The short answer

If you live in Thailand but your savings, pension and investments are in pounds, every move in the exchange rate changes what your money buys. Manage it by matching each pot of money to the currency you'll spend it in: the next year or two of living costs in baht, known future costs (school fees, a condo, a university in the UK or US) moving into the right currency as the date approaches, and long-term growth money spread across the world's currencies through a global portfolio. Avoid converting everything at once on a single day, use a good exchange rate on larger sums — and fix the rate in advance when a big payment is coming. Lawrence offers a free review of your currency mix alongside your investments.

What currency risk really is

Currency risk arises whenever the money you hold is in a different currency from the money you'll spend. If your investments are in pounds and your life is in baht, a fall in the pound against the baht cuts your spending power — even if your investments haven't changed in value at all. A rise in the pound does the opposite.

For someone living in the UK and investing in UK shares, currency barely registers. For an expat in Thailand, it's built into everything: your pension, your rent, your savings, your children's school fees, the condo you might buy and the inheritance you might leave. That's why currency deserves a place in every expat's financial plan — not as an afterthought, but as one of the main things to get right.

Importantly, currency risk isn't all bad. Exchange rates move both ways. Holding money in more than one currency means you're never entirely dependent on one economy, one central bank or one government. Spread sensibly, currencies add resilience — and that's exactly what a well-built expat portfolio uses them for.

How far the pound and baht have moved

Exchange rates can move more than people expect, both over a year and over a decade.

Over the long term, the change has been dramatic. In the late 2000s, the pound bought around 70 baht at times. By August 2018 it was around 42. In 2019 Bloomberg reported that the baht was Asia's strongest-performing currency that year, squeezing British retirees whose pensions were paid in pounds. Over that period, the baht value of a fixed sterling income fell by around 40% — far more than any normal rise in living costs.

Over the short term, moves are smaller but still meaningful. In the twelve months to October 2026, OFX data shows the pound moving between about ฿42.22 and ฿44.82 at month-ends — a range of around 6%. On a £300,000 transfer, 6% is about £18,000. On a £2,000 monthly pension, it's around ฿5,000 a month.

Nobody can reliably predict where rates will go next. The sensible response isn't to guess, but to arrange your money so that whatever happens, your life in Thailand stays comfortable.

The pound against the baht over time

A few reference points, and what they mean for a £2,000 monthly income.

Sources: Dan About Thailand (August 2018), OFX month-end data, Wise mid-market rate (12 October 2026). Illustration only.

The currencies hiding inside your portfolio

Many investors think of their portfolio as being "in pounds" because that's the currency their statement shows. But the currency on the statement is only the reporting currency. What matters is the currency of the things the portfolio actually owns.

A global share fund owns companies all over the world. At the end of September 2026, US companies made up about 64% of the MSCI All Country World index, with Japan, the UK, Canada and many others making up the rest. So a "pound-priced" global fund is mostly exposed to the US dollar, then to a long list of other currencies. When the dollar strengthens against the pound, the fund rises in pound terms; when it weakens, the fund falls — even if the shares themselves haven't moved.

For expats, this is generally good news. A worldwide portfolio already spreads your long-term money across many currencies, so you're not tied to the fortunes of the pound alone. The task is simply to understand that spread, and to make sure the money you'll need soon isn't exposed to it.

The three currencies most expats deal with

The pound

Most British expats' wealth starts here: UK pensions, the State Pension, ISAs, property and savings. The pound matters for any future costs in the UK — a possible return home, a child at a UK university, family you support — and for UK tax and estate planning.

The baht

Your living costs, rent, healthcare, school fees at an international school in Thailand and any Thai property are in baht. The baht also matters for visas: a retirement extension typically needs ฿800,000 in a Thai bank or an income of ฿65,000 a month, so a weak pound can make the requirement harder to meet.

The US dollar

The world's main reserve currency and the biggest single currency in global share markets. It's also the currency of many international school and university fees, and of many offshore investment accounts.

Other currencies

Euros, yen and many others come along inside a global portfolio, adding further spread. Some expats also have specific needs — a partner's family in Europe, say, or plans to retire to another country later.

The golden rule: match money to where you'll spend it

The simplest and most powerful way to manage currency risk is to match each pot of money to the currency in which you'll spend it, at the time you'll need it. It's the same idea as matching risk to your timescale: the closer a need is, the more closely its money should match it.

• The next 12–24 months of living costs: mostly in baht, so a fall in the pound doesn't touch your day-to-day life.
• Known future costs: move into the right currency gradually as the date approaches — baht for Thai school fees or a condo, pounds or dollars for a UK or US university.
• Your emergency fund: mostly in baht, with some in pounds for UK emergencies.
• Long-term growth money: spread across the world through a global portfolio, where currency moves tend to balance out over time.

Matching doesn't mean predicting. It means arranging your money so that the currencies you hold line up with the currencies you'll need — and so that short-term swings in exchange rates have very little effect on your life.

Matching each pot to a currency

A simple way to think about where each part of your money should sit.

The closer the need, the more closely its money should match the currency you'll spend.

Hedged and unhedged funds

Many funds come in two versions: an ordinary, unhedged version, whose value moves with exchange rates, and a currency-hedged version, which uses contracts to remove most of the currency effect and return the investment's performance in one chosen currency — usually pounds, dollars or euros.

Where hedging helps

Hedging works best for bonds. Bonds are held for stability, and an unhedged global bond fund can swing almost as much from currency moves as from the bonds themselves. Most professional portfolios therefore hold global bonds hedged back to the investor's main currency.

Where it's less useful

For shares, the case is weaker. Shares already move a lot, and currency moves tend to even out over long periods. Many long-term investors leave share funds unhedged and accept the currency spread as part of their diversification.

The cost of hedging

Hedging isn't free. Its cost is roughly the difference in interest rates between the two currencies. With the Bank of England's rate at 3.75% and the Bank of Thailand's at 1.00%, holding pounds currently earns more than holding baht — which is also why baht-hedged versions of international funds are rare and can be costly. For most British expats, the practical answer is to hedge bonds to pounds or dollars and handle baht needs through cash and well-timed conversions instead.

Where to start

Someone to look at your currency mix alongside your investments, and the right way to convert money when you need to.

Currency and retirement income

Retirees feel currency risk most directly, because their income is usually fixed in pounds while their spending is in baht. Add a UK State Pension that is frozen in Thailand and never rises, and a weak pound can squeeze a retirement budget from two directions at once.

A few simple habits make a big difference:

• Keep one to two years of spending in baht, refilled when the rate is favourable, so you're never forced to convert at a bad moment.
• Convert regularly rather than all at once — monthly or quarterly transfers average out the rate over time.
• Use a good rate: a specialist or Wise usually beats a high-street bank by a wide margin.
• Keep some growth investments spread across currencies, so your future income isn't tied only to the pound.
• Plan for your visa: make sure the ฿800,000 deposit or ฿65,000 monthly income is comfortably covered even if the pound weakens.
• Review once a year, and move the next year's spending into baht at the same time.

Converting larger sums

When you move a large sum — pension cash, a house sale, an inheritance, money for a condo — the exchange rate and the provider can matter as much as any investment decision. A bank's margin of 3% or more on £200,000 is £6,000 or more gone before you start. A specialist can usually do far better.

Three tools help you manage the timing:

• A forward contract fixes today's rate for a payment up to a year or more ahead, so you know exactly how many baht you'll receive.
• A limit order converts automatically if the rate reaches a level you choose.
• Phasing — converting in several tranches over weeks or months — spreads the risk of a bad day.

Our guide to forward currency contracts explains how fixing a rate works. Vita Capital, our number-one FX partner, offers all three, with a dedicated specialist to talk you through them.

Currency and education fees

School and university fees are among the biggest costs an expat family will face, and they come with a currency twist. International school fees in Thailand are charged in baht. A UK university charges in pounds; a US one in dollars. Many families don't yet know which their child will choose.

The answer is to plan in stages. While the fees are many years away, invest for growth across a worldwide portfolio. As each year's fees come within about three years, move that money into the currency the school or university charges, and into steadier investments. That way, neither a market fall nor a currency swing can derail your child's education just as the bills arrive.

Starting early makes a remarkable difference. With 13 years to invest, growth can pay a large share of the total.

Currency and property

Buying a condo in Thailand turns pounds into a baht asset. Once you own it, its value moves with the Thai property market and the baht. That can be a useful balance to sterling savings — but it also concentrates a large share of your wealth in one currency and one asset.

When you buy, the main risk is the gap between agreeing a price and paying it, which can run to months for an off-plan purchase. A forward contract can fix the rate for every payment, so the price in pounds is known from day one. Our guide to currency risk during an overseas property purchase covers this in detail.

Saving in more than one currency

Many international savings plans and platforms let you choose the currency your plan is held in — commonly pounds, dollars or euros, sometimes others. The choice matters: it should reflect where you'll spend the money, not where you happen to earn it.

A family planning to return to the UK might hold their plan in pounds. One planning to stay in Thailand might hold it in dollars or pounds and convert gradually as needs approach. Someone with a US university in mind might choose dollars. Our guide to investment contributions in multiple currencies explains the options in more detail.

Three worked examples

Alan: a pension in pounds, a life in baht

Alan, 68, lives in Chiang Mai on a UK pension of £1,800 a month and a portfolio of £220,000 — all in UK funds. When the pound dipped, his monthly baht income fell by several thousand baht, and he started converting more from his portfolio at poor bank rates. A free review with Lawrence moves two years of spending into a baht account, switches his monthly transfers to a cheaper provider and replaces his UK-only funds with a worldwide portfolio. Alan's income is no longer at the mercy of one exchange rate.

Emma and Joe: school fees in baht, university in pounds

Emma and Joe, in Bangkok, have two children at an international school and hope both will go to university in the UK. Lawrence sets up an education plan with two stages: baht for the next three years of school fees, and a growth portfolio that moves into pounds as each university start date approaches. They save monthly, and growth does much of the heavy lifting.

Richard: a condo purchase off-plan

Richard is buying a ฿6 million condo in Pattaya, paid in stages over eighteen months. Rather than risk the pound falling between payments, he fixes the rate for each instalment with a forward contract through Vita Capital. His price in pounds is certain from day one, and the rest of his savings stay invested.

The mistakes we see most often

1. Everything in pounds while all your spending is in baht.
2. Everything converted to baht at once, on a single day.
3. Waiting for the "right" rate that never comes.
4. Using a high-street bank for large transfers.
5. Ignoring the dollar inside a global share fund.
6. Unhedged global bonds that swing with currencies.
7. No baht buffer, so a weak pound forces conversions.
8. Forgetting the visa money when the pound falls.

Your currency checklist

• List every pot of money and the currency it's held in.
• List your spending by currency — baht, pounds, dollars.
• Hold one to two years of living costs in baht.
• Move known future costs into the right currency as dates approach.
• Keep long-term money spread across the world's currencies.
• Hedge bonds back to your main currency.
• Use a specialist for large transfers, and fix rates for big payments.
• Review your currency mix once a year.

Keeping transfers secure

Large currency transfers attract fraudsters. A few habits keep your money safe:

• Confirm bank details by phone with someone you know before any large payment.
• Never act on emailed changes to payment details without checking them yourself.
• Turn on two-factor sign-in on every bank, transfer and investment account.
• Use a private, protected connection on hotel, café and condo Wi-Fi.

How we researched this guide

We used OFX month-end exchange-rate data and the Wise mid-market rate (12 October 2026), Dan About Thailand's account of the pound's fall against the baht (August 2018), Bloomberg's report on the strong baht (October 2019), MSCI's All Country World index factsheet (September 2026), the Bank of England and Bank of Thailand policy rates, Thai Visa Services on retirement extension requirements and GOV.UK on the State Pension abroad. The income figures are simple illustrations, not forecasts. Checked 13 October 2026. Exchange rates and investment values can fall as well as rise. This guide is general information, not personal financial advice.