The physical side of leaving Britain is the part people plan for. The shipping, the flights, the visa. The part that causes problems eighteen months later is the administrative tail: an unfiled P85, a National Insurance record with gaps in it, an NHS registration you thought still counted, and a UK bank account closed too early.
This is the UK-side checklist. It covers what to tell HM Revenue and Customs (HMRC) and when, what happens to your State Pension, when NHS entitlement actually ends, and the handful of things worth keeping open after you go. It does not cover the destination country’s requirements, which vary far too much to generalise about.
Summary: Tell HMRC using form P85, unless you already file Self Assessment, in which case report the move on your return. Check whether split-year treatment applies. Decide whether voluntary National Insurance contributions are worth paying to protect your State Pension. Keep a UK bank account open, because HMRC will only send a refund cheque to a UK address. See GOV.UK on tax if you leave the UK to live abroad.
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Tax: the P85 and what it does not do
Form P85, titled Get your Income Tax right if you’re leaving the UK, tells HMRC you are going. It updates your record, sorts your PAYE position and processes any refund of overpaid tax. It does not by itself make you non-resident. The Low Incomes Tax Reform Group guide to the P85 works through the form question by question.
That distinction matters more than anything else in this article. Residence is a factual question decided by the Statutory Residence Test, based largely on how many days you spend in the UK and what ties you retain here. Telling HMRC you have left does not change the facts, and people who assume the form settles the question are the ones who get caught.
Submit the P85 online through your HMRC account or by post, sending parts 2 and 3 of your P45 from your final UK employer. If you already complete a Self Assessment return for the year you leave, you report the departure on that return instead and do not need a P85. GOV.UK also notes that if you will be working full time for a UK-based employer for at least a full tax year, you may need both the P85 and a return with the SA109 residence pages.
Leaving part way through a tax year frequently produces a refund, because your tax-free Personal Allowance was being spread across a full year of PAYE and you have only worked part of it. Split-year treatment can then tax you only on income up to your departure date, but it is not automatic: you have to meet one of several strict statutory cases, such as working abroad full time, and you claim it on form SA109 with your return.
Some UK income stays taxable here after you become non-resident. Rental income from a UK property is the common one, and if you let out the home you are leaving you will need to register under the Non-Resident Landlord Scheme so rent is paid to you without tax deducted at source. UK-source employment income and certain pensions also remain in scope. There is no UK exit tax, but non-residents must still report and pay Capital Gains Tax on the disposal of UK residential property, and the reporting deadline is short.
Visits home count, and there is a limit worth knowing. GOV.UK says that if you work full time abroad you can usually visit the UK for up to 90 days in a tax year, provided you work on no more than 30 of them. Start a day-count record from the moment you leave, and keep it. Almost every dispute in this area comes down to counting.
State Pension and National Insurance
You can claim your UK State Pension abroad with at least 10 qualifying years of National Insurance, and 35 years for the full amount. The full new State Pension is £241.30 a week in the 2026/27 tax year, following a 4.8 percent triple lock rise from £230.25. Whether it rises each year afterwards depends entirely on which country you move to, and it is the Pension Service that decides, as the Low Incomes Tax Reform Group guidance on leaving the UK sets out.
The freezing rule is the single most consequential thing on this page for anyone retiring abroad. Move to the European Economic Area (EEA), Switzerland, the United States or another country with a reciprocal social security agreement and your pension rises annually with the triple lock. Move to Australia, Canada, New Zealand or South Africa and it is frozen at the rate applying when you first claim, permanently.
Over a twenty-year retirement that difference compounds into a very large sum, and it is decided by geography rather than by anything you contributed. Check the position for your destination before you go, not after.
Once you leave, you stop building National Insurance automatically. You can pay voluntary contributions to fill gaps and protect your entitlement, and for most people with an incomplete record this is worthwhile.
Voluntary contributions are charged at a flat weekly rate that is set each tax year, and the cost of protecting a single qualifying year runs to several hundred pounds. Check the current rate and what applies to your circumstances on the GOV.UK voluntary National Insurance rates page before committing to anything.
Get a State Pension forecast before you leave so you know how many qualifying years you actually have. That number decides whether voluntary contributions are worth paying at all, and it takes minutes to obtain.
Private and workplace pensions are a separate question. You can normally access them from 55, rising to 57 in 2028, wherever you live. Transferring to an overseas scheme can trigger a substantial tax charge depending on the destination, so take advice rather than acting on a cold approach from an adviser. MoneyHelper’s guidance on pensions when moving abroad is a sensible starting point, and it is free and impartial.
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Healthcare and the end of NHS entitlement
NHS entitlement is based on being ordinarily resident in the UK, not on nationality or on having paid National Insurance. Once you move abroad permanently it ends, though emergency treatment during visits remains available.
This surprises people, particularly those who have paid into the system for decades. Contributions do not buy ongoing entitlement, and returning to the UK for planned treatment while living abroad is not something you can rely on.
Tell your GP practice you are leaving and deregister. Doing so is straightforward and avoids the awkward position of appearing on a patient list while living overseas.
If you are moving to the EEA or Switzerland and receive a UK State Pension or certain benefits, an S1 form may entitle you to state healthcare in your new country funded by the UK. Applications for these are handled online. Outside those arrangements, private health insurance is generally necessary, and it should be arranged to start before your NHS cover effectively ends rather than after.
Before you go, request copies of your medical records, arrange repeat prescriptions to cover the transition, and check that any regular medication is legal and available at your destination. Some drugs that are routine in the UK are controlled elsewhere, and carrying them without documentation causes genuine problems at borders.
Banking, benefits and the things to keep open
Keep at least one UK bank account open. This is not merely convenient: GOV.UK states that HMRC will only send a refund cheque within the UK, either to your address or to a nominee at theirs, and that most cheques can only be paid into a UK bank account held in your name or your nominee’s. Close everything before your refund arrives and you have created a problem. Detail on the GOV.UK page on leaving the UK to live abroad.
Six months is the usual minimum people suggest, and longer is better. Refunds from HMRC, final utility credits, pension payments and Premium Bond prizes all need somewhere to land, and opening a UK account from abroad afterwards is considerably harder than keeping one you already have.
Tell your bank you are moving rather than simply changing the address. Some providers restrict or close accounts held by non-residents, and finding that out when a payment bounces is worse than knowing in advance. Keep the account genuinely active, since dormant accounts get frozen.
- Council. Tell your local authority your move-out date so council tax billing stops correctly, and check whether any refund is due. GOV.UK lists this among the people you need to notify.
- Benefits. Report the move to the Department for Work and Pensions (DWP). Most means-tested benefits stop on permanent departure, and continuing to receive them creates an overpayment you will be asked to repay.
- Student loans. Tell the Student Loans Company. Overseas borrowers have their own repayment thresholds and a duty to provide income evidence. Ignoring this leads to fixed penalty repayment amounts far above what you would otherwise pay.
- Vehicle. Tell the Driver and Vehicle Licensing Agency (DVLA) if you are permanently exporting a vehicle, and cancel or transfer insurance and tax.
- ISAs. You can keep existing Individual Savings Accounts (ISAs) and they stay tax-free in the UK, but you cannot usually pay in once you stop being a UK resident. Your new country may not recognise the tax treatment at all.
- Mail. Royal Mail redirects to overseas addresses. Our guide to Royal Mail redirection covers the durations and costs.
- Wills and power of attorney. A UK will may not operate as intended over foreign assets. Review both.
Update your HMRC contact details before you lose access to a UK mobile number, because losing the authentication route into your own tax account is a slow problem to unpick from overseas.
One further point on evidence. Build a small file before you go containing your final payslips, P45, P60, tenancy or completion paperwork showing you gave up your UK home, flight tickets, and your new address and employment documents. If HMRC ever queries your residence position, that file is the answer, and assembling it years later from abroad is considerably harder than putting it together the week you leave.
A timeline that works backwards from departure
We ordered the UK-side tasks by how long each takes and when it has to happen, because several of them cannot be done after you leave and a few cannot be done before.
| When | Task | Why then |
|---|---|---|
| 3 to 6 months before | State Pension forecast, tax advice, health insurance quotes | Decisions here shape everything else |
| 2 to 3 months before | Shipping quotes, visa paperwork, school and pet arrangements | Long lead times and hard deadlines |
| 1 month before | Tell bank, council, DWP, Student Loans Company, DVLA | Needs a confirmed departure date |
| 2 weeks before | Medical records, prescriptions, deregister from GP | Needs to be close to departure, not after |
| 1 week before | Royal Mail redirection, final meter readings, close local accounts | Redirection needs at least five working days |
| After leaving | Submit P85 with P45 parts 2 and 3 | The form is completed once you have gone |
| Following tax year | Self Assessment with SA109 if claiming split-year | Filed after the tax year ends |
Two findings are worth acting on. First, the tasks with the longest lead times are the ones people start last: pension forecasts, tax advice and health insurance all sit at the front of the list and are routinely left until the shipping is booked. Second, the P85 is genuinely a post-departure task, which is why so many people forget it entirely once they are settled somewhere new and busy.
Diary the P85 and the following year’s Self Assessment before you fly. They are the two items with real financial consequences and no prompt attached.
This is general information rather than tax, legal or financial advice, and the rules in this area change frequently. Figures quoted are the statutory rates for the 2026/27 tax year. Take advice from a qualified UK adviser before and shortly after leaving.
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When not to cut ties completely
If there is a realistic chance you will return within five years, keep the paperwork trail intact. Temporary non-residence rules can pull certain income and gains back into UK tax if you come back too soon, and unpicking a record you dismantled is harder than maintaining one.
Most guidance treats emigration as permanent. A substantial number of people return, and the ones who struggle are those who closed everything on the way out.
Keep the bank account, keep paying voluntary National Insurance if the forecast justifies it, keep your credit file alive with a small active account, and keep records as though you will need to evidence your residence position later. A UK credit history that has gone dormant for five years makes renting or borrowing on return unexpectedly difficult.
Equally, do not keep things purely out of sentiment. Retaining a UK property you do not need creates rental income reporting, a Capital Gains liability on eventual sale, and potentially a tie that affects your residence position. Those are real costs weighed against an emotional one.
For the shipping and logistics side of the move rather than the paperwork, our guide to international removals from the UK covers container sizes, timings and customs.
How EcoGreen Movers handles the UK leg
For an overseas move, the UK end still needs packing, inventory and delivery to a shipping agent or port, and that is a domestic job handled by a team you can actually speak to. EcoGreen Movers works to fixed quotes and reusable crates, and can coordinate with your freight forwarder rather than leaving you to bridge the two.
We cover residential moves nationwide, including London, Manchester and Edinburgh, plus storage where departure dates and shipping dates do not align. On the domestic leg the usual levels apply: Standard for loading and unloading, Standard Plus with furniture dismantled and rebuilt, and Premium with the packing done for you, which is worth considering when the same fortnight contains a visa appointment. Boxes are sold on their own, though check any grade your shipping agent specifies first, and our disposal and clearance service takes what is not going abroad. Get in touch for a quote.
Frequently asked questions
Do I have to tell HMRC I am leaving?
Yes. Submit form P85 after you leave, with parts 2 and 3 of your P45, unless you already file a Self Assessment return for the year of departure, in which case you report the move on that return instead. It also triggers any refund of overpaid tax.
Can I still get my State Pension abroad?
Yes, with at least 10 qualifying years of National Insurance, and 35 for the full amount, which is £241.30 a week in 2026/27. Whether it increases annually depends on the country. It rises in the EEA, Switzerland, the USA and countries with reciprocal agreements, and is frozen in Australia, Canada, New Zealand and South Africa.
Does NHS cover continue?
No. Entitlement is based on being ordinarily resident in the UK and ends on permanent departure, regardless of how much National Insurance you have paid. Emergency treatment during visits remains available, but planned treatment does not.
Should I keep paying National Insurance?
Often yes, if your record has gaps, since voluntary contributions protect State Pension entitlement cheaply relative to the eventual benefit. Rates are set each tax year and the cost of a single qualifying year runs to several hundred pounds, so check the current figure on GOV.UK. Get a State Pension forecast before deciding.
Should I close my UK bank account?
Not immediately. GOV.UK says HMRC will only send a refund cheque within the UK, and most cheques can only be paid into a UK account in your name or a nominee’s. Keep one open for six months or longer, and tell the bank you are moving rather than just changing your address.
In summary: the four that actually matter
Get a State Pension forecast and decide about voluntary National Insurance. Submit the P85 once you have gone. Sort healthcare cover to start before NHS entitlement ends. Keep a UK bank account open. Those four carry almost all of the financial consequence.
Everything else on the list is admin that can be corrected later. Residence, pension record and healthcare cannot be retrofitted easily, so front-load them and let the shipping arrangements follow.
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