Martin Lewis Details Upcoming ISA Rule Overhaul
Money-saving expert Martin Lewis has issued a stark warning regarding substantial changes to Individual Savings Accounts (ISAs) set to take effect in April 2027. The financial guru has clarified that these alterations will primarily impact individuals under the age of 65, specifically those born after April 1962, while savers aged 65 and above will be exempt from the new restrictions.
Reduced Cash ISA Allowance for Younger Savers
Currently, UK residents can deposit up to £20,000 annually into cash ISAs without incurring tax on the interest earned. However, Chancellor Rachel Reeves announced in the November Budget that from April 2027, the cash ISA allowance will be slashed to £12,000 per tax year for those under 65. This marks the first reduction in the cash ISA limit since 2017 and is intended to incentivise younger individuals to invest in the stock market rather than relying solely on cash savings.
Martin Lewis elaborated on his BBC Podcast, stating, "There are big changes coming to savings. All of these happen in April 2027. The big one is that the cash ISA threshold will be cut from you being allowed to put in £20,000 per tax year to you being allowed to only put in £12,000 per tax year." He emphasised that this adjustment applies only to new contributions, with existing funds in ISAs remaining unaffected.
Exemption for Over-65s and Investment Implications
In a significant carve-out, individuals aged 65 and over will retain the full £20,000 annual cash ISA allowance. Lewis explained that this exemption was a result of discussions with the Chancellor, who aims to avoid penalising older savers who may not wish to invest in shares. The total annual contribution limit for adult ISAs will remain at £20,000, meaning under-65s can allocate up to £12,000 to cash ISAs and the remaining £8,000 to stocks and shares ISAs, or choose to invest the entire £20,000 in shares.
Lewis provided further clarity: "The ISA limit is £20,000 and will remain £20,000 even for under 65s after 2027, which means you could put £20,000 in a shares ISA. You could also choose to put some in cash. So, let's say you put a grand in cash. Well, that reduces the amount you can put in shares by a grand because it still has to total £20,000."
New Anti-Circumvention Measures
To prevent savers from bypassing the reduced cash ISA limit, HM Revenue and Customs (HMRC) will introduce stringent regulations. These measures include prohibiting transfers from stocks and shares ISAs and Innovative Finance ISAs to cash ISAs. Additionally, HMRC will conduct assessments to determine if investments held within stocks and shares ISAs are "cash-like," and may impose charges on interest earned from cash deposits within these accounts.
Guidance published by HMRC confirms that these rules will apply exclusively to investors under 65 years of age. The government anticipates that these changes will foster a culture of investment among younger demographics, aligning with broader economic strategies to boost market participation.
In summary, while over-65s continue to enjoy the full £20,000 cash ISA allowance, those under 65 must prepare for a reduced limit of £12,000 from April 2027, accompanied by enhanced safeguards to ensure compliance with the new framework.



