UK ETA Multiple Entries 2026 – How the 6-Month Rule Works

Last updated: 19 October 2026

The UK ETA multiple entries 2026 question — how many times can I visit, and how long can I stay each time? — is the most frequently misunderstood part of the entire scheme. Furthermore, the rule is in fact simple: a single £20 ETA grants unlimited visits across two years, with each visit capped at six months. As a result, ETA holders have far more flexibility than the typical Schengen short-stay visa.

However, the six-month rule contains traps. Indeed, immigration officers retain discretion at the border, four-month back-to-back stays raise scrutiny, and “permanent base of life” tests can be applied to repeat visitors. Therefore, this 2026 guide explains how the six-month rule actually works, when it can be applied flexibly, when it cannot, and how to plan multi-trip itineraries that never trigger questions at Heathrow Border Force. Moreover, the guide below is based on the visitor guidance and Immigration Rules published on gov.uk.

The basic structure — what one ETA actually buys

A single UK Electronic Travel Authorisation costs £20, lasts two years from issue (or until the passport you applied with expires, if sooner), and supports unlimited visits. Specifically, each visit can last up to six months. Furthermore, the ETA does not impose a minimum gap between trips, but the cumulative pattern matters. As a result, a typical ETA holder might visit London for four days in June, return to the United States, fly back for two weeks in September, and again for ten days in March — three trips comfortably accommodated by the same £20 ETA. Indeed, the cost-per-day calculation across heavy users drops to less than £0.05 per night across a busy two-year stretch.

What “six months per visit” really means

The six-month cap is calendar based. Specifically, a stay starting on 1 June 2026 must end no later than 30 November 2026. Furthermore, the count includes both the day of arrival and the day of departure. As a result, a visitor planning a week’s stay does not need to worry about the limit. However, longer stays should leave a buffer of 3-5 days against the calendar to allow for weather-related flight delays. Indeed, overstaying even by a single day creates a future ETA refusal record that can persist for ten years.

How the “permanent base of life” test works

Border Force applies a permanent base of life test to repeat visitors who appear to spend more time in the UK than at home. Specifically, the Immigration Rules set no fixed limit such as ‘6 months in any 12 months’, but officers look at how many visits you have made in the past 12 months, how long each lasted and how recently you last visited. Furthermore, the officer can ask for evidence of overseas employment, property, family ties, and tax residency. Therefore, ETA holders planning four or five visits inside a single year should make sure their total time in the UK stays clearly shorter than their time at home. Moreover, carrying digital evidence of home country employment helps clarify questions on arrival.

Cumulative scenarios that work

Scenario	Total days/year	Risk level
Two trips × 14 days	28 days	Low
Four trips × 14 days	56 days	Low
Two trips × 6 weeks	84 days	Low
Two trips × 90 days	180 days	Border note
Three trips × 90 days	270 days	High scrutiny
One stay 6 months + 6 months	360 days	Likely refused entry

Allowed activities on an ETA

The ETA aligns with the standard visitor route. Specifically, allowed activities include tourism, family visits, short business meetings, conferences, academic research up to 30 days, and short recreational courses up to six months. Furthermore, a small set of permitted paid engagements (PPE) sits inside the six-month visit window — a maximum of one month of paid speaker engagements, a maximum of 30 days of paid academic examinations, and other narrow categories listed in Appendix V of the Immigration Rules. As a result, an ETA holder aged 18 or over can attend a London tech conference and deliver a paid keynote as a Permitted Paid Engagement — provided it was arranged before travel, is backed by a formal invitation, relates to their expertise and work abroad, and takes place within 30 days of arrival — and then remain on tourism for the rest of the visit.

What is NOT allowed on an ETA

The ETA explicitly forbids ordinary employment, self-employment for UK clients, public funds claims, marriage, and most types of long study. Specifically, working for a British employer — including remote work — is not permitted. However, remote work for a non-British employer during a visit is allowed in principle, provided the work is incidental to the visit purpose. Furthermore, Home Office guidance gives examples of signs that the UK has become your main home, such as registering with a GP or sending children to UK schools, and officers may also weigh factors such as a UK bank account or a long-term rental in their overall assessment. As a result, ETA holders eyeing a longer-term arrangement should apply for the appropriate visa from outside the UK before travelling, as visitors generally cannot switch routes from inside the UK.

Crossing the Common Travel Area

The Common Travel Area connects the United Kingdom, the Republic of Ireland, the Isle of Man, the Channel Islands, and the Crown Dependencies. However, Ireland does not have an ETA, and a UK ETA does not cover entry to Ireland: nationals who do not need an Irish visa (for example, US, Canadian or Australian citizens) can travel on to Dublin with their passport, however they reached the UK. Furthermore, if you need an Irish visa, a UK ETA does not replace it — Irish Immigration confirms that an ETA cannot be used for the Short Stay Visa Waiver Programme. Therefore, the order of your trip makes no difference: the ETA requirement applies to all routes into the UK, including arrivals from Ireland and across the land border into Northern Ireland.

What happens after two years

The ETA expires automatically two years from issue, or earlier if the passport you applied with expires first. Specifically, the holder applies for a new £20 ETA via the same gov.uk channel, and most applicants get a decision within one working day, but it can take up to three working days. Furthermore, the new ETA preserves the holder’s prior immigration history, and previously declared answers must remain consistent. As a result, regular visitors plan their renewal in the second half of month 23.

What documents to keep on your phone

Specifically, ETA holders should always carry: the ETA confirmation email, the 16-digit ETA reference number, the digital boarding pass, the booking confirmation for the first night’s accommodation, an outbound flight or onward travel proof, and a credit card with at least £500 of available funds. Furthermore, a screenshot of the home country employer letter and the home address utility bill saves time at the rare secondary inspection.

Costs over two years

Number of visits	ETA cost	Cost per visit
1 visit	£20	£20.00
3 visits	£20	£6.67
6 visits	£20	£3.33
10 visits	£20	£2.00
20 visits	£20	£1.00

Frequently asked questions

How long is a UK ETA valid for multiple entries?

A UK ETA is valid for two years, or until the passport you applied with expires if sooner. During that time you can make unlimited visits of up to six months each.

Can I leave the UK and come back the same day?

Yes. The ETA covers same-day return crossings such as a Eurostar trip to Paris and back. However, if you do this every other day, Border Force may consider you a de-facto resident — keep the pattern occasional.

Does an ETA cover Northern Ireland?

Yes. Northern Ireland is part of the United Kingdom and the ETA covers all UK constituent nations. There are no internal border checks between Northern Ireland and the rest of the UK.

Can I extend my stay beyond six months on an ETA?

No. To stay in the UK for longer than six months you need a different visa, such as a work or study visa. Visitors generally cannot switch to another route from inside the UK — you must leave and apply from abroad.

What if my passport expires inside my ETA validity?

The ETA invalidates automatically when your passport expires or is replaced. Apply for a new ETA on the new passport before flying — the cost is £20 and most applicants get a decision within one working day, but it can take up to three working days.

Are children’s ETAs counted separately?

Yes. Every traveller who needs an ETA must have their own, including babies and children — there is no exemption for children under five. Children who are British or Irish citizens do not need one.

Can I work remotely while visiting on an ETA?

Remote work for an overseas employer is permitted as long as it remains incidental to the main purpose of your visit. Working for a UK employer or providing services to UK clients is not allowed.

What if I’m refused entry on a valid ETA?

Border Force can refuse entry even on a valid ETA. The most common reasons are credibility concerns about the visit purpose and inconsistent answers. Therefore, prepare clear answers, accommodation proof, and onward travel evidence.

Final reminders for repeat ETA visitors

Confirm your UK ETA approval before flying — most applicants get a decision within one working day, but it can take up to three working days, whether you apply via the official UK ETA app or on gov.uk. Furthermore, save the ETA reference, the confirmation email, and your full digital travel pack on a phone with sufficient battery. Indeed, there is no fixed annual day limit, but officers look at your overall travel history, so keep your UK visits clearly shorter than your time at home. Moreover, the £20 ETA paid once unlocks a generous two-year window of UK access. Therefore, with these basics in place, the multi-entry rule becomes one of the most flexible visa-type instruments in the world for tourism, family visits, and short business engagements.

Useful related guides: free London attractions 2026, budget London accommodation, passport changes and your UK ETA, UK ETA application step by step, UK immigration rules for visitors, London Tube fares 2026, UK ETA family travel guide, UK ETA processing time, London weekend itinerary, and UK ETA refusal reasons and appeals.