Moving abroad feels like a fresh start. New country, new routine, new life and for many people, the assumption is that UK tax matters get left behind along with the grey skies. So it can come as a real shock when a letter from HMRC turns up at your overseas address, or worse, when penalties start piling up on a debt you thought you’d outrun.
If you’re asking yourself “I don’t even live in the UK anymore, so why is HMRC chasing me?” you’re not alone, and the answer is more straightforward than you might think.
The Short Answer: Leaving the UK Doesn’t Cancel Your Tax Obligations
HMRC’s interest in you isn’t tied to your postcode it’s tied to your tax history, your residency status at the time the tax was owed, and whether you’ve properly closed off your affairs before leaving.
Common reasons people get chased by HMRC after moving abroad include:
- Unpaid tax from before you left the UK
- Self-assessment returns that were never filed
- Rental income from a UK property you still own
- A pension, investment, or business that still generates UK income
- Never having told HMRC you left in the first place
Even if your move was completely above board, a simple admin gap like not submitting a P85 form can be enough to trigger letters, notices, and eventually enforcement action.
How Can HMRC Even Find You Abroad?
This is usually the bit that surprises people most. Many assume that once they’re outside UK borders, they’re effectively invisible to HMRC. In reality, tax authorities around the world have become far more connected over the last decade.
International Information Sharing
Through agreements like the Common Reporting Standard (CRS), over 100 countries automatically exchange financial account information with each other. So if you’ve opened a bank account, savings account, or investment account in your new country of residence, there’s a good chance the relevant details are already being shared with HMRC behind the scenes.
Mutual Legal Assistance
HMRC can also request help directly from tax authorities in other countries under mutual legal assistance arrangements. This can include asking for bank records, asset details, and even your current address.
Schedule 36 Notices
HMRC has the power to issue what’s known as a Schedule 36 notice, requiring you (or third parties like banks) to hand over financial information and your location outside the UK doesn’t stop this from applying to you.
The takeaway? Moving abroad doesn’t put you off the radar. It just changes how HMRC goes about getting in touch.
“But I’ve Been Gone for Years Surely There’s a Time Limit?”
This is one of the most persistent myths around UK tax debt. People often assume that if HMRC hasn’t chased them within a year or two of leaving, the debt has quietly expired.
Unfortunately, that’s not how it works. Once HMRC opens an investigation or formally identifies a debt, there’s no neat expiry date that wipes it away. Debts can sit on record for a long time, and HMRC’s systems are designed to flag these cases again when new information comes through international data-sharing channels.
In other words: time alone doesn’t make a UK tax debt disappear.
What Actually Happens If HMRC Starts Chasing You Overseas?
If HMRC believes you owe money, the process usually follows a fairly predictable pattern:
- A nudge letter arrives first. This is often a softer, “we think you might need to update your records” type of communication.
- Formal notices follow if the nudge letter is ignored, sometimes including requests for financial information or travel history.
- UK-based assets become a target. If you still own property, have a UK bank account, or run a UK business, these can be used to recover the debt.
- Penalties and interest build up the longer the debt remains unpaid.
- In serious cases, legal action or bankruptcy proceedings can follow particularly where deliberate evasion is suspected.
The key point here is that ignoring the early stages almost always makes things worse. A nudge letter is far easier to deal with than a formal enforcement notice.
Could You Actually Go to Jail?
For most people reading this, the honest answer is no. Genuine mistakes, late filings, or simply not realising you owed something rarely lead to criminal proceedings — though they can still mean significant penalties and interest.
However, where HMRC believes there’s been deliberate, intentional evasion hiding income, falsifying records, or knowingly avoiding declared earnings the consequences can be far more severe, including substantial fines or, in extreme cases, prison sentences.
The line between “I made an honest mistake” and “this looks deliberate” often comes down to how you respond once HMRC makes contact. Cooperation and transparency go a long way.
Did You Tell HMRC You Were Leaving?
Here’s a question that trips up a surprising number of people: when you moved abroad, did you actually notify HMRC?
If you lived and worked in the UK and then left to live overseas for a full tax year or more, you’re generally expected to complete a P85 form. This form:
- Updates your residency status with HMRC
- Helps determine how much UK tax (if any) you should be paying going forward
- Can affect whether you’re due a tax refund for the year you left
Skipping this step doesn’t just create confusion it can leave HMRC’s records showing you as still UK tax resident, which means tax demands keep being generated as if you never left at all.
What Should You Do If HMRC Has Contacted You Abroad?
If you’ve received a letter, email, or notice from HMRC while living overseas, here’s a practical approach:
Don’t ignore it. This is the single biggest mistake people make. Letters that go unanswered tend to escalate into formal notices, and formal notices escalate into enforcement.
Read it carefully. Understand exactly what HMRC is asking for is it information, payment, or both?
Check your residency status. Your obligations can vary significantly depending on whether you’re classed as UK tax resident, non-resident, or have non-domiciled status.
Gather your records. Bank statements, P85 confirmation (if you submitted one), tax returns, and any correspondence history will all help.
Get professional advice. UK tax rules around residency, overseas income, and international enforcement are genuinely complex, and getting it wrong can be costly. A specialist who deals with HMRC investigations regularly will know how to respond appropriately and, where possible, reduce penalties.
Don’t Wait for Things to Escalate
If there’s one message to take away from all this, it’s that distance doesn’t equal protection. HMRC’s reach extends well beyond UK borders, and the longer an issue sits unresolved, the more expensive and stressful it tends to become.
Whether you’ve received a nudge letter, a Schedule 36 notice, or you’re simply unsure whether your move abroad was handled correctly from a tax perspective, getting clarity early is always the better option.
At Accfirm, we help individuals living abroad understand exactly where they stand with HMRC, sort out overdue filings, respond to investigations, and get their tax affairs back on track wherever in the world they’re calling home. If HMRC has been in touch, or you simply want peace of mind that your move abroad is fully sorted on the tax side, get in touch with our team for guidance tailored to your situation.