Free Museums
- British Museum — 8 million artefacts (Rosetta Stone, mummies)
- Natural History Museum — dinosaurs, blue whale, Hope diamond
- Science Museum — flight simulators, Apollo capsule
- V&A (Victoria & Albert) — design, fashion, sculpture
- National Gallery — Trafalgar Square, masterpieces
- National Portrait Gallery — celebrity faces of British history
- Tate Modern — Turbine Hall + 8 floors of modern art
- Tate Britain — British art only, Pimlico, Turner collection
- Imperial War Museum — WWI/WWII history, Holocaust exhibition
- Museum of London — city history
- National Maritime Museum — Greenwich, sea history
- Sir John Soane's Museum — eccentric architect's house
Free Parks & Views
- Hyde Park + Speakers' Corner + Diana Memorial Fountain
- Regent's Park + free zoo views
- Greenwich Park — climb to Royal Observatory for free panorama
- Primrose Hill — best free view of skyline
- Sky Garden (book free) — 35-floor 360° views
- One New Change rooftop — free, St Paul's Cathedral close-up
- Tate Modern Switch House terrace — Thames + St Paul's
- Hampstead Heath + Parliament Hill — vast free view
- Richmond Park — deer + outer London
Free Walks
- Southbank walk Westminster to Tower Bridge, 1 hour
- Regent's Canal towpath Camden to Little Venice, 1 hour
- Royal Parks loop Hyde Park-Green Park-St James's Park, 90 min
- Free walking tours from Sandeman's, Strawberry Tours (tip-based)
Free Markets
- Borough Market — free entry, free samples, eat by paying for one item
- Spitalfields Market — fashion + food
- Brick Lane Sunday Market — vintage + bric-à-brac
- Camden Market — free wandering
- Greenwich Market — weekend foodie
- Columbia Road Flower Market Sunday only
Free Events
- Changing of the Guard Buckingham Palace, free, 11am most days
- Speakers' Corner Hyde Park Sundays
- Lord Mayor's Show November
- Free Friday lates at British Museum, V&A, Science Museum
- Trooping the Colour June (rehearsals free to watch)
- Free organ recitals at major churches Wed lunchtimes
💷 Total cost £0: A full week in London is possible at £0 entertainment cost (Tube + food only) using just these 30 free options.