The United Kingdom stands as one of the world's most captivating destinations, offering an extraordinary blend of ancient history, cutting-edge culture, and breathtaking landscapes. From the iconic streets of London to the rugged Highlands of Scotland, from the enchanting castles of Wales to the dramatic coastlines of Northern Ireland, the UK promises unforgettable experiences for every type of traveler.
In 2024, the UK government introduced the Electronic Travel Authorization (ETA) system, a significant change to how many international visitors enter the country. This comprehensive guide covers everything you need to know about the UK ETA in 2026, including who needs one, how to apply, costs, processing times, and essential travel tips for exploring England, Scotland, Wales, and Northern Ireland.
Whether you're planning to witness the Changing of the Guard at Buckingham Palace, explore the mysterious Stonehenge, experience the Edinburgh Festival, walk along Hadrian's Wall, or discover the Giant's Causeway, understanding the UK ETA requirements is your first step toward an incredible British adventure.
What is the UK ETA?
The UK Electronic Travel Authorization (ETA) is a digital entry requirement for visitors who do not need a visa to visit the United Kingdom. Launched as part of the UK's modernization of its border security system, the ETA applies to travelers from visa-exempt countries who wish to visit England, Scotland, Wales, and Northern Ireland.
The ETA is not a visa. Rather, it's a pre-travel screening authorization that allows UK Border Force to assess travelers before they depart for the United Kingdom. The system helps identify potential security risks while streamlining the entry process for legitimate visitors. Once approved, your ETA is digitally linked to your passport, eliminating the need for physical documentation.
The UK ETA was first introduced for Qatari nationals in November 2023, followed by Gulf Cooperation Council (GCC) countries in February 2024. The system expanded to include all other visa-exempt nationalities throughout 2024 and 2025, creating a comprehensive digital border management system similar to the US ESTA and EU ETIAS programs.
One crucial aspect of the UK ETA is that it covers the entire United Kingdom, which comprises four distinct nations: England, Scotland, Wales, and Northern Ireland. A single ETA authorization grants you access to all four nations, allowing you to explore the rich diversity of British culture, history, and landscapes without obtaining separate permissions for each region.
UK ETA at a Glance
Validity: 2 years or until passport expires (whichever comes first)
Maximum stay: Up to 6 months per visit
Cost: 10 British Pounds (approximately $13 USD)
Processing time: Usually within 3 working days (72 hours)
Purpose: Tourism, business, transit, study (up to 6 months), medical treatment
Multiple entries: Unlimited entries during validity period
Coverage: England, Scotland, Wales, and Northern Ireland
Application: Online via UK ETA app or official website
United Kingdom
Capital: London
Currency: British Pound (GBP)
Language: English
Timezone: UTC+0 (GMT) / UTC+1 (BST in summer)
Processing: Up to 3 working days
Quick Facts
- Best time: April-September (mild weather, longer days)
- Comprises 4 nations: England, Scotland, Wales, Northern Ireland
- Power: 230V, Type G plugs (3-pin British plug)
- Country code: +44
- Emergency number: 999 or 112
Who Needs a UK ETA?
Understanding whether you need a UK ETA depends on several factors, including your nationality, the purpose of your visit, and how long you plan to stay. The ETA requirement has been designed to cover most short-term visitors from visa-exempt countries, but there are important exceptions and special cases to consider.
The UK ETA is required for citizens of countries that previously enjoyed visa-free access to the United Kingdom. This includes nationals from the United States, Canada, Australia, New Zealand, Japan, South Korea, and many other countries with historically strong travel ties to the UK. If you previously could visit the UK with just your passport, you now need to obtain an ETA before traveling.
It's essential to understand that the ETA requirement applies regardless of your mode of transportation. Whether you're arriving by air, sea, or the Eurostar train through the Channel Tunnel, you'll need a valid ETA. The authorization must be obtained before you begin your journey, as carriers are required to verify your ETA status before allowing you to board.
- ETA required: Citizens of USA, Canada, Australia, New Zealand, Japan, South Korea, Singapore, UAE, Brazil, Mexico, Argentina, Chile, and other visa-exempt countries
- ETA NOT required: British and Irish citizens, those with valid UK visas, EU Settlement Scheme members, and holders of certain UK immigration permissions
- Visitor visa required: Citizens of China, India, Pakistan, Nigeria, South Africa, Philippines, and other countries requiring visas for UK entry
- Transit passengers: ETA required even for airside transit through UK airports (for most nationalities)
- Crown Dependencies: ETA covers entry to the Channel Islands (Jersey, Guernsey) and Isle of Man
Important: Republic of Ireland Travel
The UK ETA does NOT cover travel to the Republic of Ireland (a separate country and EU member state). If you're planning to visit both the UK and Ireland, check the entry requirements for each country separately. However, the Common Travel Area allows relatively easy movement between the UK and Ireland once you've entered either country legally.
Eligible Nationalities for UK ETA
The UK ETA is available to citizens of countries that have visa-free access to the United Kingdom. This comprehensive list includes nations from every continent, reflecting the UK's extensive network of visa-free travel agreements. Understanding which nationalities are eligible helps ensure you're applying for the correct authorization type.
The phased rollout of the UK ETA began with Gulf Cooperation Council (GCC) countries and has since expanded to include all visa-exempt nationalities. As of 2026, the system is fully operational for all eligible travelers, making it essential to verify your eligibility and obtain your ETA before booking travel to the United Kingdom.
UK ETA Eligible Nationalities by Region
| Region | Eligible Countries |
|---|---|
| North America | United States, Canada |
| South America | Argentina, Brazil, Chile, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, El Salvador, Uruguay, Venezuela |
| Europe (Non-EU/EEA) | Albania, Andorra, Bosnia-Herzegovina, Liechtenstein, Monaco, Montenegro, North Macedonia, San Marino, Serbia, Switzerland, Vatican City, Ukraine, Moldova, Georgia |
| Middle East | Bahrain, Israel, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates, Jordan |
| Asia-Pacific | Australia, Brunei, Hong Kong SAR, Japan, Macau SAR, Malaysia, New Zealand, Singapore, South Korea, Taiwan |
| Other | Botswana, Mauritius, Namibia, Seychelles, Trinidad and Tobago, and various British Overseas Territories citizens |
EU Citizens and the UK ETA
Following Brexit, EU and EEA citizens now require a UK ETA for short visits (unless they have settled or pre-settled status under the EU Settlement Scheme). This is a significant change from pre-Brexit rules when EU citizens could enter the UK freely with just their national ID card. EU citizens must now use a valid passport and obtain an ETA before traveling to the UK.
Requirements and Documents Needed
The UK ETA application process is designed to be straightforward, requiring minimal documentation compared to traditional visa applications. However, having all necessary information ready before you begin will help ensure a smooth application experience and faster processing.
Unlike visa applications that may require supporting documents, appointment attendance, or biometric collection, the UK ETA can be completed entirely online using just your passport information and basic personal details. This streamlined approach makes it convenient for travelers while maintaining robust security screening.
- Valid passport from an ETA-eligible country (must be valid for entire UK stay)
- Digital passport photo (can be taken via smartphone)
- Valid email address for receiving confirmation
- Debit or credit card for payment (10 GBP fee)
- Smartphone or computer with internet access
- Personal information: full name, date of birth, nationality
- Contact details: phone number and email
- UK address or contact (accommodation details)
- Employment information: current occupation and employer
- Travel history: previous visits to UK and other countries
- Biographic data: parents' names and nationalities
- Security questions: criminal history and immigration violations
The UK ETA application collects information similar to what you'd provide on a traditional landing card, but in advance of your travel. This pre-screening allows UK Border Force to conduct security checks before you depart, making your arrival at UK airports smoother and faster.
One unique aspect of the UK ETA application is the requirement for a digital photo. This photo must be taken specifically for the application and cannot be the same photo used in your passport. The UK ETA app includes a guided photo capture feature that helps ensure your photo meets all requirements, including proper lighting, background, and facial positioning.
Photo Requirements for UK ETA
Must be a recent photo taken specifically for the ETA application
Cannot be the same photo used in your passport
Full face visible with neutral expression
Plain light background (white or off-white)
No glasses, hats, or head coverings (religious exemptions apply)
Good lighting with no shadows on face
Photo can be taken using the UK ETA smartphone app
JPG format if uploading manually
How to Apply for UK ETA
Applying for a UK ETA is a straightforward process that can be completed in approximately 10-15 minutes. The UK government offers two official methods for application: the UK ETA smartphone app (available for iOS and Android) and the online web portal. Both methods lead to the same result, but the app offers the convenience of using your phone's camera for the required photo.
We recommend applying for your UK ETA at least one week before your planned travel date, though many applications are approved within 24 hours. This buffer time accounts for occasional delays due to additional security checks or high application volumes during peak travel seasons.
- Verify your eligibility - Confirm your nationality qualifies for ETA (not a full visitor visa). Use DoVisa's visa checker to determine your exact requirements.
- Download the UK ETA app or access the website - The official app is available on Apple App Store and Google Play Store. Alternatively, use the GOV.UK website.
- Create an account - Register with your email address to begin your application. You'll receive a verification code to confirm your email.
- Take your photo - Use the app's guided photo capture feature or upload a compliant photo. Follow the on-screen instructions carefully for best results.
- Scan your passport - Use your phone's camera to scan the photo page of your passport. The app uses NFC technology to read the passport chip for verification.
- Enter personal information - Provide your full name (exactly as in passport), date of birth, nationality, and contact details.
- Provide travel details - Enter information about your planned UK visit, including purpose and accommodation.
- Answer security questions - Honestly respond to questions about criminal history, immigration violations, and travel history.
- Review your application - Carefully check all information for accuracy before submitting. Errors may cause delays or denials.
- Pay the fee - Complete the 10 GBP payment using a valid debit or credit card. Payment confirmation will be sent to your email.
- Submit and wait for approval - Most applications are processed within 3 working days. You'll receive email notification of your decision.
- Save your confirmation - Once approved, your ETA is digitally linked to your passport. Keep the confirmation email for your records.
Applying for Family Members
You can apply for multiple family members using a single email address, but each person needs their own individual ETA application. The app allows you to manage multiple applications from one account. Children, including infants, each require their own ETA linked to their own passport. There's no family discount - each application costs 10 GBP.
Costs and Processing Time
The UK ETA is competitively priced compared to similar travel authorization systems worldwide. Understanding the costs and expected processing times helps you plan your UK trip effectively and budget accordingly.
Unlike traditional visa applications that can take weeks and cost significantly more, the UK ETA offers a fast and affordable way for eligible travelers to gain authorization for their UK visit. The fee is non-refundable, so ensure you're eligible before applying.
UK ETA Costs & Processing Details
| Aspect | Details |
|---|---|
| Government Application Fee | 10 GBP (~$13 USD) |
| DoVisa Service (optional) | $24.99 USD (includes expert review & support) |
| Standard Processing Time | Up to 3 working days (72 hours) |
| Express Processing | Not available - all applications follow standard timeline |
| Validity Period | 2 years or until passport expires |
| Entries Allowed | Multiple entries (unlimited during validity) |
| Maximum Stay per Visit | Up to 6 months |
| Fee Refund if Denied | No - fee is non-refundable |
| Payment Methods | Visa, Mastercard, American Express, Apple Pay, Google Pay |
Processing times can vary based on several factors. While most applications receive a decision within 72 hours, some cases may require additional review. Factors that might extend processing time include incomplete applications, security flag triggers, or high application volumes during peak travel seasons. We strongly recommend applying at least one week in advance to allow for any unexpected delays.
If your application requires additional review, you may be contacted for more information. In rare cases, you might need to attend an appointment at a visa application center. However, for the vast majority of applicants, the process remains entirely online with quick turnaround times.
UK ETA vs. Standard Visitor Visa
Understanding the difference between a UK ETA and a Standard Visitor Visa is crucial for planning your trip correctly. These are two distinct authorization types with different eligibility requirements, application processes, and validity periods.
The key distinction is nationality-based: if you're from an ETA-eligible country, you apply for an ETA. If your nationality requires a visa for UK entry, you must apply for a Standard Visitor Visa instead. Using the wrong authorization type will result in travel disruption.
UK ETA vs. Standard Visitor Visa Comparison
| Feature | UK ETA | Standard Visitor Visa |
|---|---|---|
| Cost | 10 GBP | 115 GBP (short stay) / 1,035 GBP (long stay) |
| Processing Time | Up to 3 working days | 3-8 weeks typical |
| Validity | 2 years | 6 months to 10 years |
| Maximum Stay | Up to 6 months per visit | Up to 6 months per visit |
| Application Method | Online only (app or website) | Online with biometric appointment |
| Documents Required | Passport, photo, basic information | Extensive: bank statements, employment proof, travel history, accommodation, itinerary |
| Interview | No | Sometimes required |
| Biometrics | No (passport chip reading only) | Yes - fingerprints and photo at visa center |
| Eligible Nationalities | Visa-exempt countries only | Visa-required countries |
Cannot Convert ETA to Visa or Vice Versa
Your eligibility is determined by your passport nationality, not your choice. If your country requires a visa, you cannot apply for an ETA instead. Similarly, ETA-eligible nationals cannot opt for a Standard Visitor Visa to get a longer validity - you must use the ETA system. Always verify your requirements before applying.
Traveling Within the United Kingdom
One of the great advantages of the UK ETA is that it provides access to all four nations that comprise the United Kingdom: England, Scotland, Wales, and Northern Ireland. Each nation offers distinct cultures, landscapes, and experiences, all accessible with a single ETA authorization.
The United Kingdom is a constitutional monarchy made up of these four nations, each with its own unique character. While the UK Parliament in Westminster governs overall, Scotland, Wales, and Northern Ireland have their own devolved governments with varying degrees of autonomous power. For travelers, this means experiencing four distinct destinations within one trip.
Travel between the four UK nations is seamless with no border controls or additional documentation required. Your UK ETA covers movement throughout England, Scotland, Wales, and Northern Ireland, allowing you to experience the diversity of British culture without administrative barriers.
England is home to iconic London, with its world-class museums, historic landmarks, and vibrant neighborhoods. Beyond the capital, explore the university cities of Oxford and Cambridge, the Roman baths of Bath, the white cliffs of Dover, the Lake District's stunning scenery, and the historic city of York. England offers everything from bustling urban centers to peaceful countryside villages.
Scotland captivates visitors with its dramatic landscapes, from the rugged Highlands to the mysterious lochs. Edinburgh, the capital, hosts the world-famous Fringe Festival and offers stunning architecture. Glasgow pulses with cultural energy, while the Scottish Highlands provide wilderness adventures. Don't miss whisky distillery tours, castle explorations, and the search for the Loch Ness Monster.
Wales enchants with its ancient castles (more per square mile than anywhere else), stunning national parks, and the unique Welsh language. Cardiff, the capital, offers excellent shopping and nightlife, while Snowdonia National Park challenges hikers with its peaks. The Pembrokeshire coastline features some of Britain's most beautiful beaches.
Northern Ireland has undergone a remarkable transformation and now welcomes visitors with its stunning landscapes, including the iconic Giant's Causeway and the Causeway Coastal Route. Belfast tells a complex history through its murals and Titanic Quarter, while the countryside offers tranquil beauty and world-class golf courses.
UK and Ireland Travel Planning
Many travelers combine UK and Republic of Ireland visits. Remember: the UK ETA does NOT cover the Republic of Ireland (which is a separate EU country). Check Ireland's entry requirements separately. However, the Common Travel Area agreement means no passport control exists between Northern Ireland and the Republic of Ireland, allowing easy cross-border travel once you're in the region.
Common Mistakes to Avoid
While the UK ETA application is straightforward, certain mistakes can lead to delays, denials, or travel disruption. Being aware of these common pitfalls helps ensure your application succeeds and your journey proceeds smoothly.
Many application errors stem from rushing through the process or not having documents ready. Taking 10-15 minutes to carefully complete your application with accurate information is far better than dealing with complications later.
Critical Application Errors to Avoid
These mistakes are among the most common causes of UK ETA delays and denials. Read carefully and ensure you avoid each one when completing your application.
- Name discrepancies: Enter your name EXACTLY as it appears in your passport, including middle names, hyphens, and accents. Even minor differences can cause problems at UK Border.
- Passport number errors: Triple-check your passport number. Confusing O and 0 (zero) or I and 1 is extremely common and will invalidate your ETA.
- Wrong passport used: If you hold dual citizenship, apply with the passport you'll actually use to travel. Your ETA is linked to that specific passport.
- Expired passport: Your passport must be valid for your entire UK stay. While there's no 6-month validity rule, ensure it won't expire during your visit.
- Poor quality photo: Use the app's guided photo feature. Blurry, poorly lit, or non-compliant photos cause delays. Don't use your passport photo.
- Applying too late: While most ETAs are approved quickly, apply at least 3-7 days before travel. Some applications need additional review.
- Incorrect nationality: Apply based on your passport nationality, not your country of residence. These may differ for dual citizens or permanent residents.
- Dishonest answers: Providing false information about criminal history or immigration violations is a serious offense. Always answer truthfully - many past issues don't automatically disqualify you.
- Forgetting to apply: Airlines will deny boarding without valid ETA. Set a reminder to apply before booking flights.
- Not checking email: Approval (or requests for more information) comes by email. Check spam folders and ensure your email address is correct.
- Assuming Ireland is included: The UK ETA does not cover the Republic of Ireland. Check separate requirements if visiting both countries.
- Not reapplying after new passport: If you get a new passport, you need a new ETA - even if your old ETA was still valid.
UK ETA Myths vs. Facts
Misinformation about the UK ETA system has spread widely online, leading to confusion among travelers. Understanding the facts helps you prepare properly and avoid unnecessary stress during your trip planning.
The UK ETA guarantees entry to the United Kingdom
An approved UK ETA only permits you to travel to the UK and present yourself at the border. The final entry decision rests with UK Border Force officers at your arrival point. Officers may deny entry even with a valid ETA if you cannot demonstrate genuine travel purpose, sufficient funds, confirmed accommodation, or intent to leave before your authorized stay expires. The ETA is a pre-screening tool, not an entry guarantee.
UK ETA and EU ETIAS are the same system
The UK ETA and EU ETIAS are completely separate systems with no connection. Since Brexit, the UK operates independently from the European Union. Having a UK ETA does NOT allow travel to Schengen Area countries, and having EU ETIAS (when implemented) will NOT cover UK travel. If visiting both the UK and EU countries, you need separate authorizations for each.
I don't need a UK ETA if I'm just transiting through a UK airport
Most nationalities DO require a UK ETA for transit, even if remaining airside (not passing through UK Border). Only a limited list of nationalities qualifies for transit without visa/ETA. Even if your sole purpose is catching a connecting flight at Heathrow, Gatwick, or other UK airports, verify whether you need an ETA for transit. Being denied boarding for a connection flight causes significant travel disruption.
Essential UK Travel Tips
Beyond obtaining your UK ETA, preparing for your British adventure involves understanding local customs, practical considerations, and insider knowledge that will enhance your experience. The UK offers incredible diversity, from cosmopolitan cities to remote highlands, and these tips will help you make the most of your visit.
- Best time to visit: April-September offers milder weather and longer days. May-June brings beautiful gardens and comfortable temperatures. July-August is peak season with higher prices. September-October offers autumn colors. December features festive markets but shorter days.
- Currency matters: The British Pound (GBP) is the only accepted currency. Scotland has its own banknotes that are valid throughout the UK but sometimes unfamiliar to English vendors. Credit/debit cards accepted almost everywhere; contactless payment ubiquitous.
- Weather preparation: Pack layers and always carry a light waterproof jacket. British weather is famously unpredictable - four seasons in one day is genuinely possible. Check regional forecasts as Scotland can be quite different from London.
- Driving differences: Vehicles drive on the LEFT side of the road. If renting a car, ensure you're comfortable with right-hand drive vehicles and UK road rules. Roundabouts are common - give way to traffic already on the roundabout.
- Healthcare for visitors: The NHS provides emergency treatment but isn't free for visitors. Travel insurance is essential. Pharmacies (chemists) can help with minor ailments. Emergency number: 999 or 112.
- Tipping culture: Service charge is often included at restaurants - check your bill. If not, 10-15% is standard. Pubs: not expected at the bar, but rounding up is appreciated. Taxis: round up to nearest pound or add 10%.
- Public transport: The UK has excellent public transport. Trains connect major cities; the Tube serves London. Get an Oyster card or use contactless payment in London. BritRail passes offer value for extensive rail travel.
- Queue etiquette: The British queue for everything. Cutting in line is considered extremely rude. Wait your turn and others will do the same for you.
- Pub culture: Pubs are social institutions, not just bars. Many serve excellent food. Last orders are called before closing time. You typically order at the bar and pay immediately.
- Museum bonus: Many of the UK's best museums are free, including the British Museum, National Gallery, Tate Modern, and Science Museum in London, plus excellent museums in Edinburgh, Cardiff, and Belfast.
London Insider Tips
London is expensive but offers many free experiences. Walk along the South Bank from Westminster to Tower Bridge for spectacular views. Borough Market offers delicious (and free) samples. Hyde Park, Regent's Park, and Hampstead Heath provide green escapes. Many West End shows offer day-of discounted tickets at the TKTS booth in Leicester Square. The view from the Sky Garden is free (but book ahead). Consider the London Pass for multiple attractions.
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Frequently Asked Questions
How long does UK ETA processing take?
Can I work in the UK with an ETA?
What happens if my UK ETA application is denied?
Do I need to print my UK ETA?
What if I get a new passport after my UK ETA is approved?
Can I extend my stay beyond 6 months?
Is the UK ETA valid for Scotland, Wales, and Northern Ireland?
Do children need their own UK ETA?
Can I transit through the UK with an ETA?
How is the UK ETA different from the US ESTA?
What should I do if I made an error on my application?
Can I apply for UK ETA from any country?
Does having criminal history automatically disqualify me?
Is my personal information secure when applying through DoVisa?
How many times can I visit the UK with an ETA?
What's the difference between UK ETA and UK eVisa?
Ready to Explore the United Kingdom?
The United Kingdom offers a remarkable journey through history, culture, and natural beauty. From the royal pageantry of London to the wild beauty of the Scottish Highlands, from Welsh castles to Northern Irish coastlines, your British adventure awaits. The UK ETA makes visiting this extraordinary destination straightforward for millions of eligible travelers.
With just 10 GBP and a few minutes of your time, you can obtain authorization to explore the UK for the next 2 years. Whether you're planning to watch a West End show, hike through the Lake District, trace your ancestry in Ireland, explore Harry Potter filming locations, or simply enjoy a traditional afternoon tea, your UK ETA is the first step toward unforgettable British experiences.
Apply with DoVisa today and let us help ensure your application is complete, accurate, and processed smoothly. Our expert team is available 24/7 to answer your questions and support your travel plans. The UK awaits!
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Comments(14)
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Finally got my UK ETA approved through DoVisa! The whole process took less than 20 minutes and I had my confirmation within a day. Planning my first trip to London and Edinburgh in March - so excited!
Really helpful guide! I had no idea I needed an ETA just to transit through Heathrow. Applied yesterday and got approved this morning. DoVisa made it super easy.
Question: My UK ETA says it's valid for 2 years but my passport expires in 18 months. Will my ETA still work for the full 2 years?
US citizen here. Just used my ETA for a 2-week trip covering London, Scottish Highlands, and Wales. Everything went smoothly at Heathrow. The border officer just scanned my passport and I was through in minutes.
I made a typo in my passport number and didn't notice until I got the denial email. Had to apply again with the correct information and pay another 10 pounds. Lesson learned: triple check everything!
Does the UK ETA cover the Republic of Ireland as well? Planning to visit both countries next month.
The tip about the London Pass is spot on! Saved so much money on attractions. Also highly recommend the free walking tours in Edinburgh - learned so much about Scottish history.
Japanese passport holder here. Applied for my family of 4 through DoVisa and all our ETAs came through within 48 hours. The family management feature made it so convenient to track everyone's applications.
Had a minor traffic violation from 10 years ago. Was worried it might affect my application but answered honestly and got approved within 24 hours. Honesty is definitely the best policy!
Is there any way to expedite the processing? I need to travel urgently for a business meeting next week.
Great article! One thing worth mentioning - the photo requirement caught me off guard. You can't just use your passport photo. The app walks you through taking a new one which was actually pretty easy.
Planning a Harry Potter tour of the UK! Already got my ETA approved. Going to visit the Warner Bros Studio, Platform 9 3/4 at King's Cross, the Glenfinnan Viaduct in Scotland, and Edinburgh which inspired so much of the books. Can't wait!
I'm flying through London Heathrow but not leaving the airport - just connecting to another flight. Do I still need an ETA for this airside transit?
Just returned from 3 weeks in the UK and it was amazing! Used my ETA without any issues. Pro tip: book afternoon tea at least a week in advance for popular spots like The Ritz or Sketch. Worth every penny for the experience!