London

The London Underground (11 lines, 272 stations) remains the backbone of city movement. The simplest ticketing approach for adults: tap a contactless bank card or phone at entry and exit — daily and weekly spending caps apply automatically. No Oyster card purchase needed.

The Elizabeth line, opened 2022, transformed east-west travel — Reading/Heathrow to Shenfield/Abbey Wood across the city at speed. The Overground (orange line) covers outer neighbourhoods not served by the Tube. Both accept contactless and Oyster.

London's red double-decker buses are cash-free; tap contactless or Oyster on the yellow reader at the door. Daily bus caps prevent overspending. Buses are slower than the Tube but excellent for seeing the city and reaching areas between Tube stations.

Black cabs (licensed, metered) carry up to 5 passengers and can be hailed anywhere. Uber and Bolt also operate widely. Minicabs must be booked in advance — avoid unlicensed touts at stations.

Santander Cycles (blue hire bikes) are available across central London with a day-hire fee. The growing network of protected cycle lanes makes cycling the fastest option for many central journeys.

London is more walkable than its size suggests. The South Bank, Covent Garden to Soho, and the City to Shoreditch corridors are all entirely practicable on foot and reward the walk.

For most adult visitors: use your contactless bank card or phone. It delivers identical fares to Oyster with automatic daily and weekly caps, no deposit and no card to return. Oyster is most useful for children (Zip Oyster photocard, required for under-16 discounts) and visitors from countries without contactless cards.

Three to four days covers the Tower of London, British Museum, National Gallery, Borough Market, the South Bank and a couple of neighbourhoods well. Five to seven days allows Kew Gardens, Greenwich, the V&A, the Tate Modern collection, Camden Market and proper neighbourhood exploration.

Exceptionally so. The free museums alone — Natural History, Science, British — provide three full days of world-class family visits at no cost. The South Bank (Tate Modern, Shakespeare's Globe, skate park), Greenwich (Cutty Sark, the Meridian, Royal Observatory) and Hyde Park are all excellent family half-days.

Top-price seats are around £70–120, but the TKTS booth at Leicester Square and many theatre direct-sale day-seat schemes make West End theatre available for £20–40 with same-day or advance planning. Hamilton, Les Misérables, and The Lion King typically have premium prices; other long-runners offer better value.

Yes, particularly for families with children aged 8 and above or genuine Harry Potter fans. Allow around 3–4 hours. Adult tickets are approximately £53, children approximately £43. Book well ahead — the tour sells out weeks in advance during school holidays.

South Kensington (free museums, Hyde Park), Southwark (South Bank, Borough Market, fast Tube links), and King's Cross/St Pancras (Eurostar, fast Elizabeth line, price advantage) all work well. Being within a short walk of a Tube station matters more than which neighbourhood specifically.

Heathrow (LHR), 24 km west, is the UK's main international hub — served by virtually every major carrier with direct connections to 200+ destinations. The Elizabeth line (Crossrail) connects Heathrow to central London in around 40 minutes; the Heathrow Express is 15 minutes to Paddington at a premium fare. Gatwick (LGW), 45 km south, handles transatlantic and European routes; the Gatwick Express runs to Victoria in 30 minutes. Stansted (STN) and Luton (LTN) serve low-cost European carriers; London City (LCY) in the Docklands is the fastest from the east and serves European business routes with the Elizabeth line connection.

London is the centre of the UK rail network. Avanti West Coast from Manchester takes around 2 hours to Euston; LNER from Edinburgh is approximately 4 hours 30 minutes. From Europe, Eurostar from Paris St-Pancras arrives in 2h15; Brussels in under 2 hours; Amsterdam in approximately 3h30.