Which museums are actually free?
Free permanent collections cover the British Museum, National Gallery, National Portrait Gallery, Tate Modern, Tate Britain, the Victoria and Albert Museum, the Natural History Museum, the Science Museum, the Imperial War Museum, the Museum of London Docklands, the National Maritime Museum in Greenwich, the Wallace Collection and Sir John Soane's Museum. That is a genuinely long list, and it covers the objects most visitors actually come to see: the Rosetta Stone, the Sutton Hoo hoard, Van Gogh's Sunflowers, the dinosaur skeletons. None of it needs a ticket bought in advance to get in the door. What changes year to year is the temporary exhibition programme sitting alongside these free galleries.
What still costs money
Big temporary exhibitions are paid at every one of these institutions, typically £18 to £26 depending on the show and whether you book online or on the day. The British Museum's blockbuster shows, Tate Modern's major retrospectives and the V&A's headline exhibitions all sit in this range in 2026, and prices tend to rise for late bookings. Special exhibition tickets often include a timed slot for the exhibition itself, separate from general admission, which stays free. If a museum's website only shows one type of ticket for a show you want to see, that show is paid — the free galleries are simply not mentioned because they don't need a ticket.
Do you need to book a free slot?
At the busiest venues — the British Museum, Natural History Museum and V&A — booking a free timed entry slot online is strongly worth doing in 2026, especially for weekends, school holidays and anytime between 11am and 3pm. It costs nothing and takes two minutes, and it means skipping a queue that can otherwise run 30-45 minutes at the British Museum's Great Court entrance in peak season. Outside those windows, walk-up entry still works at most sites: turn up before 10am or after 4pm and you generally walk straight in without a booking. Smaller free museums like Sir John Soane's or the Wallace Collection rarely need booking at all.
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Suggested donations and quiet alternatives
None of these museums require payment, but most ask for a suggested donation, commonly around £5, at boxes near the entrance — it funds the free access model and is genuinely optional. A counter-intuitive tip: in August, when the British Museum's entrance queue is longest, Sir John Soane's Museum and the Wallace Collection are just as free, just as good, and near-empty, because most visitors have never heard of them. For the Natural History Museum, skip the main Cromwell Road queue entirely by using the quieter Exhibition Road entrance instead, which usually has little to no line even at midday.
Best times to visit for a calmer trip
The V&A and some Tate galleries run late openings on Fridays until around 9-10pm, which are noticeably quieter than daytime visits and free just the same. Weekday mornings, especially Tuesday to Thursday before 10:30am, are consistently the calmest slot across all the big national museums. Away from museums proper, other genuinely free London experiences worth combining with a museum day include the Changing the Guard ceremony, the Royal Courts of Justice's public areas, and Sky Garden, which is free but requires booking a slot online well in advance because capacity is limited and it fills up fast.