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12-Hour Layover in London
With a 12-hour layover at London's airport (LHR), plan on reserving at least 3 hours combined for immigration, security, and getting back with margin — leaving up to roughly 9.0 hours for something outside the airport. London is in United Kingdom.
Activities that fit a 12-hour layover in London
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London: City of London Walking Tour
★ 5.0(80 reviews)· 3 hrs
From €12
London Sightseeing Walking Tour with 30+ sights
★ 5.0(818 reviews)· 5 hrs
From €23
London Borough Market and London Bridge Food Tour
★ 5.0(704 reviews)· 3 hrs
From €102
The Original London Street Art Tour
★ 4.9(328 reviews)· 2 hrs
From €24
Private Tour: Black Taxi Tour of London
★ 4.9(1,226 reviews)· 2 hrs
From €264
London: Afternoon Tea Bus Tour with Prosecco & London Eye Option
★ 4.9(185 reviews)· 1h 30m
From €58
London Best of the City Fully Customized Guided Private Tour
★ 4.9(165 reviews)· 7 hrs
From €243
Changing of the Guard Guided Walking Tour in London
★ 4.9(1,875 reviews)· 2 hrs
From €24
Full Day London Tour: Tower of London & Westminster Abbey
★ 4.9(254 reviews)· 7 hrs
From €111
London's Palaces & Parliament Tour (See Over 20+ London Top Sights)
★ 4.9(1,733 reviews)· 3 hrs
From €26
Hot Tub Boat Tour in London - London's most unique tour
★ 4.9(397 reviews)· 2 hrs
From €54
London Classic Landmarks Bike Tour with Local Guide
★ 4.9(1,443 reviews)· 3h 30m
From €60
Ultimate Jack the Ripper : Guided Tour of London
★ 4.9(1,652 reviews)· 2 hrs
From €24
Secret Walking Tour of Central London
★ 4.8(395 reviews)· 1h 30m
From €24
Hidden London Walking Tour
★ 4.8(402 reviews)· 1h 30m
From €24
London: Landmarks Walking Tour
★ 4.8(270 reviews)· 2 hrs
From €19
London: Churchill War Rooms Ticket & Political London Audio Tour
★ 4.3(126 reviews)· 2 hrs
From €45
London In One Day Tour with River Cruise & London Eye Option
★ 4.3(1,834 reviews)· 9 hrs
From €161
London Sightseeing Tour: Guard Change with Tower of London Option
★ 4.3(2,711 reviews)· 9 hrs
From €82
Ghost Bus Tour of London
★ 4.2(1,068 reviews)· 1h 15m
From €33
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Other layover lengths in London
FAQs — 12-Hour Layover in London
Generally yes, if you clear immigration quickly — still reserve at least 3 hours combined for the airport process either side.