How ‘Bed & ISA’ could save you £15,000 over a decade

Moving your investments into a tax-free wrapper through ‘Bed & ISA’ transactions could save you thousands over the long run by cutting your tax bill

Woman managing her personal finances
(Image credit: Alistair Berg Getty Images)

‘Bed & ISA’ – it’s a strange name but a useful transaction that could cut your tax bill significantly. Getting clued up on how it works is particularly important in light of recent tax hikes.

In the Autumn Budget, chancellor Rachel Reeves announced changes to capital gains tax (CGT) rules – part of an attempt to balance the state’s books and fund spending and investment plans.

From 30 October, Reeves increased the lower rate of CGT for basic-rate taxpayers from 10% to 18% and the rate for higher earners from 20% to 24%.

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It comes after CGT allowances have already been slashed in recent years – from £12,300 in 2022/23, to £6,000 in 2023/24, to £3,000 in 2024/25.

Investment platforms had already reported an uptick in ‘Bed & ISA’ transaction volumes in the lead-up to the Budget in anticipation of a CGT hike.

It was the busiest summer ever for broker Interactive Investor, which reported a 27% increase in activity between 1 June and 31 August compared to a year ago. Transactions were up 99% compared to the summer of 2022.

On Hargreaves Lansdown’s platform, transactions are up 44% so far this tax year.

This trend is likely to continue going forward, potentially ramping up in early 2025 as we approach the end of the tax year on 5 April.

But what exactly is ‘Bed & ISA’ and how much could it save you?

Recent analysis from investment platform Vanguard suggests an investor with £200,000 in assets (split between a regular investment account and an ISA) could save around £15,000 over the course of a decade. We take a closer look.

What is ‘Bed & ISA’?

A ‘Bed & ISA’ transaction involves transferring existing assets from a regular account into an ISA wrapper, where any future capital growth or income will be sheltered from the taxman.

All adults have a £20,000 ISA allowance which resets each year. Any returns generated in an ISA are free from income and capital gains tax.

An ISA is a valuable tool which protects not only your capital gains but your dividends.

Once you exceed your annual dividend allowance (£500), dividends are taxed at 8.75% for basic-rate taxpayers, 33.75% for higher-rate taxpayers and 39.35% for additional-rate taxpayers.

It is not possible to move assets directly from a regular stocks and shares account to an ISA account. As such, a ‘Bed & ISA’ transaction involves selling your original investments and repurchasing them within the ISA wrapper. A provider can manage this on your behalf.

Crucially, by selling your assets gradually and realising gains in £3,000 instalments, you can avoid paying any capital gains tax at all.

If you need to realise your gains in larger chunks than £3,000, you will only pay capital gains tax on the portion which exceeds this allowance. See our separate piece on how to cut your capital gains tax bill.

How much could ‘Bed & ISA’ save you?

Analysis from Vanguard shows that an investor with £200,000 in assets could potentially save £15,000 over the course of a decade by using ‘Bed & ISA’ transactions.

In Vanguard’s example, the investor starts off with a general investment account and an ISA, each valued at £100,000. Each portfolio returns 5% per year over a period of 10 years. At the end of the 10-year period, the investor decides to sell the investments.

  • Scenario 1: In the first scenario, the investor sells the assets in the general account in one hit and pays capital gains tax at the new higher rate of 24%. The investor is only able to use their annual £3,000 CGT allowance once. Any gains above this threshold are taxed.
  • Scenario 2: In the second scenario, the investor depletes their general investment account gradually over a period of five years by moving £20,000 a year into their ISA. This allows them to make use of their annual £3,000 CGT allowance five times.

Vanguard’s analysis shows that the second scenario leaves the investor with £15,304 more, despite holding the exact same investments.

A £200,000 investment over 10 years – using 'Bed & ISA' versus taking no action

Chart illustrating the fact than an investor could potentially save £15,304 over the course of a decade by using 'Bed & ISA' transfers.

Source: Vanguard. The hypothetical portfolio is made up of 75% shares and 25% bonds and returns 5% a year after fees. The calculations are based on a CGT rate of 24%. The investments are sold at the end of the final year.

(Image credit: Vanguard)

“Bed and ISA is an effective tool that could be making investors that additional amount to reach long-term goals. This is one example of where paying attention to allowances can significantly deliver for investors,” says James Norton, head of retirement and investments at Vanguard Europe.

Katie Williams
Staff Writer

Katie has a background in investment writing and is interested in everything to do with personal finance, politics, and investing. She enjoys translating complex topics into easy-to-understand stories to help people make the most of their money.

Katie believes investing shouldn’t be complicated, and that demystifying it can help normal people improve their lives.

Before joining the MoneyWeek team, Katie worked as an investment writer at Invesco, a global asset management firm. She joined the company as a graduate in 2019. While there, she wrote about the global economy, bond markets, alternative investments and UK equities.

Katie loves writing and studied English at the University of Cambridge. Outside of work, she enjoys going to the theatre, reading novels, travelling and trying new restaurants with friends.