Expats Life
21 July 2026

Common Financial Mistakes Expats Make When Moving Abroad

Moving abroad is an exciting new chapter. Whether you're retiring to France, relocating to Spain or Portugal, or starting a new career overseas, months of planning usually go into making the move a success.

A stressed man over 50 reviewing financial documents, passports, and foreign currency while planning an international move.

The property is organised, the removals are booked, the paperwork is completed, and the flights are confirmed. Yet one of the most important aspects of the move is often overlooked—your finances.

Many expatriates spend months planning the practical aspects of relocation but very little time considering how moving overseas will affect their pensions, investments, taxation and estate planning. Decisions made before you become tax resident in another country can have a lasting impact.

Before You Move

Mature couple reviewing a moving abroad checklist while planning their international relocation at home.

Clients frequently arrive in Europe expecting their UK financial arrangements to function the same way as before. Unfortunately, this is not always true. The good news is that with some careful planning, many of these costly mistakes can be prevented. Below is a summary of some common errors to avoid.

1. Waiting Until After the Move to Review Your Finances

One of the biggest mistakes is assuming that financial planning can wait until you're settled.

Some of the most valuable planning opportunities only exist before you become tax resident in your new country. Once your tax residency changes, different rules may apply to your pensions, investments and capital gains.

Planning early gives you more flexibility and more options.

2. Assuming UK Investments Remain Tax Efficient

Many UK investors hold ISAs, General Investment Accounts and other investments that work extremely well while living in the UK.

However, their tax treatment may be very different once you become resident overseas. Some countries do not recognise the UK tax advantages of these investments, meaning income or gains could become taxable locally.

Before moving, it is worth reviewing your portfolio to determine whether any changes should be made while you are still UK tax resident.

3. Ignoring Tax Residency Rules

The date you become tax resident can have significant financial consequences.

The UK's tax year runs from 6 April to 5 April, while many European countries use the calendar year. Although the widely recognised 183-day rule is important, tax residence can also depend on other factors, including where your permanent home, family and economic interests are located.

Understanding when your tax residence changes can help avoid unexpected tax liabilities and make legitimate planning opportunities easier to identify.

4. Forgetting About Your Pension

Your pension is often your largest financial asset, yet many people don't review it until they need to draw benefits.

Before moving abroad, obtain up-to-date information on every pension you hold. Older plans may contain restrictions or limited retirement options, while some providers have reduced the services they offer to overseas residents following Brexit.

Depending on your circumstances, transferring to a more modern arrangement after becoming non-UK resident may provide greater investment flexibility, wider currency options and improved administration.

5. Overlooking Banking and Currency Planning

Not every UK bank continues to offer services to customers living overseas.

You may need to review your banking arrangements before leaving the UK. Likewise, if you expect to receive income in one currency while spending in another, exchange rate movements can significantly affect your purchasing power over time.

A specialist international banking or currency solution may help simplify ongoing financial management.

After You Move

Mature couple reviewing their investment portfolio together at home after relocating abroad, planning their finances in a bright, modern living space.

Once you have established tax residence in your new country, new planning opportunities often become available.

Review Your Investment Structure

Many countries offer tax-efficient investment solutions specifically designed for local residents.

For example, France offers the Assurance Vie, while Spain and Portugal have their own compliant investment structures. Used appropriately, these arrangements can provide greater tax efficiency than holding investments designed primarily for UK residents.

The most suitable solution will always depend on your country of residence and your individual objectives.

Review Your Pension Strategy

Moving abroad is often an ideal opportunity to reassess your pension arrangements.

Modern international pension solutions may provide broader investment choice, multi-currency facilities and greater flexibility when taking retirement benefits. They may also simplify administration for those intending to remain overseas permanently.

Any pension transfer should always be considered carefully, taking account of costs, benefits and your long-term retirement objectives.

Don't Ignore Estate Planning

Moving country can affect more than your taxes.

Your Will, powers of attorney, beneficiary nominations, and succession plans may also need to be reviewed. Different countries have different inheritance and succession rules, and your existing arrangements may no longer achieve the outcome you intended.

Ensuring your financial and estate planning work together is an important part of protecting your family.

Build the Right Professional Team

Cross-border financial planning rarely falls within one area of expertise.

A financial adviser, tax adviser and legal professional who understand both your home country and your new country of residence can help ensure your plans remain coordinated as legislation changes over time.

Final Thoughts

Moving abroad changes far more than your address.

It changes the tax rules that apply to your investments, how your pension may be accessed, the efficiency of your financial arrangements, and, in some cases, how your estate will eventually be passed to your family.

The earlier you begin planning, the more options you are likely to have.

Rather than viewing financial planning as another item on your moving checklist, think of it as an investment in your future. A little preparation before and shortly after your move can help you avoid unnecessary tax, improve long-term flexibility and provide greater financial confidence in your new life abroad.

Phil Loughton

About Phil Loughton

AXIS Financial Consultants

He has worked in the financial services industry for 35 years and is an expert in expatriate retirement planning.

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