Days in the UK after you leave: 15, 45, 90 or 120?
Just researching? Get the free move planner → · Specific situation? Talk to us →
Watch Alan explain it · 0:55
Read the video transcript
So you've left the UK. How many days can you actually go back? Everyone seems to think it's ninety. It usually isn't. First, the clean rule. Stay under sixteen days a year, and you're automatically non-resident. Sixteen. That's Christmas, one wedding, and a couple of work trips, and you're nearly there. Above that? It depends on how many UK ties you've kept. A partner in the UK. A home that's available to you. Real work while you're visiting. Four ties? You get fifteen days. Three ties? Forty five. Two ties? Ninety. One tie? A hundred and twenty. And a day counts if you're there at midnight. Transit is about the only escape. Go one day over your limit, and you can be UK tax resident for the whole year. Backdated. So no, ninety isn't the magic number. Yours depends on your ties. We've got a free calculator that works your personal limit out in about two minutes. Check it before you book the flights home, not after.
The Statutory Residence Test: the framework that governs everything
When you leave the UK, you do not simply stop being a UK taxpayer on day one. HMRC uses the Statutory Residence Test (SRT), introduced in Finance Act 2013, to determine your residence status for each tax year. The SRT works through a series of automatic tests, first automatic non-residence, then automatic residence, then a tie-breaker, and the day-count rules sit at the heart of it.
The tax year runs 6 April to 5 April. Your status is assessed year by year, not continuously.
Automatic non-residence: the 15-day threshold
The cleanest rule in the SRT is the automatic non-residence test. If you spend fewer than 16 days in the UK in a tax year, you are automatically non-UK-resident for that year, regardless of any other factor.
This is the threshold most people aiming for a clean exit should understand. It is not generous, roughly one trip home every three weeks across the year would breach it, but it is definitive.
In practice the days go faster than people expect. Christmas at your parents’, one summer wedding and a couple of client visits is already nudging twenty, and that is before anything goes wrong with a flight. Our free day allowance calculator works your personal limit out from your actual ties in about two minutes.
What happens above 15 days: ties determine your limit
Once you spend 16 or more days in the UK, your allowable total depends on how many UK ties you hold. The SRT identifies five ties; which ones are relevant to you depends partly on whether you were previously UK resident.
| UK ties held | Maximum UK days (for a formerly UK-resident leaver) |
|---|---|
| 4 or 5 ties | Up to 15 days |
| 3 ties | Up to 45 days |
| 2 ties | Up to 90 days |
| 1 tie | Up to 120 days |
| 0 ties | Up to 182 days |
The ties most commonly retained by UK leavers moving to Dubai are the accommodation tie (a UK property still available for your use, including a family home you can stay in), the family tie (a UK-resident spouse, civil partner, or minor child), and the 90-day tie (having spent more than 90 days in the UK in either of the two preceding tax years).
Retaining even two of these ties cuts your safe allowance to 90 days, roughly a week a month with nothing spare. Retain three and you are down to 45 days for the whole year.
Common mistakes that push people over
Underestimating the family tie. If your spouse or children remain in the UK while you move ahead, a common phased-move pattern, you almost certainly hold the family tie from day one.
Forgetting about the family home. Keeping a UK property and allowing yourself access to it, even if you are not renting it out, creates an accommodation tie. Letting it on a commercial basis and genuinely removing your right to use it is the standard way to break this tie.
Misreading the transit exemption. Passing through a UK airport does not automatically escape the day-count. The exemption is narrow: you arrive as a passenger, leave the next day, and do nothing in between beyond what the journey needs. Dinner with a client between flights loses it, and if a cancellation strands you overnight, the day counts.
Ignoring same-day trips. Recent leavers who keep three or more ties face a deeming rule: fly in and out on the same day often enough (more than 30 times in a year) and the extra visits start counting as UK days even though you never saw midnight here. Frequent day-trippers burn allowance without noticing.
Not counting from 6 April. People who leave mid-year sometimes count from their departure date rather than from 6 April. The SRT assesses the full tax year. Days spent in the UK before you left still count in some parts of the test.
The day-count is a floor, not a ceiling on scrutiny
Staying within your day-count limit is necessary but not sufficient. HMRC also looks at the quality of your UK presence, where you work when you are back, whether you are maintaining a UK lifestyle, whether your centre of life has genuinely shifted. The day-count is the bright-line rule; the broader SRT picture is what makes an enquiry survivable.
Want your own number? The free day allowance calculator works out how many UK days your ties actually buy you, and shows which lever would raise it.
Already left the UK and not sure you did it cleanly? The Clean Break Review gives you a clear read on your UK tax position, reviewed by a UK-registered tax adviser.
Questions people ask
How many days can I spend in the UK after moving to Dubai?
It depends on the ties you keep. Fewer than 16 days in the tax year keeps a recent leaver automatically non-resident whatever their ties. Beyond that, the Statutory Residence Test sets your personal limit on a sliding scale up to 182 days, and leavers who keep a UK home, family or work connections are often limited to as few as 15 to 45 days. Exceed your limit and you can be UK tax resident for the whole year.
How does the UK count days for tax residence purposes?
A day counts if you are present in the UK at midnight. There is a narrow exception for genuine transit: you arrive as a passenger, leave the next day, and do nothing in between unrelated to your journey. A meeting squeezed in between flights loses it. Count every midnight presence, and do not lean on the transit exception without checking your circumstances.
What are UK ties and why do they matter?
UK ties are personal connections that the Statutory Residence Test uses to tighten your day-count limit. They include having a UK-resident spouse or partner, a UK property available to you, substantive UK employment, spending more days in the UK than any other country, and (in certain cases) having spent 90 or more days in the UK in either of the two previous tax years. The more ties you retain, the fewer days you can spend in the UK before you become resident again.
Is there a safe number of days that always works?
Not quite. Fewer than 16 days in the UK in a tax year triggers the automatic non-residence test regardless of ties, that is the closest thing to a universal safe harbour. Above that, the ladder for a recent leaver runs: 15 days with four or more ties, 45 days with three, 90 with two, 120 with one, and 182 with none. Your personal tie count is what determines the actual limit.
Does the split-year treatment affect my day count?
Split-year treatment applies in the tax year you leave or arrive, splitting it into a UK-resident part and a non-resident part. During the non-resident part of a split year, days spent in the UK still count towards the following full year's SRT assessment, they do not simply disappear. It is worth understanding which split-year case applies to you, as the rules differ.
What happens if I exceed my day-count limit?
If you breach the relevant day-count threshold for your tie profile, HMRC can treat you as UK tax resident for the entire tax year, not just the period you overstayed. That means worldwide income and gains potentially back in scope for UK tax. It is not a minor administrative issue, the consequences can be significant and retrospective.