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Key Facts
- Airport: Heathrow Airport (LHR)
- Country: UK
- Layover window: 24 hours
- Recommended time outside: 18–20 hours — treat it as a mini trip
- Visa & Entry: UK is not Schengen. US, EU, AUS, Canadian — visa-free up to 6 months. ETA (Electronic Travel Authorisation) required for US/EU visitors from 2025 — apply via UK government site.
Insider Tip
The Elizabeth Line (Crossrail) is much cheaper than Heathrow Express and only 20 minutes slower. It goes direct to Bond Street and Liverpool Street for a true London experience.
Getting to London City Centre
| Mode | Cost | Time |
|---|---|---|
| Heathrow Express (to Paddington) | £28 | 15 min |
| Elizabeth Line TfL (to Paddington) | £12 | 35–40 min |
Top London: Where to Go
Hyde Park & Kensington Gardens
50 min from city centreFree royal park adjacent to Paddington. The Serpentine Gallery contemporary art shows are free.
Borough Market
60 min from city centreLondon's finest food market under London Bridge arches. Open Thu–Sat. Sample before you buy.
Tate Modern
60 min from city centreFree world-class contemporary art museum on the South Bank. The Turbine Hall is unmissable.
Eat Like a Local in London
A proper pie and mash at M. Manze on Tower Bridge Road — London's oldest surviving pie and mash shop (1902), £5.
24-Hour Itinerary
Day 1 — Morning
Check into hotel near city centre
Book a hotel within 15 min of the main sights. Luggage storage available at most hotels even before check-in.
Day 1 — Midday
London signature experience
Use your first afternoon for the city's #1 must-see. Tiredness catches up later.
Day 1 — Evening
Local dinner and evening market or rooftop bar
Evening markets, floating markets, and night bazaars are peak atmosphere. Do this on day 1.
Day 2 — Morning
Second neighbourhood exploration
Mornings offer better light for photos, cooler weather, and fewer tourists at popular sites.
Day 2 — Late Morning
Airport transfer — allow 3 hrs before flight
Build in buffer for morning traffic. International check-in closes 45–60 min before departure.
Frequently Asked Questions
Do I need a visa for a 24-hour layover in London?
Visa requirements vary by nationality. Many countries offer free transit visas or visa-on-arrival for layovers under 96 hours. Check your specific passport requirements before travel and confirm with your airline.
Is 24 hours enough to leave Heathrow Airport?
Yes — 24 hours is enough to explore the nearest neighbourhoods of London comfortably, provided you have transit visa clearance. Allow 2–3 hours total for airport transit (both ways).
What is the best way to get from Heathrow to London city centre?
Heathrow Express (to Paddington) is typically the fastest and most affordable option at £28, taking approximately 15 min. Rideshare apps are a convenient alternative.
Is there luggage storage at Heathrow?
Yes, Heathrow Airport has left-luggage facilities in the arrivals and departures hall. Typical cost is $5–15 per bag for up to 24 hours. Alternatively, many airport hotels offer left-luggage for non-guests.
Connect with other travellers at LHR
Flights from London
Compare 400+ airlines departing Heathrow Airport
Hotels near London Airport
With 24 hours, a day-use hotel room is worth it — shower, sleep, and recharge before your next flight.
Other layover guides for London
Planning a longer stay in London?
Read our full destination guide — hotels, attractions, visa tips, and more.
London Destination Guide →