3 Days in the UK: A First-Timer Plan
Three days is the sweet spot for a first UK trip: enough time for London’s big three (Westminster, the Tower, the free museums) plus one proper train day out, without the multi-city scramble that a rushed 6 or 7 day plan can turn into. This itinerary keeps you based in London the whole time and adds a single day trip to Windsor Castle on day 3. Budget in pounds sterling, not euros, get your ETA sorted before you fly, and pack a waterproof no matter the month.
This plan sits right in the middle of our UK itinerary family. If two days is all you’ve got, the 2-day plan covers London alone. Got longer? The 4-day , 5-day , 6-day and 7-day versions keep this same London base and stack Edinburgh and beyond on top.
Book these before you go
- Tower of London and Crown Jewels tickets, on GetYourGuide : buy a timed slot online, the walk-up queue at the gate is a real time sink in summer.
- A West End show for one of your London evenings, listings on Viator : pick a night now, walk-up seats for a good show are not something to bank on.
- A Windsor Castle day trip from London, tours on GetYourGuide : a guided option takes the train logistics off your plate for day 3.
- A central London hotel, rates on Booking.com : book early, three nights in central London adds up fast in peak season.
Do you need an ETA for a UK trip?
Yes, almost certainly, unless you’re travelling on a British or Irish passport. Most visa-exempt visitors, including Americans, Canadians, Australians and (since April 2025) EU/EEA citizens, now need a UK Electronic Travel Authorisation before they board. Apply through the official app or gov.uk a few days ahead of departure, for roughly £20 (the fee has climbed twice already, so check the live figure at gov.uk before you pay).
Day 1: Westminster, Buckingham Palace and the Tower of London
Start at Westminster: Big Ben (the Elizabeth Tower), the Houses of Parliament and Westminster Abbey are all within a short walk of each other. From there, head to Buckingham Palace for the Changing of the Guard; the ceremony schedule shifts by season, so check current days before you build your morning around it.
Spend the afternoon at the Tower of London. Nearly a thousand years of history, the Crown Jewels and the Yeoman Warders (the Beefeaters) make this one of the few paid stops on this itinerary that genuinely earns its ticket price; buy online ahead of time rather than at the gate. Finish with dinner at a pub near the river, a steak and ale pie or fish and chips is the honest way to close day one.
Day 2: Free museums, the South Bank and a West End show
Give your morning to the British Museum, free to enter for the permanent collection (the Rosetta Stone, the Parthenon sculptures, Egyptian mummies), and to a genuinely great UK-specific fact: the National Gallery and Tate Modern are free too. Book a timed-entry slot online if you’re visiting between April and August, when the queues stretch.
In the afternoon, walk the South Bank from Tower Bridge past Borough Market to the London Eye, a scenic stretch of river with street performers and food stalls the whole way. In the evening, use the West End show you booked on day one: London’s theatre district is the real equivalent of Broadway, and it rewards booking ahead rather than chancing a walk-up ticket.
Day 3: A train day trip to Windsor Castle
Take the train out to Windsor: Paddington with a change at Slough gets you there in about 30 to 40 minutes, or a direct Waterloo service to Windsor & Eton Riverside runs closer to 55 minutes. Either way it’s an easy half-day trip, not an overnight, so you’re back in central London for dinner.
Windsor Castle is the largest and oldest continuously occupied castle in the world, and it’s still a genuine working royal residence, not a museum piece. Give it two to three hours: the State Apartments, St George’s Chapel and the changing of the guard here too, on a different schedule from Buckingham Palace’s. Head back into London by mid-afternoon and use the rest of the day to revisit anything you rushed on day 1 or 2, or just find a pub and rest your feet.
Is 3 days enough for the UK?
It’s enough for a solid, first-timer taste of London plus one real day trip, not the whole country. The United Kingdom is four nations, England, Scotland, Wales and Northern Ireland, and three days keeps you almost entirely in the capital and its immediate reach. Treat this as a strong first look: use visitbritain.com , the official planning site, plus one of the longer plans above, when Edinburgh or the wider countryside starts calling.
Should you drive between London and Windsor?
No, take the train. Driving into central London costs you the Congestion Charge (£18 on weekdays) plus the separate ULEZ charge (£12.50, every day) before you’ve even parked, and the UK drives on the left, a real adjustment if you’re used to the right. Check the current charge rates at tfl.gov.uk if you’re still weighing it up. Tap a contactless bank card or phone straight onto the Tube for getting around London itself, and check current fares and rail times to Windsor at nationalrail.co.uk before you travel.
What does 3 days in the UK cost?
Prices already include the UK’s 20% VAT, so the ticket or menu price is what you pay; there’s no tourist VAT refund in Great Britain since Brexit. London runs noticeably more expensive than Windsor or the rest of the country, especially for hotels and dinner.
| Day | Focus | Rough daily spend (GBP, excl. hotel) |
|---|---|---|
| Day 1 | Westminster, Buckingham Palace, Tower of London, pub dinner | £90-140 |
| Day 2 | Free museums, South Bank walk, West End show | £80-130 |
| Day 3 | Windsor Castle day trip (train + entry), evening in London | £70-110 |
A central London hotel adds roughly another £100 a night on top of those numbers, more in peak summer.
Keep your phone in a front or inner pocket on the Tube and around Oxford Street or Leicester Square. Violent crime is genuinely low here, but phone snatching in crowded tourist spots is the one real, current safety issue worth building a habit around before day one even starts.