Asset Location Strategy: Placing the Right Investments in the Right Wrappers

Asset location is one of the most powerful and least understood tools in investment planning. The concept is straightforward: most investors hold the same types of investments across different tax wrappers — a pension, an ISA, an offshore bond, and a general investment account (GIA). Each wrapper treats income and gains differently. By deliberately placing specific assets in the wrapper that treats them most favourably, you can increase your after-tax return without changing your underlying portfolio composition, risk level, or investment strategy.

This guide explains the logic of asset location for UK-connected individuals, including those using offshore structures.

Why Wrapper Choice Matters

Consider two investors who both hold a portfolio split equally between a UK equity income fund (yielding 4% per annum in dividends) and a global growth equity fund (yielding 0.5% per annum, growing at 8% per annum). Each investor has half their portfolio in a pension and half in a GIA. Investor A places the equity income fund in the GIA and the growth fund in the pension. Investor B does the opposite.

Investor A pays income tax on 4% annual dividends from the equity income fund in the GIA (subject to the £500 dividend allowance, then at 33.75% for a higher-rate taxpayer or 39.35% for an additional-rate taxpayer). The growth fund inside the pension rolls up tax-free.

Investor B holds the equity income fund inside the pension (income fully deferred) and the growth fund in the GIA (low dividend drag, capital gains manageable with the CGT annual exempt amount or offset with losses).

Over a 20-year investment horizon, the difference in after-tax outcomes between these two approaches can run to tens of thousands of pounds on a medium-sized portfolio, with no difference in investment risk or return before tax.

The Wrapper Hierarchy

For most UK-connected investors, the wrappers available rank broadly as follows in terms of tax efficiency:

Pension / SIPP (most efficient for accumulation): Contributions receive tax relief at the marginal rate (20%, 40%, or 45%); investments grow entirely free of income tax and CGT; withdrawals are taxed as income. Historically the fund has sat outside your estate for IHT purposes, but note that from 6 April 2027 (under the Finance Act 2026) most unused pension funds and death benefits will be brought within the scope of inheritance tax — so this IHT advantage is being curtailed and should not be relied upon for deaths on or after that date. The 25% tax-free cash entitlement (subject to the lump sum allowance of £268,275) is a further benefit. The pension is most powerful for higher and additional-rate taxpayers who receive upfront relief and may withdraw at a lower rate in retirement.

ISA (most efficient for flexible access): No upfront relief, but all future income and gains are tax-free, permanently. There is no withdrawal tax. The £20,000 annual allowance limits contribution capacity. ISAs are outside the estate for IHT only indirectly (through the surviving spouse's additional ISA allowance on death — they do not pass directly outside the estate in the same way as pensions).

Offshore bond (most efficient for tax deferral and international mobility): No annual income or CGT tax within the wrapper; tax arises only on "chargeable events" (encashment, assignment, or death); the 5% annual withdrawal allowance allows tax-deferred withdrawals of up to 5% of the initial premium per year for up to 20 years; gains are taxed at income tax rates (not CGT rates), which is a disadvantage for lower-rate taxpayers but potentially manageable with top-slicing relief; particularly useful for internationally mobile clients because they can switch jurisdictions without triggering a tax event inside the bond.

General Investment Account / GIA (least efficient): Income is taxed annually in the year received; gains are taxed in the year of disposal; but some assets are naturally efficient in a GIA (see below).

Which Assets Should Go Where

Bond funds and fixed income funds in the pension or offshore bond. Bond fund distributions are treated as income. For an additional-rate taxpayer, paying 45% income tax on a 5% bond fund yield reduces the net yield to 2.75%. The same bond fund inside a pension or offshore bond defers all tax until encashment. The compounding benefit of deferral is particularly large for high-yielding assets over long periods.

Property income funds in the pension. Property income trusts and REITs distribute property income, which is subject to income tax. Sheltering this income inside a pension produces exactly the same benefit as for bond funds.

High-dividend equity funds in the pension or ISA. Dividend income above the £500 annual allowance is taxed at 33.75% (higher rate) or 39.35% (additional rate) for equities. High-yielding equity income strategies have a significant income tax drag in a GIA, which is eliminated inside a pension or ISA.

High-growth equities in an ISA. Growth assets that generate low income but high capital appreciation are ideal for an ISA, because the CGT-free treatment on high growth is most valuable where the absolute gain is largest. A £50,000 ISA holding in a high-growth tech fund that grows to £200,000 saves £45,000 of CGT (at 24%) that would be payable in a GIA.

Low-turnover global equity index funds in a GIA. These funds generate very low dividend yields (often 1.5–2% for a global tracker) and low annual capital gains (because index funds rarely sell underlying holdings). The annual tax drag in a GIA is modest. Holding an index fund in the GIA preserves your precious wrapper capacity for higher-drag assets.

UK gilts in a GIA. A unique exception. Gilt capital gains are exempt from CGT under UK tax law. If you hold a gilt at a discount to its face value and it matures at par, the entire capital return is tax-free — even in a GIA. Gilt interest is subject to income tax, so selecting low-coupon gilts (where the return comes primarily as capital gain rather than income) is particularly efficient. This makes UK gilts surprisingly competitive in a GIA for investors who need fixed income outside their wrapper capacity.

Currency-hedged international bonds in a wrapper. International bonds denominated in a foreign currency generate both interest income and currency return. In a GIA, both are taxable. Holding them in a pension or offshore bond defers both.

The Currency Dimension for Internationally Mobile Investors

For those who split time between jurisdictions or have assets and liabilities in multiple currencies, the asset location question has an additional dimension.

If you hold USD-denominated corporate bonds and your functional currency is GBP, any appreciation in the USD against GBP is taxable as a capital gain in the year you sell (or is embedded in the income computation, depending on the instrument). By holding these bonds inside an offshore bond or pension, both the interest return and the currency return are deferred.

Similarly, if you have significant cash balances in foreign currencies, currency gains on repayment of a foreign currency loan are generally taxable in the UK — but assets held within wrappers that shelter income and gains can reduce the exposure.

Practical Limitations

Contribution limits restrict wrapper capacity. Pension annual allowances (up to £60,000 per year in 2026, subject to earnings and the tapered annual allowance), ISA allowances (£20,000 per year), and offshore bond premium limits (typically uncapped but tax-regulated at higher levels) mean you cannot always perfectly locate every asset. Prioritise: move the highest-drag assets first.

Existing GIA holdings may have embedded gains. Moving an asset from a GIA into a pension or ISA requires selling it and buying within the wrapper — crystallising any existing capital gain in the GIA at the point of transfer. If the embedded gain is large, the tax cost of moving the asset may outweigh the future benefit of the wrapper. Model the break-even carefully before acting.

Offshore bonds have a drawback on encashment. Offshore bond gains are taxed as income, not as capital gains. This matters at the point of encashment: a higher-rate taxpayer pays 40% on the gain rather than 24% CGT. Top-slicing relief mitigates this by spreading the gain across the years the policy has been held, but the mechanics are complex. Offshore bonds are most advantageous when the encashment is planned to fall in a year of low income (the year of retirement, the year of departure to a lower-tax jurisdiction, or the year of emigration to a no-income-tax country such as the UAE).

The tapered annual allowance limits pension contributions for high earners. Those earning over £260,000 per annum in 2026 have their pension annual allowance tapered to as little as £10,000. For these individuals, the pension is not the unlimited tax shelter it once was, making the ISA and offshore bond more central to asset location.

The Asset Location Review

Asset location is not a one-time exercise. It should be reviewed annually as:

• Contribution allowances change year by year
• New wrapper capacity becomes available (a new ISA year, a new pension year)
• Tax rules change (as they have significantly in 2023–2025)
• Investments grow within wrappers, changing the relative size of your wrapper vs. GIA holdings
• Your marginal tax rate changes (approaching or entering retirement)
• You move between tax jurisdictions

A disciplined asset location review as part of the annual financial planning process can produce consistent, cumulative improvements in after-tax returns. Over a 20- to 30-year investment horizon, this incremental improvement compounded year after year can make a material difference to final wealth outcomes.

How Global Investments Can Help

Asset location is a technical exercise that requires a clear picture of all your tax wrappers, their current holdings, your marginal tax rates both now and in the future, and your investment strategy. At Global Investments, our advisers integrate asset location analysis into the annual portfolio review for every client with multi-wrapper holdings. We model the tax impact of different allocations, identify where wrapper capacity is being used suboptimally, and recommend rebalancing approaches that improve tax efficiency without disrupting your investment strategy. For internationally mobile clients, we also consider the offshore bond's role in providing tax-deferred flexibility across jurisdictions. Speak with our investment team to review your current wrapper structure.