares ISAs pay 1.75 percent interest on all cash balances.

The amount being held may also affect the interest paid.

Interactive investors now pay 1 point 11 percent on the first 20,000, 1 point 26 percent on the value between 20,000 and 50,000, 1 point 36 percent on the value between 50,000 and 100,000, and 2 point 21 percent on the value over 100,000 for ISAs and junior ISAs.

Users of Hargreaves Lansdown can earn 1 point 51 percent on cash balances between 0 and 19,999, 1 point 18 percent on balances between 20,000 and 99,999, 2 point 02 percent on balances between 100,000 and 999,999, and 2 point 38 percent on balances greater than £1 million.

The main platforms have been questioned by BFIA about their plans after a fee is implemented.