Question to the HM Treasury:

To ask the Chancellor of the Exchequer, with reference to page 79 of the Budget Policy Costings 2025, published in November 2025, what assessment her Department has made of the potential impact of the reduction of the Cash ISA limit to £12,000 on revenues to the Exchequer, separate to the other measures included in that estimate.

At Autumn Budget 2025, the Government announced that the annual ISA allowance will be kept at £20,000 with the cash ISA limit set at £12,000 from April 2027 for under-65s. This is part of the wider strategy aimed at supporting people to get into investing, including Targeted Support, which will be available from April 2026. In addition, financial services firms will provide new, easily navigable ways for people to find the right UK investment for them.

The Government is introducing an age carve out for those aged 65 and above in recognition that they may need more flexibility in how they manage their savings as they approach retirement. Savers over the age of 65 will continue to be able to save up to £20,000 in a cash ISA each year.

The Exchequer Impact for the Reduction of the Cash ISA limit to £12,000 for under-65s from April 2027 measure in isolation is: